errno-h: document Haiku errors can’t be -1
[gnulib.git] / tests / test-sprintf-posix.h
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1 /* Test of POSIX compatible vsprintf() and sprintf() functions.
2 Copyright (C) 2007-2025 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
17 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
19 #include "minus-zero.h"
20 #include "infinity.h"
21 #include "nan.h"
22 #include "snan.h"
24 /* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */
25 static int
26 have_minus_zero ()
28 static double plus_zero = 0.0;
29 double minus_zero = minus_zerod;
30 return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0;
33 /* Representation of an 80-bit 'long double' as an initializer for a sequence
34 of 'unsigned int' words. */
35 #ifdef WORDS_BIGENDIAN
36 # define LDBL80_WORDS(exponent,manthi,mantlo) \
37 { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \
38 ((unsigned int) (manthi) << 16) | ((unsigned int) (mantlo) >> 16), \
39 (unsigned int) (mantlo) << 16 \
41 #else
42 # define LDBL80_WORDS(exponent,manthi,mantlo) \
43 { mantlo, manthi, exponent }
44 #endif
46 static int
47 strmatch (const char *pattern, const char *string)
49 if (strlen (pattern) != strlen (string))
50 return 0;
51 for (; *pattern != '\0'; pattern++, string++)
52 if (*pattern != '*' && *string != *pattern)
53 return 0;
54 return 1;
57 /* Test whether string[start_index..end_index-1] is a valid textual
58 representation of NaN. */
59 static int
60 strisnan (const char *string, size_t start_index, size_t end_index, int uppercase)
62 if (start_index < end_index)
64 if (string[start_index] == '-')
65 start_index++;
66 if (start_index + 3 <= end_index
67 && memcmp (string + start_index, uppercase ? "NAN" : "nan", 3) == 0)
69 start_index += 3;
70 if (start_index == end_index
71 || (string[start_index] == '(' && string[end_index - 1] == ')'))
72 return 1;
75 return 0;
78 static void
79 test_function (int (*my_sprintf) (char *, const char *, ...))
81 char result[5000];
82 char buf[8];
84 /* Test return value convention. */
87 int retval;
89 memcpy (buf, "DEADBEEF", 8);
90 retval = my_sprintf (buf, "%d", 12345);
91 ASSERT (retval == 5);
92 ASSERT (memcmp (buf, "12345\0EF", 8) == 0);
95 /* Test support of size specifiers as in C99. */
98 int retval =
99 my_sprintf (result, "%ju %d", (uintmax_t) 12345671, 33, 44, 55);
100 ASSERT (strcmp (result, "12345671 33") == 0);
101 ASSERT (retval == strlen (result));
105 int retval =
106 my_sprintf (result, "%zu %d", (size_t) 12345672, 33, 44, 55);
107 ASSERT (strcmp (result, "12345672 33") == 0);
108 ASSERT (retval == strlen (result));
112 int retval =
113 my_sprintf (result, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55);
114 ASSERT (strcmp (result, "12345673 33") == 0);
115 ASSERT (retval == strlen (result));
119 int retval =
120 my_sprintf (result, "%Lg %d", (long double) 1.5, 33, 44, 55);
121 ASSERT (strcmp (result, "1.5 33") == 0);
122 ASSERT (retval == strlen (result));
125 /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
126 output of floating-point numbers. */
128 { /* A positive number. */
129 int retval =
130 my_sprintf (result, "%a %d", 3.1416015625, 33, 44, 55);
131 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
132 || strcmp (result, "0x3.244p+0 33") == 0
133 || strcmp (result, "0x6.488p-1 33") == 0
134 || strcmp (result, "0xc.91p-2 33") == 0);
135 ASSERT (retval == strlen (result));
138 { /* A negative number. */
139 int retval =
140 my_sprintf (result, "%A %d", -3.1416015625, 33, 44, 55);
141 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
142 || strcmp (result, "-0X3.244P+0 33") == 0
143 || strcmp (result, "-0X6.488P-1 33") == 0
144 || strcmp (result, "-0XC.91P-2 33") == 0);
145 ASSERT (retval == strlen (result));
148 { /* Positive zero. */
149 int retval =
150 my_sprintf (result, "%a %d", 0.0, 33, 44, 55);
151 ASSERT (strcmp (result, "0x0p+0 33") == 0);
152 ASSERT (retval == strlen (result));
155 { /* Negative zero. */
156 int retval =
157 my_sprintf (result, "%a %d", minus_zerod, 33, 44, 55);
158 if (have_minus_zero ())
159 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
160 ASSERT (retval == strlen (result));
163 { /* Positive infinity. */
164 int retval =
165 my_sprintf (result, "%a %d", Infinityd (), 33, 44, 55);
166 ASSERT (strcmp (result, "inf 33") == 0);
167 ASSERT (retval == strlen (result));
170 { /* Negative infinity. */
171 int retval =
172 my_sprintf (result, "%a %d", - Infinityd (), 33, 44, 55);
173 ASSERT (strcmp (result, "-inf 33") == 0);
174 ASSERT (retval == strlen (result));
177 { /* NaN. */
178 int retval =
179 my_sprintf (result, "%a %d", NaNd (), 33, 44, 55);
180 ASSERT (strlen (result) >= 3 + 3
181 && strisnan (result, 0, strlen (result) - 3, 0)
182 && strcmp (result + strlen (result) - 3, " 33") == 0);
183 ASSERT (retval == strlen (result));
185 #if HAVE_SNAND
186 { /* Signalling NaN. */
187 int retval =
188 my_sprintf (result, "%a %d", SNaNd (), 33, 44, 55);
189 ASSERT (strlen (result) >= 3 + 3
190 && strisnan (result, 0, strlen (result) - 3, 0)
191 && strcmp (result + strlen (result) - 3, " 33") == 0);
192 ASSERT (retval == strlen (result));
194 #endif
196 { /* Rounding near the decimal point. */
197 int retval =
198 my_sprintf (result, "%.0a %d", 1.5, 33, 44, 55);
199 ASSERT (strcmp (result, "0x2p+0 33") == 0
200 || strcmp (result, "0x3p-1 33") == 0
201 || strcmp (result, "0x6p-2 33") == 0
202 || strcmp (result, "0xcp-3 33") == 0);
203 ASSERT (retval == strlen (result));
206 { /* Rounding with precision 0. */
207 int retval =
208 my_sprintf (result, "%.0a %d", 1.51, 33, 44, 55);
209 ASSERT (strcmp (result, "0x2p+0 33") == 0
210 || strcmp (result, "0x3p-1 33") == 0
211 || strcmp (result, "0x6p-2 33") == 0
212 || strcmp (result, "0xcp-3 33") == 0);
213 ASSERT (retval == strlen (result));
216 { /* Rounding with precision 1. */
217 int retval =
218 my_sprintf (result, "%.1a %d", 1.51, 33, 44, 55);
219 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
220 || strcmp (result, "0x3.0p-1 33") == 0
221 || strcmp (result, "0x6.1p-2 33") == 0
222 || strcmp (result, "0xc.1p-3 33") == 0);
223 ASSERT (retval == strlen (result));
226 { /* Rounding with precision 2. */
227 int retval =
228 my_sprintf (result, "%.2a %d", 1.51, 33, 44, 55);
229 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
230 || strcmp (result, "0x3.05p-1 33") == 0
231 || strcmp (result, "0x6.0ap-2 33") == 0
232 || strcmp (result, "0xc.14p-3 33") == 0);
233 ASSERT (retval == strlen (result));
236 { /* Rounding with precision 3. */
237 int retval =
238 my_sprintf (result, "%.3a %d", 1.51, 33, 44, 55);
239 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
240 || strcmp (result, "0x3.052p-1 33") == 0
241 || strcmp (result, "0x6.0a4p-2 33") == 0
242 || strcmp (result, "0xc.148p-3 33") == 0);
243 ASSERT (retval == strlen (result));
246 { /* Rounding can turn a ...FFF into a ...000. */
247 int retval =
248 my_sprintf (result, "%.3a %d", 1.49999, 33, 44, 55);
249 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
250 || strcmp (result, "0x3.000p-1 33") == 0
251 || strcmp (result, "0x6.000p-2 33") == 0
252 || strcmp (result, "0xc.000p-3 33") == 0);
253 ASSERT (retval == strlen (result));
256 { /* Rounding can turn a ...FFF into a ...000.
257 This shows a Mac OS X 10.3.9 (Darwin 7.9) bug. */
258 int retval =
259 my_sprintf (result, "%.1a %d", 1.999, 33, 44, 55);
260 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
261 || strcmp (result, "0x2.0p+0 33") == 0
262 || strcmp (result, "0x4.0p-1 33") == 0
263 || strcmp (result, "0x8.0p-2 33") == 0);
264 ASSERT (retval == strlen (result));
267 { /* Width. */
268 int retval =
269 my_sprintf (result, "%10a %d", 1.75, 33, 44, 55);
270 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
271 || strcmp (result, " 0x3.8p-1 33") == 0
272 || strcmp (result, " 0x7p-2 33") == 0
273 || strcmp (result, " 0xep-3 33") == 0);
274 ASSERT (retval == strlen (result));
277 { /* Width given as argument. */
278 int retval =
279 my_sprintf (result, "%*a %d", 10, 1.75, 33, 44, 55);
280 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
281 || strcmp (result, " 0x3.8p-1 33") == 0
282 || strcmp (result, " 0x7p-2 33") == 0
283 || strcmp (result, " 0xep-3 33") == 0);
284 ASSERT (retval == strlen (result));
287 { /* Negative width given as argument (cf. FLAG_LEFT below). */
288 int retval =
289 my_sprintf (result, "%*a %d", -10, 1.75, 33, 44, 55);
290 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
291 || strcmp (result, "0x3.8p-1 33") == 0
292 || strcmp (result, "0x7p-2 33") == 0
293 || strcmp (result, "0xep-3 33") == 0);
294 ASSERT (retval == strlen (result));
297 { /* Small precision. */
298 int retval =
299 my_sprintf (result, "%.10a %d", 1.75, 33, 44, 55);
300 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
301 || strcmp (result, "0x3.8000000000p-1 33") == 0
302 || strcmp (result, "0x7.0000000000p-2 33") == 0
303 || strcmp (result, "0xe.0000000000p-3 33") == 0);
304 ASSERT (retval == strlen (result));
307 { /* Large precision. */
308 int retval =
309 my_sprintf (result, "%.50a %d", 1.75, 33, 44, 55);
310 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
311 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
312 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
313 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
314 ASSERT (retval == strlen (result));
317 { /* FLAG_LEFT. */
318 int retval =
319 my_sprintf (result, "%-10a %d", 1.75, 33, 44, 55);
320 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
321 || strcmp (result, "0x3.8p-1 33") == 0
322 || strcmp (result, "0x7p-2 33") == 0
323 || strcmp (result, "0xep-3 33") == 0);
324 ASSERT (retval == strlen (result));
327 { /* FLAG_SHOWSIGN. */
328 int retval =
329 my_sprintf (result, "%+a %d", 1.75, 33, 44, 55);
330 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
331 || strcmp (result, "+0x3.8p-1 33") == 0
332 || strcmp (result, "+0x7p-2 33") == 0
333 || strcmp (result, "+0xep-3 33") == 0);
334 ASSERT (retval == strlen (result));
337 { /* FLAG_SPACE. */
338 int retval =
339 my_sprintf (result, "% a %d", 1.75, 33, 44, 55);
340 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
341 || strcmp (result, " 0x3.8p-1 33") == 0
342 || strcmp (result, " 0x7p-2 33") == 0
343 || strcmp (result, " 0xep-3 33") == 0);
344 ASSERT (retval == strlen (result));
347 { /* FLAG_ALT. */
348 int retval =
349 my_sprintf (result, "%#a %d", 1.75, 33, 44, 55);
350 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
351 || strcmp (result, "0x3.8p-1 33") == 0
352 || strcmp (result, "0x7.p-2 33") == 0
353 || strcmp (result, "0xe.p-3 33") == 0);
354 ASSERT (retval == strlen (result));
357 { /* FLAG_ALT. */
358 int retval =
359 my_sprintf (result, "%#a %d", 1.0, 33, 44, 55);
360 ASSERT (strcmp (result, "0x1.p+0 33") == 0
361 || strcmp (result, "0x2.p-1 33") == 0
362 || strcmp (result, "0x4.p-2 33") == 0
363 || strcmp (result, "0x8.p-3 33") == 0);
364 ASSERT (retval == strlen (result));
367 { /* FLAG_ZERO with finite number. */
368 int retval =
369 my_sprintf (result, "%010a %d", 1.75, 33, 44, 55);
370 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
371 || strcmp (result, "0x003.8p-1 33") == 0
372 || strcmp (result, "0x00007p-2 33") == 0
373 || strcmp (result, "0x0000ep-3 33") == 0);
374 ASSERT (retval == strlen (result));
377 { /* FLAG_ZERO with infinite number. */
378 int retval =
379 my_sprintf (result, "%010a %d", Infinityd (), 33, 44, 55);
380 /* "0000000inf 33" is not a valid result; see
381 <https://lists.gnu.org/r/bug-gnulib/2007-04/msg00107.html> */
382 ASSERT (strcmp (result, " inf 33") == 0);
383 ASSERT (retval == strlen (result));
386 { /* FLAG_ZERO with NaN. */
387 int retval =
388 my_sprintf (result, "%050a %d", NaNd (), 33, 44, 55);
389 /* "0000000nan 33" is not a valid result; see
390 <https://lists.gnu.org/r/bug-gnulib/2007-04/msg00107.html> */
391 ASSERT (strlen (result) == 50 + 3
392 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
393 && strcmp (result + strlen (result) - 3, " 33") == 0);
394 ASSERT (retval == strlen (result));
397 { /* A positive number. */
398 int retval =
399 my_sprintf (result, "%La %d", 3.1416015625L, 33, 44, 55);
400 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
401 || strcmp (result, "0x3.244p+0 33") == 0
402 || strcmp (result, "0x6.488p-1 33") == 0
403 || strcmp (result, "0xc.91p-2 33") == 0);
404 ASSERT (retval == strlen (result));
407 { /* A negative number. */
408 int retval =
409 my_sprintf (result, "%LA %d", -3.1416015625L, 33, 44, 55);
410 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
411 || strcmp (result, "-0X3.244P+0 33") == 0
412 || strcmp (result, "-0X6.488P-1 33") == 0
413 || strcmp (result, "-0XC.91P-2 33") == 0);
414 ASSERT (retval == strlen (result));
417 { /* Positive zero. */
418 int retval =
419 my_sprintf (result, "%La %d", 0.0L, 33, 44, 55);
420 ASSERT (strcmp (result, "0x0p+0 33") == 0);
421 ASSERT (retval == strlen (result));
424 { /* Negative zero. */
425 int retval =
426 my_sprintf (result, "%La %d", minus_zerol, 33, 44, 55);
427 if (have_minus_zero ())
428 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
429 ASSERT (retval == strlen (result));
432 { /* Positive infinity. */
433 int retval =
434 my_sprintf (result, "%La %d", Infinityl (), 33, 44, 55);
435 /* Note: This assertion fails under valgrind.
436 Reported at <https://bugs.kde.org/show_bug.cgi?id=424044>. */
437 ASSERT (strcmp (result, "inf 33") == 0);
438 ASSERT (retval == strlen (result));
441 { /* Negative infinity. */
442 int retval =
443 my_sprintf (result, "%La %d", - Infinityl (), 33, 44, 55);
444 ASSERT (strcmp (result, "-inf 33") == 0);
445 ASSERT (retval == strlen (result));
448 { /* NaN. */
449 int retval =
450 my_sprintf (result, "%La %d", NaNl (), 33, 44, 55);
451 ASSERT (strlen (result) >= 3 + 3
452 && strisnan (result, 0, strlen (result) - 3, 0)
453 && strcmp (result + strlen (result) - 3, " 33") == 0);
454 ASSERT (retval == strlen (result));
456 #if HAVE_SNANL
457 { /* Signalling NaN. */
458 int retval =
459 my_sprintf (result, "%La %d", SNaNl (), 33, 44, 55);
460 ASSERT (strlen (result) >= 3 + 3
461 && strisnan (result, 0, strlen (result) - 3, 0)
462 && strcmp (result + strlen (result) - 3, " 33") == 0);
463 ASSERT (retval == strlen (result));
465 #endif
466 #if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
467 { /* Quiet NaN. */
468 static union { unsigned int word[4]; long double value; } x =
469 { .word = LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
470 int retval =
471 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
472 ASSERT (strlen (result) >= 3 + 3
473 && strisnan (result, 0, strlen (result) - 3, 0)
474 && strcmp (result + strlen (result) - 3, " 33") == 0);
475 ASSERT (retval == strlen (result));
478 /* Signalling NaN. */
479 static union { unsigned int word[4]; long double value; } x =
480 { .word = LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
481 int retval =
482 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
483 ASSERT (strlen (result) >= 3 + 3
484 && strisnan (result, 0, strlen (result) - 3, 0)
485 && strcmp (result + strlen (result) - 3, " 33") == 0);
486 ASSERT (retval == strlen (result));
488 /* sprintf should print something for noncanonical values. */
489 { /* Pseudo-NaN. */
490 static union { unsigned int word[4]; long double value; } x =
491 { .word = LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
492 int retval =
493 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
494 ASSERT (retval == strlen (result));
495 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
497 { /* Pseudo-Infinity. */
498 static union { unsigned int word[4]; long double value; } x =
499 { .word = LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
500 int retval =
501 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
502 ASSERT (retval == strlen (result));
503 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
505 { /* Pseudo-Zero. */
506 static union { unsigned int word[4]; long double value; } x =
507 { .word = LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
508 int retval =
509 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
510 ASSERT (retval == strlen (result));
511 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
513 { /* Unnormalized number. */
514 static union { unsigned int word[4]; long double value; } x =
515 { .word = LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
516 int retval =
517 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
518 ASSERT (retval == strlen (result));
519 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
521 { /* Pseudo-Denormal. */
522 static union { unsigned int word[4]; long double value; } x =
523 { .word = LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
524 int retval =
525 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
526 ASSERT (retval == strlen (result));
527 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
529 #endif
531 { /* Rounding near the decimal point. */
532 int retval =
533 my_sprintf (result, "%.0La %d", 1.5L, 33, 44, 55);
534 ASSERT (strcmp (result, "0x2p+0 33") == 0
535 || strcmp (result, "0x3p-1 33") == 0
536 || strcmp (result, "0x6p-2 33") == 0
537 || strcmp (result, "0xcp-3 33") == 0);
538 ASSERT (retval == strlen (result));
541 { /* Rounding with precision 0. */
542 int retval =
543 my_sprintf (result, "%.0La %d", 1.51L, 33, 44, 55);
544 ASSERT (strcmp (result, "0x2p+0 33") == 0
545 || strcmp (result, "0x3p-1 33") == 0
546 || strcmp (result, "0x6p-2 33") == 0
547 || strcmp (result, "0xcp-3 33") == 0);
548 ASSERT (retval == strlen (result));
551 { /* Rounding with precision 1. */
552 int retval =
553 my_sprintf (result, "%.1La %d", 1.51L, 33, 44, 55);
554 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
555 || strcmp (result, "0x3.0p-1 33") == 0
556 || strcmp (result, "0x6.1p-2 33") == 0
557 || strcmp (result, "0xc.1p-3 33") == 0);
558 ASSERT (retval == strlen (result));
561 { /* Rounding with precision 2. */
562 int retval =
563 my_sprintf (result, "%.2La %d", 1.51L, 33, 44, 55);
564 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
565 || strcmp (result, "0x3.05p-1 33") == 0
566 || strcmp (result, "0x6.0ap-2 33") == 0
567 || strcmp (result, "0xc.14p-3 33") == 0);
568 ASSERT (retval == strlen (result));
571 { /* Rounding with precision 3. */
572 int retval =
573 my_sprintf (result, "%.3La %d", 1.51L, 33, 44, 55);
574 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
575 || strcmp (result, "0x3.052p-1 33") == 0
576 || strcmp (result, "0x6.0a4p-2 33") == 0
577 || strcmp (result, "0xc.148p-3 33") == 0);
578 ASSERT (retval == strlen (result));
581 { /* Rounding can turn a ...FFF into a ...000. */
582 int retval =
583 my_sprintf (result, "%.3La %d", 1.49999L, 33, 44, 55);
584 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
585 || strcmp (result, "0x3.000p-1 33") == 0
586 || strcmp (result, "0x6.000p-2 33") == 0
587 || strcmp (result, "0xc.000p-3 33") == 0);
588 ASSERT (retval == strlen (result));
591 { /* Rounding can turn a ...FFF into a ...000.
592 This shows a Mac OS X 10.3.9 (Darwin 7.9) bug and a
593 glibc 2.4 bug <https://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
594 int retval =
595 my_sprintf (result, "%.1La %d", 1.999L, 33, 44, 55);
596 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
597 || strcmp (result, "0x2.0p+0 33") == 0
598 || strcmp (result, "0x4.0p-1 33") == 0
599 || strcmp (result, "0x8.0p-2 33") == 0);
600 ASSERT (retval == strlen (result));
603 { /* Width. */
604 int retval =
605 my_sprintf (result, "%10La %d", 1.75L, 33, 44, 55);
606 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
607 || strcmp (result, " 0x3.8p-1 33") == 0
608 || strcmp (result, " 0x7p-2 33") == 0
609 || strcmp (result, " 0xep-3 33") == 0);
610 ASSERT (retval == strlen (result));
613 { /* Width given as argument. */
614 int retval =
615 my_sprintf (result, "%*La %d", 10, 1.75L, 33, 44, 55);
616 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
617 || strcmp (result, " 0x3.8p-1 33") == 0
618 || strcmp (result, " 0x7p-2 33") == 0
619 || strcmp (result, " 0xep-3 33") == 0);
620 ASSERT (retval == strlen (result));
623 { /* Negative width given as argument (cf. FLAG_LEFT below). */
624 int retval =
625 my_sprintf (result, "%*La %d", -10, 1.75L, 33, 44, 55);
626 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
627 || strcmp (result, "0x3.8p-1 33") == 0
628 || strcmp (result, "0x7p-2 33") == 0
629 || strcmp (result, "0xep-3 33") == 0);
630 ASSERT (retval == strlen (result));
633 { /* Small precision. */
634 int retval =
635 my_sprintf (result, "%.10La %d", 1.75L, 33, 44, 55);
636 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
637 || strcmp (result, "0x3.8000000000p-1 33") == 0
638 || strcmp (result, "0x7.0000000000p-2 33") == 0
639 || strcmp (result, "0xe.0000000000p-3 33") == 0);
640 ASSERT (retval == strlen (result));
643 { /* Large precision. */
644 int retval =
645 my_sprintf (result, "%.50La %d", 1.75L, 33, 44, 55);
646 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
647 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
648 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
649 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
650 ASSERT (retval == strlen (result));
653 { /* FLAG_LEFT. */
654 int retval =
655 my_sprintf (result, "%-10La %d", 1.75L, 33, 44, 55);
656 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
657 || strcmp (result, "0x3.8p-1 33") == 0
658 || strcmp (result, "0x7p-2 33") == 0
659 || strcmp (result, "0xep-3 33") == 0);
660 ASSERT (retval == strlen (result));
663 { /* FLAG_SHOWSIGN. */
664 int retval =
665 my_sprintf (result, "%+La %d", 1.75L, 33, 44, 55);
666 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
667 || strcmp (result, "+0x3.8p-1 33") == 0
668 || strcmp (result, "+0x7p-2 33") == 0
669 || strcmp (result, "+0xep-3 33") == 0);
670 ASSERT (retval == strlen (result));
673 { /* FLAG_SPACE. */
674 int retval =
675 my_sprintf (result, "% La %d", 1.75L, 33, 44, 55);
676 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
677 || strcmp (result, " 0x3.8p-1 33") == 0
678 || strcmp (result, " 0x7p-2 33") == 0
679 || strcmp (result, " 0xep-3 33") == 0);
680 ASSERT (retval == strlen (result));
683 { /* FLAG_ALT. */
684 int retval =
685 my_sprintf (result, "%#La %d", 1.75L, 33, 44, 55);
686 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
687 || strcmp (result, "0x3.8p-1 33") == 0
688 || strcmp (result, "0x7.p-2 33") == 0
689 || strcmp (result, "0xe.p-3 33") == 0);
690 ASSERT (retval == strlen (result));
693 { /* FLAG_ALT. */
694 int retval =
695 my_sprintf (result, "%#La %d", 1.0L, 33, 44, 55);
696 ASSERT (strcmp (result, "0x1.p+0 33") == 0
697 || strcmp (result, "0x2.p-1 33") == 0
698 || strcmp (result, "0x4.p-2 33") == 0
699 || strcmp (result, "0x8.p-3 33") == 0);
700 ASSERT (retval == strlen (result));
703 { /* FLAG_ZERO with finite number. */
704 int retval =
705 my_sprintf (result, "%010La %d", 1.75L, 33, 44, 55);
706 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
707 || strcmp (result, "0x003.8p-1 33") == 0
708 || strcmp (result, "0x00007p-2 33") == 0
709 || strcmp (result, "0x0000ep-3 33") == 0);
710 ASSERT (retval == strlen (result));
713 { /* FLAG_ZERO with infinite number. */
714 int retval =
715 my_sprintf (result, "%010La %d", Infinityl (), 33, 44, 55);
716 /* "0000000inf 33" is not a valid result; see
717 <https://lists.gnu.org/r/bug-gnulib/2007-04/msg00107.html> */
718 ASSERT (strcmp (result, " inf 33") == 0);
719 ASSERT (retval == strlen (result));
722 { /* FLAG_ZERO with NaN. */
723 int retval =
724 my_sprintf (result, "%050La %d", NaNl (), 33, 44, 55);
725 /* "0000000nan 33" is not a valid result; see
726 <https://lists.gnu.org/r/bug-gnulib/2007-04/msg00107.html> */
727 ASSERT (strlen (result) == 50 + 3
728 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
729 && strcmp (result + strlen (result) - 3, " 33") == 0);
730 ASSERT (retval == strlen (result));
733 /* Test the support of the %f format directive. */
735 { /* A positive number. */
736 int retval =
737 my_sprintf (result, "%f %d", 12.75, 33, 44, 55);
738 ASSERT (strcmp (result, "12.750000 33") == 0);
739 ASSERT (retval == strlen (result));
742 { /* A larger positive number. */
743 int retval =
744 my_sprintf (result, "%f %d", 1234567.0, 33, 44, 55);
745 ASSERT (strcmp (result, "1234567.000000 33") == 0);
746 ASSERT (retval == strlen (result));
749 { /* Small and large positive numbers. */
750 static struct { double value; const char *string; } data[] =
752 { 1.234321234321234e-37, "0.000000" },
753 { 1.234321234321234e-36, "0.000000" },
754 { 1.234321234321234e-35, "0.000000" },
755 { 1.234321234321234e-34, "0.000000" },
756 { 1.234321234321234e-33, "0.000000" },
757 { 1.234321234321234e-32, "0.000000" },
758 { 1.234321234321234e-31, "0.000000" },
759 { 1.234321234321234e-30, "0.000000" },
760 { 1.234321234321234e-29, "0.000000" },
761 { 1.234321234321234e-28, "0.000000" },
762 { 1.234321234321234e-27, "0.000000" },
763 { 1.234321234321234e-26, "0.000000" },
764 { 1.234321234321234e-25, "0.000000" },
765 { 1.234321234321234e-24, "0.000000" },
766 { 1.234321234321234e-23, "0.000000" },
767 { 1.234321234321234e-22, "0.000000" },
768 { 1.234321234321234e-21, "0.000000" },
769 { 1.234321234321234e-20, "0.000000" },
770 { 1.234321234321234e-19, "0.000000" },
771 { 1.234321234321234e-18, "0.000000" },
772 { 1.234321234321234e-17, "0.000000" },
773 { 1.234321234321234e-16, "0.000000" },
774 { 1.234321234321234e-15, "0.000000" },
775 { 1.234321234321234e-14, "0.000000" },
776 { 1.234321234321234e-13, "0.000000" },
777 { 1.234321234321234e-12, "0.000000" },
778 { 1.234321234321234e-11, "0.000000" },
779 { 1.234321234321234e-10, "0.000000" },
780 { 1.234321234321234e-9, "0.000000" },
781 { 1.234321234321234e-8, "0.000000" },
782 { 1.234321234321234e-7, "0.000000" },
783 { 1.234321234321234e-6, "0.000001" },
784 { 1.234321234321234e-5, "0.000012" },
785 { 1.234321234321234e-4, "0.000123" },
786 { 1.234321234321234e-3, "0.001234" },
787 { 1.234321234321234e-2, "0.012343" },
788 { 1.234321234321234e-1, "0.123432" },
789 { 1.234321234321234, "1.234321" },
790 { 1.234321234321234e1, "12.343212" },
791 { 1.234321234321234e2, "123.432123" },
792 { 1.234321234321234e3, "1234.321234" },
793 { 1.234321234321234e4, "12343.212343" },
794 { 1.234321234321234e5, "123432.123432" },
795 { 1.234321234321234e6, "1234321.234321" },
796 { 1.234321234321234e7, "12343212.343212" },
797 { 1.234321234321234e8, "123432123.432123" },
798 { 1.234321234321234e9, "1234321234.321234" },
799 { 1.234321234321234e10, "12343212343.2123**" },
800 { 1.234321234321234e11, "123432123432.123***" },
801 { 1.234321234321234e12, "1234321234321.23****" },
802 { 1.234321234321234e13, "12343212343212.3*****" },
803 { 1.234321234321234e14, "123432123432123.******" },
804 { 1.234321234321234e15, "1234321234321234.000000" },
805 { 1.234321234321234e16, "123432123432123**.000000" },
806 { 1.234321234321234e17, "123432123432123***.000000" },
807 { 1.234321234321234e18, "123432123432123****.000000" },
808 { 1.234321234321234e19, "123432123432123*****.000000" },
809 { 1.234321234321234e20, "123432123432123******.000000" },
810 { 1.234321234321234e21, "123432123432123*******.000000" },
811 { 1.234321234321234e22, "123432123432123********.000000" },
812 { 1.234321234321234e23, "123432123432123*********.000000" },
813 { 1.234321234321234e24, "123432123432123**********.000000" },
814 { 1.234321234321234e25, "123432123432123***********.000000" },
815 { 1.234321234321234e26, "123432123432123************.000000" },
816 { 1.234321234321234e27, "123432123432123*************.000000" },
817 { 1.234321234321234e28, "123432123432123**************.000000" },
818 { 1.234321234321234e29, "123432123432123***************.000000" },
819 { 1.234321234321234e30, "123432123432123****************.000000" },
820 { 1.234321234321234e31, "123432123432123*****************.000000" },
821 { 1.234321234321234e32, "123432123432123******************.000000" },
822 { 1.234321234321234e33, "123432123432123*******************.000000" },
823 { 1.234321234321234e34, "123432123432123********************.000000" },
824 { 1.234321234321234e35, "123432123432123*********************.000000" },
825 { 1.234321234321234e36, "123432123432123**********************.000000" }
827 size_t k;
828 for (k = 0; k < SIZEOF (data); k++)
830 int retval =
831 my_sprintf (result, "%f", data[k].value);
832 ASSERT (strmatch (data[k].string, result));
833 ASSERT (retval == strlen (result));
837 { /* A negative number. */
838 int retval =
839 my_sprintf (result, "%f %d", -0.03125, 33, 44, 55);
840 ASSERT (strcmp (result, "-0.031250 33") == 0);
841 ASSERT (retval == strlen (result));
844 { /* Positive zero. */
845 int retval =
846 my_sprintf (result, "%f %d", 0.0, 33, 44, 55);
847 ASSERT (strcmp (result, "0.000000 33") == 0);
848 ASSERT (retval == strlen (result));
851 { /* Negative zero. */
852 int retval =
853 my_sprintf (result, "%f %d", minus_zerod, 33, 44, 55);
854 if (have_minus_zero ())
855 ASSERT (strcmp (result, "-0.000000 33") == 0);
856 ASSERT (retval == strlen (result));
859 { /* Positive infinity. */
860 int retval =
861 my_sprintf (result, "%f %d", Infinityd (), 33, 44, 55);
862 ASSERT (strcmp (result, "inf 33") == 0
863 || strcmp (result, "infinity 33") == 0);
864 ASSERT (retval == strlen (result));
867 { /* Negative infinity. */
868 int retval =
869 my_sprintf (result, "%f %d", - Infinityd (), 33, 44, 55);
870 ASSERT (strcmp (result, "-inf 33") == 0
871 || strcmp (result, "-infinity 33") == 0);
872 ASSERT (retval == strlen (result));
875 { /* NaN. */
876 int retval =
877 my_sprintf (result, "%f %d", NaNd (), 33, 44, 55);
878 ASSERT (strlen (result) >= 3 + 3
879 && strisnan (result, 0, strlen (result) - 3, 0)
880 && strcmp (result + strlen (result) - 3, " 33") == 0);
881 ASSERT (retval == strlen (result));
883 #if HAVE_SNAND
884 { /* Signalling NaN. */
885 int retval =
886 my_sprintf (result, "%f %d", SNaNd (), 33, 44, 55);
887 ASSERT (strlen (result) >= 3 + 3
888 && strisnan (result, 0, strlen (result) - 3, 0)
889 && strcmp (result + strlen (result) - 3, " 33") == 0);
890 ASSERT (retval == strlen (result));
892 #endif
894 { /* Width. */
895 int retval =
896 my_sprintf (result, "%10f %d", 1.75, 33, 44, 55);
897 ASSERT (strcmp (result, " 1.750000 33") == 0);
898 ASSERT (retval == strlen (result));
901 { /* Width given as argument. */
902 int retval =
903 my_sprintf (result, "%*f %d", 10, 1.75, 33, 44, 55);
904 ASSERT (strcmp (result, " 1.750000 33") == 0);
905 ASSERT (retval == strlen (result));
908 { /* Negative width given as argument (cf. FLAG_LEFT below). */
909 int retval =
910 my_sprintf (result, "%*f %d", -10, 1.75, 33, 44, 55);
911 ASSERT (strcmp (result, "1.750000 33") == 0);
912 ASSERT (retval == strlen (result));
915 { /* FLAG_LEFT. */
916 int retval =
917 my_sprintf (result, "%-10f %d", 1.75, 33, 44, 55);
918 ASSERT (strcmp (result, "1.750000 33") == 0);
919 ASSERT (retval == strlen (result));
922 { /* FLAG_SHOWSIGN. */
923 int retval =
924 my_sprintf (result, "%+f %d", 1.75, 33, 44, 55);
925 ASSERT (strcmp (result, "+1.750000 33") == 0);
926 ASSERT (retval == strlen (result));
929 { /* FLAG_SPACE. */
930 int retval =
931 my_sprintf (result, "% f %d", 1.75, 33, 44, 55);
932 ASSERT (strcmp (result, " 1.750000 33") == 0);
933 ASSERT (retval == strlen (result));
936 { /* FLAG_ALT. */
937 int retval =
938 my_sprintf (result, "%#f %d", 1.75, 33, 44, 55);
939 ASSERT (strcmp (result, "1.750000 33") == 0);
940 ASSERT (retval == strlen (result));
943 { /* FLAG_ALT. */
944 int retval =
945 my_sprintf (result, "%#.f %d", 1.75, 33, 44, 55);
946 ASSERT (strcmp (result, "2. 33") == 0);
947 ASSERT (retval == strlen (result));
950 { /* FLAG_ZERO with finite number. */
951 int retval =
952 my_sprintf (result, "%015f %d", 1234.0, 33, 44, 55);
953 ASSERT (strcmp (result, "00001234.000000 33") == 0);
954 ASSERT (retval == strlen (result));
957 { /* FLAG_ZERO with infinite number. */
958 int retval =
959 my_sprintf (result, "%015f %d", - Infinityd (), 33, 44, 55);
960 ASSERT (strcmp (result, " -inf 33") == 0
961 || strcmp (result, " -infinity 33") == 0);
962 ASSERT (retval == strlen (result));
965 { /* FLAG_ZERO with NaN. */
966 int retval =
967 my_sprintf (result, "%050f %d", NaNd (), 33, 44, 55);
968 ASSERT (strlen (result) == 50 + 3
969 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
970 && strcmp (result + strlen (result) - 3, " 33") == 0);
971 ASSERT (retval == strlen (result));
974 { /* Precision. */
975 int retval =
976 my_sprintf (result, "%.f %d", 1234.0, 33, 44, 55);
977 ASSERT (strcmp (result, "1234 33") == 0);
978 ASSERT (retval == strlen (result));
981 { /* Precision with no rounding. */
982 int retval =
983 my_sprintf (result, "%.2f %d", 999.951, 33, 44, 55);
984 ASSERT (strcmp (result, "999.95 33") == 0);
985 ASSERT (retval == strlen (result));
988 { /* Precision with rounding. */
989 int retval =
990 my_sprintf (result, "%.2f %d", 999.996, 33, 44, 55);
991 ASSERT (strcmp (result, "1000.00 33") == 0);
992 ASSERT (retval == strlen (result));
995 { /* A positive number. */
996 int retval =
997 my_sprintf (result, "%Lf %d", 12.75L, 33, 44, 55);
998 ASSERT (strcmp (result, "12.750000 33") == 0);
999 ASSERT (retval == strlen (result));
1002 { /* A larger positive number. */
1003 int retval =
1004 my_sprintf (result, "%Lf %d", 1234567.0L, 33, 44, 55);
1005 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1006 ASSERT (retval == strlen (result));
1009 { /* Small and large positive numbers. */
1010 static struct { long double value; const char *string; } data[] =
1012 { 1.234321234321234e-37L, "0.000000" },
1013 { 1.234321234321234e-36L, "0.000000" },
1014 { 1.234321234321234e-35L, "0.000000" },
1015 { 1.234321234321234e-34L, "0.000000" },
1016 { 1.234321234321234e-33L, "0.000000" },
1017 { 1.234321234321234e-32L, "0.000000" },
1018 { 1.234321234321234e-31L, "0.000000" },
1019 { 1.234321234321234e-30L, "0.000000" },
1020 { 1.234321234321234e-29L, "0.000000" },
1021 { 1.234321234321234e-28L, "0.000000" },
1022 { 1.234321234321234e-27L, "0.000000" },
1023 { 1.234321234321234e-26L, "0.000000" },
1024 { 1.234321234321234e-25L, "0.000000" },
1025 { 1.234321234321234e-24L, "0.000000" },
1026 { 1.234321234321234e-23L, "0.000000" },
1027 { 1.234321234321234e-22L, "0.000000" },
1028 { 1.234321234321234e-21L, "0.000000" },
1029 { 1.234321234321234e-20L, "0.000000" },
1030 { 1.234321234321234e-19L, "0.000000" },
1031 { 1.234321234321234e-18L, "0.000000" },
1032 { 1.234321234321234e-17L, "0.000000" },
1033 { 1.234321234321234e-16L, "0.000000" },
1034 { 1.234321234321234e-15L, "0.000000" },
1035 { 1.234321234321234e-14L, "0.000000" },
1036 { 1.234321234321234e-13L, "0.000000" },
1037 { 1.234321234321234e-12L, "0.000000" },
1038 { 1.234321234321234e-11L, "0.000000" },
1039 { 1.234321234321234e-10L, "0.000000" },
1040 { 1.234321234321234e-9L, "0.000000" },
1041 { 1.234321234321234e-8L, "0.000000" },
1042 { 1.234321234321234e-7L, "0.000000" },
1043 { 1.234321234321234e-6L, "0.000001" },
1044 { 1.234321234321234e-5L, "0.000012" },
1045 { 1.234321234321234e-4L, "0.000123" },
1046 { 1.234321234321234e-3L, "0.001234" },
1047 { 1.234321234321234e-2L, "0.012343" },
1048 { 1.234321234321234e-1L, "0.123432" },
1049 { 1.234321234321234L, "1.234321" },
1050 { 1.234321234321234e1L, "12.343212" },
1051 { 1.234321234321234e2L, "123.432123" },
1052 { 1.234321234321234e3L, "1234.321234" },
1053 { 1.234321234321234e4L, "12343.212343" },
1054 { 1.234321234321234e5L, "123432.123432" },
1055 { 1.234321234321234e6L, "1234321.234321" },
1056 { 1.234321234321234e7L, "12343212.343212" },
1057 { 1.234321234321234e8L, "123432123.432123" },
1058 { 1.234321234321234e9L, "1234321234.321234" },
1059 { 1.234321234321234e10L, "12343212343.2123**" },
1060 { 1.234321234321234e11L, "123432123432.123***" },
1061 { 1.234321234321234e12L, "1234321234321.23****" },
1062 { 1.234321234321234e13L, "12343212343212.3*****" },
1063 { 1.234321234321234e14L, "123432123432123.******" },
1064 { 1.234321234321234e15L, "1234321234321234.000000" },
1065 { 1.234321234321234e16L, "123432123432123**.000000" },
1066 { 1.234321234321234e17L, "123432123432123***.000000" },
1067 { 1.234321234321234e18L, "123432123432123****.000000" },
1068 { 1.234321234321234e19L, "123432123432123*****.000000" },
1069 { 1.234321234321234e20L, "123432123432123******.000000" },
1070 { 1.234321234321234e21L, "123432123432123*******.000000" },
1071 { 1.234321234321234e22L, "123432123432123********.000000" },
1072 { 1.234321234321234e23L, "123432123432123*********.000000" },
1073 { 1.234321234321234e24L, "123432123432123**********.000000" },
1074 { 1.234321234321234e25L, "123432123432123***********.000000" },
1075 { 1.234321234321234e26L, "123432123432123************.000000" },
1076 { 1.234321234321234e27L, "123432123432123*************.000000" },
1077 { 1.234321234321234e28L, "123432123432123**************.000000" },
1078 { 1.234321234321234e29L, "123432123432123***************.000000" },
1079 { 1.234321234321234e30L, "123432123432123****************.000000" },
1080 { 1.234321234321234e31L, "123432123432123*****************.000000" },
1081 { 1.234321234321234e32L, "123432123432123******************.000000" },
1082 { 1.234321234321234e33L, "123432123432123*******************.000000" },
1083 { 1.234321234321234e34L, "123432123432123********************.000000" },
1084 { 1.234321234321234e35L, "123432123432123*********************.000000" },
1085 { 1.234321234321234e36L, "123432123432123**********************.000000" }
1087 size_t k;
1088 for (k = 0; k < SIZEOF (data); k++)
1090 int retval =
1091 my_sprintf (result, "%Lf", data[k].value);
1092 ASSERT (strmatch (data[k].string, result));
1093 ASSERT (retval == strlen (result));
1097 { /* A negative number. */
1098 int retval =
1099 my_sprintf (result, "%Lf %d", -0.03125L, 33, 44, 55);
1100 ASSERT (strcmp (result, "-0.031250 33") == 0);
1101 ASSERT (retval == strlen (result));
1104 { /* Positive zero. */
1105 int retval =
1106 my_sprintf (result, "%Lf %d", 0.0L, 33, 44, 55);
1107 ASSERT (strcmp (result, "0.000000 33") == 0);
1108 ASSERT (retval == strlen (result));
1111 { /* Negative zero. */
1112 int retval =
1113 my_sprintf (result, "%Lf %d", minus_zerol, 33, 44, 55);
1114 if (have_minus_zero ())
1115 ASSERT (strcmp (result, "-0.000000 33") == 0);
1116 ASSERT (retval == strlen (result));
1119 { /* Positive infinity. */
1120 int retval =
1121 my_sprintf (result, "%Lf %d", Infinityl (), 33, 44, 55);
1122 ASSERT (strcmp (result, "inf 33") == 0
1123 || strcmp (result, "infinity 33") == 0);
1124 ASSERT (retval == strlen (result));
1127 { /* Negative infinity. */
1128 int retval =
1129 my_sprintf (result, "%Lf %d", - Infinityl (), 33, 44, 55);
1130 ASSERT (strcmp (result, "-inf 33") == 0
1131 || strcmp (result, "-infinity 33") == 0);
1132 ASSERT (retval == strlen (result));
1135 { /* NaN. */
1136 int retval =
1137 my_sprintf (result, "%Lf %d", NaNl (), 33, 44, 55);
1138 ASSERT (strlen (result) >= 3 + 3
1139 && strisnan (result, 0, strlen (result) - 3, 0)
1140 && strcmp (result + strlen (result) - 3, " 33") == 0);
1141 ASSERT (retval == strlen (result));
1143 #if HAVE_SNANL
1144 { /* Signalling NaN. */
1145 int retval =
1146 my_sprintf (result, "%Lf %d", SNaNl (), 33, 44, 55);
1147 ASSERT (strlen (result) >= 3 + 3
1148 && strisnan (result, 0, strlen (result) - 3, 0)
1149 && strcmp (result + strlen (result) - 3, " 33") == 0);
1150 ASSERT (retval == strlen (result));
1152 #endif
1153 #if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
1154 { /* Quiet NaN. */
1155 static union { unsigned int word[4]; long double value; } x =
1156 { .word = LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1157 int retval =
1158 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1159 ASSERT (strlen (result) >= 3 + 3
1160 && strisnan (result, 0, strlen (result) - 3, 0)
1161 && strcmp (result + strlen (result) - 3, " 33") == 0);
1162 ASSERT (retval == strlen (result));
1165 /* Signalling NaN. */
1166 static union { unsigned int word[4]; long double value; } x =
1167 { .word = LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1168 int retval =
1169 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1170 ASSERT (strlen (result) >= 3 + 3
1171 && strisnan (result, 0, strlen (result) - 3, 0)
1172 && strcmp (result + strlen (result) - 3, " 33") == 0);
1173 ASSERT (retval == strlen (result));
1175 /* sprintf should print something for noncanonical values. */
1176 { /* Pseudo-NaN. */
1177 static union { unsigned int word[4]; long double value; } x =
1178 { .word = LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
1179 int retval =
1180 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1181 ASSERT (retval == strlen (result));
1182 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
1184 { /* Pseudo-Infinity. */
1185 static union { unsigned int word[4]; long double value; } x =
1186 { .word = LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
1187 int retval =
1188 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1189 ASSERT (retval == strlen (result));
1190 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
1192 { /* Pseudo-Zero. */
1193 static union { unsigned int word[4]; long double value; } x =
1194 { .word = LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
1195 int retval =
1196 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1197 ASSERT (retval == strlen (result));
1198 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
1200 { /* Unnormalized number. */
1201 static union { unsigned int word[4]; long double value; } x =
1202 { .word = LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
1203 int retval =
1204 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1205 ASSERT (retval == strlen (result));
1206 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
1208 { /* Pseudo-Denormal. */
1209 static union { unsigned int word[4]; long double value; } x =
1210 { .word = LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
1211 int retval =
1212 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1213 ASSERT (retval == strlen (result));
1214 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
1216 #endif
1218 { /* Width. */
1219 int retval =
1220 my_sprintf (result, "%10Lf %d", 1.75L, 33, 44, 55);
1221 ASSERT (strcmp (result, " 1.750000 33") == 0);
1222 ASSERT (retval == strlen (result));
1225 { /* Width given as argument. */
1226 int retval =
1227 my_sprintf (result, "%*Lf %d", 10, 1.75L, 33, 44, 55);
1228 ASSERT (strcmp (result, " 1.750000 33") == 0);
1229 ASSERT (retval == strlen (result));
1232 { /* Negative width given as argument (cf. FLAG_LEFT below). */
1233 int retval =
1234 my_sprintf (result, "%*Lf %d", -10, 1.75L, 33, 44, 55);
1235 ASSERT (strcmp (result, "1.750000 33") == 0);
1236 ASSERT (retval == strlen (result));
1239 { /* FLAG_LEFT. */
1240 int retval =
1241 my_sprintf (result, "%-10Lf %d", 1.75L, 33, 44, 55);
1242 ASSERT (strcmp (result, "1.750000 33") == 0);
1243 ASSERT (retval == strlen (result));
1246 { /* FLAG_SHOWSIGN. */
1247 int retval =
1248 my_sprintf (result, "%+Lf %d", 1.75L, 33, 44, 55);
1249 ASSERT (strcmp (result, "+1.750000 33") == 0);
1250 ASSERT (retval == strlen (result));
1253 { /* FLAG_SPACE. */
1254 int retval =
1255 my_sprintf (result, "% Lf %d", 1.75L, 33, 44, 55);
1256 ASSERT (strcmp (result, " 1.750000 33") == 0);
1257 ASSERT (retval == strlen (result));
1260 { /* FLAG_ALT. */
1261 int retval =
1262 my_sprintf (result, "%#Lf %d", 1.75L, 33, 44, 55);
1263 ASSERT (strcmp (result, "1.750000 33") == 0);
1264 ASSERT (retval == strlen (result));
1267 { /* FLAG_ALT. */
1268 int retval =
1269 my_sprintf (result, "%#.Lf %d", 1.75L, 33, 44, 55);
1270 ASSERT (strcmp (result, "2. 33") == 0);
1271 ASSERT (retval == strlen (result));
1274 { /* FLAG_ZERO with finite number. */
1275 int retval =
1276 my_sprintf (result, "%015Lf %d", 1234.0L, 33, 44, 55);
1277 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1278 ASSERT (retval == strlen (result));
1281 { /* FLAG_ZERO with infinite number. */
1282 int retval =
1283 my_sprintf (result, "%015Lf %d", - Infinityl (), 33, 44, 55);
1284 ASSERT (strcmp (result, " -inf 33") == 0
1285 || strcmp (result, " -infinity 33") == 0);
1286 ASSERT (retval == strlen (result));
1289 { /* FLAG_ZERO with NaN. */
1290 int retval =
1291 my_sprintf (result, "%050Lf %d", NaNl (), 33, 44, 55);
1292 ASSERT (strlen (result) == 50 + 3
1293 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1294 && strcmp (result + strlen (result) - 3, " 33") == 0);
1295 ASSERT (retval == strlen (result));
1298 { /* Precision. */
1299 int retval =
1300 my_sprintf (result, "%.Lf %d", 1234.0L, 33, 44, 55);
1301 ASSERT (strcmp (result, "1234 33") == 0);
1302 ASSERT (retval == strlen (result));
1305 { /* Precision with no rounding. */
1306 int retval =
1307 my_sprintf (result, "%.2Lf %d", 999.951L, 33, 44, 55);
1308 ASSERT (strcmp (result, "999.95 33") == 0);
1309 ASSERT (retval == strlen (result));
1312 { /* Precision with rounding. */
1313 int retval =
1314 my_sprintf (result, "%.2Lf %d", 999.996L, 33, 44, 55);
1315 ASSERT (strcmp (result, "1000.00 33") == 0);
1316 ASSERT (retval == strlen (result));
1319 /* Test the support of the %F format directive. */
1321 { /* A positive number. */
1322 int retval =
1323 my_sprintf (result, "%F %d", 12.75, 33, 44, 55);
1324 ASSERT (strcmp (result, "12.750000 33") == 0);
1325 ASSERT (retval == strlen (result));
1328 { /* A larger positive number. */
1329 int retval =
1330 my_sprintf (result, "%F %d", 1234567.0, 33, 44, 55);
1331 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1332 ASSERT (retval == strlen (result));
1335 { /* A negative number. */
1336 int retval =
1337 my_sprintf (result, "%F %d", -0.03125, 33, 44, 55);
1338 ASSERT (strcmp (result, "-0.031250 33") == 0);
1339 ASSERT (retval == strlen (result));
1342 { /* Positive zero. */
1343 int retval =
1344 my_sprintf (result, "%F %d", 0.0, 33, 44, 55);
1345 ASSERT (strcmp (result, "0.000000 33") == 0);
1346 ASSERT (retval == strlen (result));
1349 { /* Negative zero. */
1350 int retval =
1351 my_sprintf (result, "%F %d", minus_zerod, 33, 44, 55);
1352 if (have_minus_zero ())
1353 ASSERT (strcmp (result, "-0.000000 33") == 0);
1354 ASSERT (retval == strlen (result));
1357 { /* Positive infinity. */
1358 int retval =
1359 my_sprintf (result, "%F %d", Infinityd (), 33, 44, 55);
1360 ASSERT (strcmp (result, "INF 33") == 0
1361 || strcmp (result, "INFINITY 33") == 0);
1362 ASSERT (retval == strlen (result));
1365 { /* Negative infinity. */
1366 int retval =
1367 my_sprintf (result, "%F %d", - Infinityd (), 33, 44, 55);
1368 ASSERT (strcmp (result, "-INF 33") == 0
1369 || strcmp (result, "-INFINITY 33") == 0);
1370 ASSERT (retval == strlen (result));
1373 { /* NaN. */
1374 int retval =
1375 my_sprintf (result, "%F %d", NaNd (), 33, 44, 55);
1376 ASSERT (strlen (result) >= 3 + 3
1377 && strisnan (result, 0, strlen (result) - 3, 1)
1378 && strcmp (result + strlen (result) - 3, " 33") == 0);
1379 ASSERT (retval == strlen (result));
1381 #if HAVE_SNAND
1382 { /* Signalling NaN. */
1383 int retval =
1384 my_sprintf (result, "%F %d", SNaNd (), 33, 44, 55);
1385 ASSERT (strlen (result) >= 3 + 3
1386 && strisnan (result, 0, strlen (result) - 3, 1)
1387 && strcmp (result + strlen (result) - 3, " 33") == 0);
1388 ASSERT (retval == strlen (result));
1390 #endif
1392 { /* FLAG_ZERO. */
1393 int retval =
1394 my_sprintf (result, "%015F %d", 1234.0, 33, 44, 55);
1395 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1396 ASSERT (retval == strlen (result));
1399 { /* FLAG_ZERO with infinite number. */
1400 int retval =
1401 my_sprintf (result, "%015F %d", - Infinityd (), 33, 44, 55);
1402 ASSERT (strcmp (result, " -INF 33") == 0
1403 || strcmp (result, " -INFINITY 33") == 0);
1404 ASSERT (retval == strlen (result));
1407 { /* Precision. */
1408 int retval =
1409 my_sprintf (result, "%.F %d", 1234.0, 33, 44, 55);
1410 ASSERT (strcmp (result, "1234 33") == 0);
1411 ASSERT (retval == strlen (result));
1414 { /* Precision with no rounding. */
1415 int retval =
1416 my_sprintf (result, "%.2F %d", 999.951, 33, 44, 55);
1417 ASSERT (strcmp (result, "999.95 33") == 0);
1418 ASSERT (retval == strlen (result));
1421 { /* Precision with rounding. */
1422 int retval =
1423 my_sprintf (result, "%.2F %d", 999.996, 33, 44, 55);
1424 ASSERT (strcmp (result, "1000.00 33") == 0);
1425 ASSERT (retval == strlen (result));
1428 { /* A positive number. */
1429 int retval =
1430 my_sprintf (result, "%LF %d", 12.75L, 33, 44, 55);
1431 ASSERT (strcmp (result, "12.750000 33") == 0);
1432 ASSERT (retval == strlen (result));
1435 { /* A larger positive number. */
1436 int retval =
1437 my_sprintf (result, "%LF %d", 1234567.0L, 33, 44, 55);
1438 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1439 ASSERT (retval == strlen (result));
1442 { /* A negative number. */
1443 int retval =
1444 my_sprintf (result, "%LF %d", -0.03125L, 33, 44, 55);
1445 ASSERT (strcmp (result, "-0.031250 33") == 0);
1446 ASSERT (retval == strlen (result));
1449 { /* Positive zero. */
1450 int retval =
1451 my_sprintf (result, "%LF %d", 0.0L, 33, 44, 55);
1452 ASSERT (strcmp (result, "0.000000 33") == 0);
1453 ASSERT (retval == strlen (result));
1456 { /* Negative zero. */
1457 int retval =
1458 my_sprintf (result, "%LF %d", minus_zerol, 33, 44, 55);
1459 if (have_minus_zero ())
1460 ASSERT (strcmp (result, "-0.000000 33") == 0);
1461 ASSERT (retval == strlen (result));
1464 { /* Positive infinity. */
1465 int retval =
1466 my_sprintf (result, "%LF %d", Infinityl (), 33, 44, 55);
1467 ASSERT (strcmp (result, "INF 33") == 0
1468 || strcmp (result, "INFINITY 33") == 0);
1469 ASSERT (retval == strlen (result));
1472 { /* Negative infinity. */
1473 int retval =
1474 my_sprintf (result, "%LF %d", - Infinityl (), 33, 44, 55);
1475 ASSERT (strcmp (result, "-INF 33") == 0
1476 || strcmp (result, "-INFINITY 33") == 0);
1477 ASSERT (retval == strlen (result));
1480 { /* NaN. */
1481 int retval =
1482 my_sprintf (result, "%LF %d", NaNl (), 33, 44, 55);
1483 ASSERT (strlen (result) >= 3 + 3
1484 && strisnan (result, 0, strlen (result) - 3, 1)
1485 && strcmp (result + strlen (result) - 3, " 33") == 0);
1486 ASSERT (retval == strlen (result));
1488 #if HAVE_SNANL
1489 { /* Signalling NaN. */
1490 int retval =
1491 my_sprintf (result, "%LF %d", SNaNl (), 33, 44, 55);
1492 ASSERT (strlen (result) >= 3 + 3
1493 && strisnan (result, 0, strlen (result) - 3, 1)
1494 && strcmp (result + strlen (result) - 3, " 33") == 0);
1495 ASSERT (retval == strlen (result));
1497 #endif
1499 { /* FLAG_ZERO. */
1500 int retval =
1501 my_sprintf (result, "%015LF %d", 1234.0L, 33, 44, 55);
1502 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1503 ASSERT (retval == strlen (result));
1506 { /* FLAG_ZERO with infinite number. */
1507 int retval =
1508 my_sprintf (result, "%015LF %d", - Infinityl (), 33, 44, 55);
1509 ASSERT (strcmp (result, " -INF 33") == 0
1510 || strcmp (result, " -INFINITY 33") == 0);
1511 ASSERT (retval == strlen (result));
1514 { /* Precision. */
1515 int retval =
1516 my_sprintf (result, "%.LF %d", 1234.0L, 33, 44, 55);
1517 ASSERT (strcmp (result, "1234 33") == 0);
1518 ASSERT (retval == strlen (result));
1521 { /* Precision with no rounding. */
1522 int retval =
1523 my_sprintf (result, "%.2LF %d", 999.951L, 33, 44, 55);
1524 ASSERT (strcmp (result, "999.95 33") == 0);
1525 ASSERT (retval == strlen (result));
1528 { /* Precision with rounding. */
1529 int retval =
1530 my_sprintf (result, "%.2LF %d", 999.996L, 33, 44, 55);
1531 ASSERT (strcmp (result, "1000.00 33") == 0);
1532 ASSERT (retval == strlen (result));
1535 /* Test the support of the %e format directive. */
1537 { /* A positive number. */
1538 int retval =
1539 my_sprintf (result, "%e %d", 12.75, 33, 44, 55);
1540 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1541 || strcmp (result, "1.275000e+001 33") == 0);
1542 ASSERT (retval == strlen (result));
1545 { /* A larger positive number. */
1546 int retval =
1547 my_sprintf (result, "%e %d", 1234567.0, 33, 44, 55);
1548 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1549 || strcmp (result, "1.234567e+006 33") == 0);
1550 ASSERT (retval == strlen (result));
1553 { /* Small and large positive numbers. */
1554 static struct { double value; const char *string; } data[] =
1556 { 1.234321234321234e-37, "1.234321e-37" },
1557 { 1.234321234321234e-36, "1.234321e-36" },
1558 { 1.234321234321234e-35, "1.234321e-35" },
1559 { 1.234321234321234e-34, "1.234321e-34" },
1560 { 1.234321234321234e-33, "1.234321e-33" },
1561 { 1.234321234321234e-32, "1.234321e-32" },
1562 { 1.234321234321234e-31, "1.234321e-31" },
1563 { 1.234321234321234e-30, "1.234321e-30" },
1564 { 1.234321234321234e-29, "1.234321e-29" },
1565 { 1.234321234321234e-28, "1.234321e-28" },
1566 { 1.234321234321234e-27, "1.234321e-27" },
1567 { 1.234321234321234e-26, "1.234321e-26" },
1568 { 1.234321234321234e-25, "1.234321e-25" },
1569 { 1.234321234321234e-24, "1.234321e-24" },
1570 { 1.234321234321234e-23, "1.234321e-23" },
1571 { 1.234321234321234e-22, "1.234321e-22" },
1572 { 1.234321234321234e-21, "1.234321e-21" },
1573 { 1.234321234321234e-20, "1.234321e-20" },
1574 { 1.234321234321234e-19, "1.234321e-19" },
1575 { 1.234321234321234e-18, "1.234321e-18" },
1576 { 1.234321234321234e-17, "1.234321e-17" },
1577 { 1.234321234321234e-16, "1.234321e-16" },
1578 { 1.234321234321234e-15, "1.234321e-15" },
1579 { 1.234321234321234e-14, "1.234321e-14" },
1580 { 1.234321234321234e-13, "1.234321e-13" },
1581 { 1.234321234321234e-12, "1.234321e-12" },
1582 { 1.234321234321234e-11, "1.234321e-11" },
1583 { 1.234321234321234e-10, "1.234321e-10" },
1584 { 1.234321234321234e-9, "1.234321e-09" },
1585 { 1.234321234321234e-8, "1.234321e-08" },
1586 { 1.234321234321234e-7, "1.234321e-07" },
1587 { 1.234321234321234e-6, "1.234321e-06" },
1588 { 1.234321234321234e-5, "1.234321e-05" },
1589 { 1.234321234321234e-4, "1.234321e-04" },
1590 { 1.234321234321234e-3, "1.234321e-03" },
1591 { 1.234321234321234e-2, "1.234321e-02" },
1592 { 1.234321234321234e-1, "1.234321e-01" },
1593 { 1.234321234321234, "1.234321e+00" },
1594 { 1.234321234321234e1, "1.234321e+01" },
1595 { 1.234321234321234e2, "1.234321e+02" },
1596 { 1.234321234321234e3, "1.234321e+03" },
1597 { 1.234321234321234e4, "1.234321e+04" },
1598 { 1.234321234321234e5, "1.234321e+05" },
1599 { 1.234321234321234e6, "1.234321e+06" },
1600 { 1.234321234321234e7, "1.234321e+07" },
1601 { 1.234321234321234e8, "1.234321e+08" },
1602 { 1.234321234321234e9, "1.234321e+09" },
1603 { 1.234321234321234e10, "1.234321e+10" },
1604 { 1.234321234321234e11, "1.234321e+11" },
1605 { 1.234321234321234e12, "1.234321e+12" },
1606 { 1.234321234321234e13, "1.234321e+13" },
1607 { 1.234321234321234e14, "1.234321e+14" },
1608 { 1.234321234321234e15, "1.234321e+15" },
1609 { 1.234321234321234e16, "1.234321e+16" },
1610 { 1.234321234321234e17, "1.234321e+17" },
1611 { 1.234321234321234e18, "1.234321e+18" },
1612 { 1.234321234321234e19, "1.234321e+19" },
1613 { 1.234321234321234e20, "1.234321e+20" },
1614 { 1.234321234321234e21, "1.234321e+21" },
1615 { 1.234321234321234e22, "1.234321e+22" },
1616 { 1.234321234321234e23, "1.234321e+23" },
1617 { 1.234321234321234e24, "1.234321e+24" },
1618 { 1.234321234321234e25, "1.234321e+25" },
1619 { 1.234321234321234e26, "1.234321e+26" },
1620 { 1.234321234321234e27, "1.234321e+27" },
1621 { 1.234321234321234e28, "1.234321e+28" },
1622 { 1.234321234321234e29, "1.234321e+29" },
1623 { 1.234321234321234e30, "1.234321e+30" },
1624 { 1.234321234321234e31, "1.234321e+31" },
1625 { 1.234321234321234e32, "1.234321e+32" },
1626 { 1.234321234321234e33, "1.234321e+33" },
1627 { 1.234321234321234e34, "1.234321e+34" },
1628 { 1.234321234321234e35, "1.234321e+35" },
1629 { 1.234321234321234e36, "1.234321e+36" }
1631 size_t k;
1632 for (k = 0; k < SIZEOF (data); k++)
1634 int retval =
1635 my_sprintf (result, "%e", data[k].value);
1636 const char *expected = data[k].string;
1637 ASSERT (strcmp (result, expected) == 0
1638 /* Some implementations produce exponents with 3 digits. */
1639 || (strlen (result) == strlen (expected) + 1
1640 && memcmp (result, expected, strlen (expected) - 2) == 0
1641 && result[strlen (expected) - 2] == '0'
1642 && strcmp (result + strlen (expected) - 1,
1643 expected + strlen (expected) - 2)
1644 == 0));
1645 ASSERT (retval == strlen (result));
1649 { /* A negative number. */
1650 int retval =
1651 my_sprintf (result, "%e %d", -0.03125, 33, 44, 55);
1652 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
1653 || strcmp (result, "-3.125000e-002 33") == 0);
1654 ASSERT (retval == strlen (result));
1657 { /* Positive zero. */
1658 int retval =
1659 my_sprintf (result, "%e %d", 0.0, 33, 44, 55);
1660 ASSERT (strcmp (result, "0.000000e+00 33") == 0
1661 || strcmp (result, "0.000000e+000 33") == 0);
1662 ASSERT (retval == strlen (result));
1665 { /* Negative zero. */
1666 int retval =
1667 my_sprintf (result, "%e %d", minus_zerod, 33, 44, 55);
1668 if (have_minus_zero ())
1669 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
1670 || strcmp (result, "-0.000000e+000 33") == 0);
1671 ASSERT (retval == strlen (result));
1674 { /* Positive infinity. */
1675 int retval =
1676 my_sprintf (result, "%e %d", Infinityd (), 33, 44, 55);
1677 ASSERT (strcmp (result, "inf 33") == 0
1678 || strcmp (result, "infinity 33") == 0);
1679 ASSERT (retval == strlen (result));
1682 { /* Negative infinity. */
1683 int retval =
1684 my_sprintf (result, "%e %d", - Infinityd (), 33, 44, 55);
1685 ASSERT (strcmp (result, "-inf 33") == 0
1686 || strcmp (result, "-infinity 33") == 0);
1687 ASSERT (retval == strlen (result));
1690 { /* NaN. */
1691 int retval =
1692 my_sprintf (result, "%e %d", NaNd (), 33, 44, 55);
1693 ASSERT (strlen (result) >= 3 + 3
1694 && strisnan (result, 0, strlen (result) - 3, 0)
1695 && strcmp (result + strlen (result) - 3, " 33") == 0);
1696 ASSERT (retval == strlen (result));
1698 #if HAVE_SNAND
1699 { /* Signalling NaN. */
1700 int retval =
1701 my_sprintf (result, "%e %d", SNaNd (), 33, 44, 55);
1702 ASSERT (strlen (result) >= 3 + 3
1703 && strisnan (result, 0, strlen (result) - 3, 0)
1704 && strcmp (result + strlen (result) - 3, " 33") == 0);
1705 ASSERT (retval == strlen (result));
1707 #endif
1709 { /* Width. */
1710 int retval =
1711 my_sprintf (result, "%15e %d", 1.75, 33, 44, 55);
1712 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1713 || strcmp (result, " 1.750000e+000 33") == 0);
1714 ASSERT (retval == strlen (result));
1717 { /* Width given as argument. */
1718 int retval =
1719 my_sprintf (result, "%*e %d", 15, 1.75, 33, 44, 55);
1720 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1721 || strcmp (result, " 1.750000e+000 33") == 0);
1722 ASSERT (retval == strlen (result));
1725 { /* Negative width given as argument (cf. FLAG_LEFT below). */
1726 int retval =
1727 my_sprintf (result, "%*e %d", -15, 1.75, 33, 44, 55);
1728 ASSERT (strcmp (result, "1.750000e+00 33") == 0
1729 || strcmp (result, "1.750000e+000 33") == 0);
1730 ASSERT (retval == strlen (result));
1733 { /* FLAG_LEFT. */
1734 int retval =
1735 my_sprintf (result, "%-15e %d", 1.75, 33, 44, 55);
1736 ASSERT (strcmp (result, "1.750000e+00 33") == 0
1737 || strcmp (result, "1.750000e+000 33") == 0);
1738 ASSERT (retval == strlen (result));
1741 { /* FLAG_SHOWSIGN. */
1742 int retval =
1743 my_sprintf (result, "%+e %d", 1.75, 33, 44, 55);
1744 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
1745 || strcmp (result, "+1.750000e+000 33") == 0);
1746 ASSERT (retval == strlen (result));
1749 { /* FLAG_SPACE. */
1750 int retval =
1751 my_sprintf (result, "% e %d", 1.75, 33, 44, 55);
1752 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1753 || strcmp (result, " 1.750000e+000 33") == 0);
1754 ASSERT (retval == strlen (result));
1757 { /* FLAG_ALT. */
1758 int retval =
1759 my_sprintf (result, "%#e %d", 1.75, 33, 44, 55);
1760 ASSERT (strcmp (result, "1.750000e+00 33") == 0
1761 || strcmp (result, "1.750000e+000 33") == 0);
1762 ASSERT (retval == strlen (result));
1765 { /* FLAG_ALT. */
1766 int retval =
1767 my_sprintf (result, "%#.e %d", 1.75, 33, 44, 55);
1768 ASSERT (strcmp (result, "2.e+00 33") == 0
1769 || strcmp (result, "2.e+000 33") == 0);
1770 ASSERT (retval == strlen (result));
1773 { /* FLAG_ALT. */
1774 int retval =
1775 my_sprintf (result, "%#.e %d", 9.75, 33, 44, 55);
1776 ASSERT (strcmp (result, "1.e+01 33") == 0
1777 || strcmp (result, "1.e+001 33") == 0);
1778 ASSERT (retval == strlen (result));
1781 { /* FLAG_ZERO with finite number. */
1782 int retval =
1783 my_sprintf (result, "%015e %d", 1234.0, 33, 44, 55);
1784 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
1785 || strcmp (result, "001.234000e+003 33") == 0);
1786 ASSERT (retval == strlen (result));
1789 { /* FLAG_ZERO with infinite number. */
1790 int retval =
1791 my_sprintf (result, "%015e %d", - Infinityd (), 33, 44, 55);
1792 ASSERT (strcmp (result, " -inf 33") == 0
1793 || strcmp (result, " -infinity 33") == 0);
1794 ASSERT (retval == strlen (result));
1797 { /* FLAG_ZERO with NaN. */
1798 int retval =
1799 my_sprintf (result, "%050e %d", NaNd (), 33, 44, 55);
1800 ASSERT (strlen (result) == 50 + 3
1801 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1802 && strcmp (result + strlen (result) - 3, " 33") == 0);
1803 ASSERT (retval == strlen (result));
1806 { /* Precision. */
1807 int retval =
1808 my_sprintf (result, "%.e %d", 1234.0, 33, 44, 55);
1809 ASSERT (strcmp (result, "1e+03 33") == 0
1810 || strcmp (result, "1e+003 33") == 0);
1811 ASSERT (retval == strlen (result));
1814 { /* Precision with no rounding. */
1815 int retval =
1816 my_sprintf (result, "%.4e %d", 999.951, 33, 44, 55);
1817 ASSERT (strcmp (result, "9.9995e+02 33") == 0
1818 || strcmp (result, "9.9995e+002 33") == 0);
1819 ASSERT (retval == strlen (result));
1822 { /* Precision with rounding. */
1823 int retval =
1824 my_sprintf (result, "%.4e %d", 999.996, 33, 44, 55);
1825 ASSERT (strcmp (result, "1.0000e+03 33") == 0
1826 || strcmp (result, "1.0000e+003 33") == 0);
1827 ASSERT (retval == strlen (result));
1830 { /* A positive number. */
1831 int retval =
1832 my_sprintf (result, "%Le %d", 12.75L, 33, 44, 55);
1833 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1834 || strcmp (result, "1.275000e+001 33") == 0);
1835 ASSERT (retval == strlen (result));
1838 { /* A larger positive number. */
1839 int retval =
1840 my_sprintf (result, "%Le %d", 1234567.0L, 33, 44, 55);
1841 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1842 || strcmp (result, "1.234567e+006 33") == 0);
1843 ASSERT (retval == strlen (result));
1846 { /* Small and large positive numbers. */
1847 static struct { long double value; const char *string; } data[] =
1849 { 1.234321234321234e-37L, "1.234321e-37" },
1850 { 1.234321234321234e-36L, "1.234321e-36" },
1851 { 1.234321234321234e-35L, "1.234321e-35" },
1852 { 1.234321234321234e-34L, "1.234321e-34" },
1853 { 1.234321234321234e-33L, "1.234321e-33" },
1854 { 1.234321234321234e-32L, "1.234321e-32" },
1855 { 1.234321234321234e-31L, "1.234321e-31" },
1856 { 1.234321234321234e-30L, "1.234321e-30" },
1857 { 1.234321234321234e-29L, "1.234321e-29" },
1858 { 1.234321234321234e-28L, "1.234321e-28" },
1859 { 1.234321234321234e-27L, "1.234321e-27" },
1860 { 1.234321234321234e-26L, "1.234321e-26" },
1861 { 1.234321234321234e-25L, "1.234321e-25" },
1862 { 1.234321234321234e-24L, "1.234321e-24" },
1863 { 1.234321234321234e-23L, "1.234321e-23" },
1864 { 1.234321234321234e-22L, "1.234321e-22" },
1865 { 1.234321234321234e-21L, "1.234321e-21" },
1866 { 1.234321234321234e-20L, "1.234321e-20" },
1867 { 1.234321234321234e-19L, "1.234321e-19" },
1868 { 1.234321234321234e-18L, "1.234321e-18" },
1869 { 1.234321234321234e-17L, "1.234321e-17" },
1870 { 1.234321234321234e-16L, "1.234321e-16" },
1871 { 1.234321234321234e-15L, "1.234321e-15" },
1872 { 1.234321234321234e-14L, "1.234321e-14" },
1873 { 1.234321234321234e-13L, "1.234321e-13" },
1874 { 1.234321234321234e-12L, "1.234321e-12" },
1875 { 1.234321234321234e-11L, "1.234321e-11" },
1876 { 1.234321234321234e-10L, "1.234321e-10" },
1877 { 1.234321234321234e-9L, "1.234321e-09" },
1878 { 1.234321234321234e-8L, "1.234321e-08" },
1879 { 1.234321234321234e-7L, "1.234321e-07" },
1880 { 1.234321234321234e-6L, "1.234321e-06" },
1881 { 1.234321234321234e-5L, "1.234321e-05" },
1882 { 1.234321234321234e-4L, "1.234321e-04" },
1883 { 1.234321234321234e-3L, "1.234321e-03" },
1884 { 1.234321234321234e-2L, "1.234321e-02" },
1885 { 1.234321234321234e-1L, "1.234321e-01" },
1886 { 1.234321234321234L, "1.234321e+00" },
1887 { 1.234321234321234e1L, "1.234321e+01" },
1888 { 1.234321234321234e2L, "1.234321e+02" },
1889 { 1.234321234321234e3L, "1.234321e+03" },
1890 { 1.234321234321234e4L, "1.234321e+04" },
1891 { 1.234321234321234e5L, "1.234321e+05" },
1892 { 1.234321234321234e6L, "1.234321e+06" },
1893 { 1.234321234321234e7L, "1.234321e+07" },
1894 { 1.234321234321234e8L, "1.234321e+08" },
1895 { 1.234321234321234e9L, "1.234321e+09" },
1896 { 1.234321234321234e10L, "1.234321e+10" },
1897 { 1.234321234321234e11L, "1.234321e+11" },
1898 { 1.234321234321234e12L, "1.234321e+12" },
1899 { 1.234321234321234e13L, "1.234321e+13" },
1900 { 1.234321234321234e14L, "1.234321e+14" },
1901 { 1.234321234321234e15L, "1.234321e+15" },
1902 { 1.234321234321234e16L, "1.234321e+16" },
1903 { 1.234321234321234e17L, "1.234321e+17" },
1904 { 1.234321234321234e18L, "1.234321e+18" },
1905 { 1.234321234321234e19L, "1.234321e+19" },
1906 { 1.234321234321234e20L, "1.234321e+20" },
1907 { 1.234321234321234e21L, "1.234321e+21" },
1908 { 1.234321234321234e22L, "1.234321e+22" },
1909 { 1.234321234321234e23L, "1.234321e+23" },
1910 { 1.234321234321234e24L, "1.234321e+24" },
1911 { 1.234321234321234e25L, "1.234321e+25" },
1912 { 1.234321234321234e26L, "1.234321e+26" },
1913 { 1.234321234321234e27L, "1.234321e+27" },
1914 { 1.234321234321234e28L, "1.234321e+28" },
1915 { 1.234321234321234e29L, "1.234321e+29" },
1916 { 1.234321234321234e30L, "1.234321e+30" },
1917 { 1.234321234321234e31L, "1.234321e+31" },
1918 { 1.234321234321234e32L, "1.234321e+32" },
1919 { 1.234321234321234e33L, "1.234321e+33" },
1920 { 1.234321234321234e34L, "1.234321e+34" },
1921 { 1.234321234321234e35L, "1.234321e+35" },
1922 { 1.234321234321234e36L, "1.234321e+36" }
1924 size_t k;
1925 for (k = 0; k < SIZEOF (data); k++)
1927 int retval =
1928 my_sprintf (result, "%Le", data[k].value);
1929 const char *expected = data[k].string;
1930 ASSERT (strcmp (result, expected) == 0
1931 /* Some implementations produce exponents with 3 digits. */
1932 || (strlen (result) == strlen (expected) + 1
1933 && memcmp (result, expected, strlen (expected) - 2) == 0
1934 && result[strlen (expected) - 2] == '0'
1935 && strcmp (result + strlen (expected) - 1,
1936 expected + strlen (expected) - 2)
1937 == 0));
1938 ASSERT (retval == strlen (result));
1942 { /* A negative number. */
1943 int retval =
1944 my_sprintf (result, "%Le %d", -0.03125L, 33, 44, 55);
1945 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
1946 || strcmp (result, "-3.125000e-002 33") == 0);
1947 ASSERT (retval == strlen (result));
1950 { /* Positive zero. */
1951 int retval =
1952 my_sprintf (result, "%Le %d", 0.0L, 33, 44, 55);
1953 ASSERT (strcmp (result, "0.000000e+00 33") == 0
1954 || strcmp (result, "0.000000e+000 33") == 0);
1955 ASSERT (retval == strlen (result));
1958 { /* Negative zero. */
1959 int retval =
1960 my_sprintf (result, "%Le %d", minus_zerol, 33, 44, 55);
1961 if (have_minus_zero ())
1962 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
1963 || strcmp (result, "-0.000000e+000 33") == 0);
1964 ASSERT (retval == strlen (result));
1967 { /* Positive infinity. */
1968 int retval =
1969 my_sprintf (result, "%Le %d", Infinityl (), 33, 44, 55);
1970 ASSERT (strcmp (result, "inf 33") == 0
1971 || strcmp (result, "infinity 33") == 0);
1972 ASSERT (retval == strlen (result));
1975 { /* Negative infinity. */
1976 int retval =
1977 my_sprintf (result, "%Le %d", - Infinityl (), 33, 44, 55);
1978 ASSERT (strcmp (result, "-inf 33") == 0
1979 || strcmp (result, "-infinity 33") == 0);
1980 ASSERT (retval == strlen (result));
1983 { /* NaN. */
1984 int retval =
1985 my_sprintf (result, "%Le %d", NaNl (), 33, 44, 55);
1986 ASSERT (strlen (result) >= 3 + 3
1987 && strisnan (result, 0, strlen (result) - 3, 0)
1988 && strcmp (result + strlen (result) - 3, " 33") == 0);
1989 ASSERT (retval == strlen (result));
1991 #if HAVE_SNANL
1992 { /* Signalling NaN. */
1993 int retval =
1994 my_sprintf (result, "%Le %d", SNaNl (), 33, 44, 55);
1995 ASSERT (strlen (result) >= 3 + 3
1996 && strisnan (result, 0, strlen (result) - 3, 0)
1997 && strcmp (result + strlen (result) - 3, " 33") == 0);
1998 ASSERT (retval == strlen (result));
2000 #endif
2001 #if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
2002 { /* Quiet NaN. */
2003 static union { unsigned int word[4]; long double value; } x =
2004 { .word = LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2005 int retval =
2006 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2007 ASSERT (strlen (result) >= 3 + 3
2008 && strisnan (result, 0, strlen (result) - 3, 0)
2009 && strcmp (result + strlen (result) - 3, " 33") == 0);
2010 ASSERT (retval == strlen (result));
2013 /* Signalling NaN. */
2014 static union { unsigned int word[4]; long double value; } x =
2015 { .word = LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2016 int retval =
2017 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2018 ASSERT (strlen (result) >= 3 + 3
2019 && strisnan (result, 0, strlen (result) - 3, 0)
2020 && strcmp (result + strlen (result) - 3, " 33") == 0);
2021 ASSERT (retval == strlen (result));
2023 /* sprintf should print something for noncanonical values. */
2024 { /* Pseudo-NaN. */
2025 static union { unsigned int word[4]; long double value; } x =
2026 { .word = LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2027 int retval =
2028 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2029 ASSERT (retval == strlen (result));
2030 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
2032 { /* Pseudo-Infinity. */
2033 static union { unsigned int word[4]; long double value; } x =
2034 { .word = LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2035 int retval =
2036 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2037 ASSERT (retval == strlen (result));
2038 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
2040 { /* Pseudo-Zero. */
2041 static union { unsigned int word[4]; long double value; } x =
2042 { .word = LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2043 int retval =
2044 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2045 ASSERT (retval == strlen (result));
2046 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
2048 { /* Unnormalized number. */
2049 static union { unsigned int word[4]; long double value; } x =
2050 { .word = LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2051 int retval =
2052 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2053 ASSERT (retval == strlen (result));
2054 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
2056 { /* Pseudo-Denormal. */
2057 static union { unsigned int word[4]; long double value; } x =
2058 { .word = LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2059 int retval =
2060 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2061 ASSERT (retval == strlen (result));
2062 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
2064 #endif
2066 { /* Width. */
2067 int retval =
2068 my_sprintf (result, "%15Le %d", 1.75L, 33, 44, 55);
2069 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2070 || strcmp (result, " 1.750000e+000 33") == 0);
2071 ASSERT (retval == strlen (result));
2074 { /* Width given as argument. */
2075 int retval =
2076 my_sprintf (result, "%*Le %d", 15, 1.75L, 33, 44, 55);
2077 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2078 || strcmp (result, " 1.750000e+000 33") == 0);
2079 ASSERT (retval == strlen (result));
2082 { /* Negative width given as argument (cf. FLAG_LEFT below). */
2083 int retval =
2084 my_sprintf (result, "%*Le %d", -15, 1.75L, 33, 44, 55);
2085 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2086 || strcmp (result, "1.750000e+000 33") == 0);
2087 ASSERT (retval == strlen (result));
2090 { /* FLAG_LEFT. */
2091 int retval =
2092 my_sprintf (result, "%-15Le %d", 1.75L, 33, 44, 55);
2093 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2094 || strcmp (result, "1.750000e+000 33") == 0);
2095 ASSERT (retval == strlen (result));
2098 { /* FLAG_SHOWSIGN. */
2099 int retval =
2100 my_sprintf (result, "%+Le %d", 1.75L, 33, 44, 55);
2101 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
2102 || strcmp (result, "+1.750000e+000 33") == 0);
2103 ASSERT (retval == strlen (result));
2106 { /* FLAG_SPACE. */
2107 int retval =
2108 my_sprintf (result, "% Le %d", 1.75L, 33, 44, 55);
2109 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2110 || strcmp (result, " 1.750000e+000 33") == 0);
2111 ASSERT (retval == strlen (result));
2114 { /* FLAG_ALT. */
2115 int retval =
2116 my_sprintf (result, "%#Le %d", 1.75L, 33, 44, 55);
2117 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2118 || strcmp (result, "1.750000e+000 33") == 0);
2119 ASSERT (retval == strlen (result));
2122 { /* FLAG_ALT. */
2123 int retval =
2124 my_sprintf (result, "%#.Le %d", 1.75L, 33, 44, 55);
2125 ASSERT (strcmp (result, "2.e+00 33") == 0
2126 || strcmp (result, "2.e+000 33") == 0);
2127 ASSERT (retval == strlen (result));
2130 { /* FLAG_ALT. */
2131 int retval =
2132 my_sprintf (result, "%#.Le %d", 9.75L, 33, 44, 55);
2133 ASSERT (strcmp (result, "1.e+01 33") == 0
2134 || strcmp (result, "1.e+001 33") == 0);
2135 ASSERT (retval == strlen (result));
2138 { /* FLAG_ZERO with finite number. */
2139 int retval =
2140 my_sprintf (result, "%015Le %d", 1234.0L, 33, 44, 55);
2141 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
2142 || strcmp (result, "001.234000e+003 33") == 0);
2143 ASSERT (retval == strlen (result));
2146 { /* FLAG_ZERO with infinite number. */
2147 int retval =
2148 my_sprintf (result, "%015Le %d", - Infinityl (), 33, 44, 55);
2149 ASSERT (strcmp (result, " -inf 33") == 0
2150 || strcmp (result, " -infinity 33") == 0);
2151 ASSERT (retval == strlen (result));
2154 { /* FLAG_ZERO with NaN. */
2155 int retval =
2156 my_sprintf (result, "%050Le %d", NaNl (), 33, 44, 55);
2157 ASSERT (strlen (result) == 50 + 3
2158 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2159 && strcmp (result + strlen (result) - 3, " 33") == 0);
2160 ASSERT (retval == strlen (result));
2163 { /* Precision. */
2164 int retval =
2165 my_sprintf (result, "%.Le %d", 1234.0L, 33, 44, 55);
2166 ASSERT (strcmp (result, "1e+03 33") == 0
2167 || strcmp (result, "1e+003 33") == 0);
2168 ASSERT (retval == strlen (result));
2171 { /* Precision with no rounding. */
2172 int retval =
2173 my_sprintf (result, "%.4Le %d", 999.951L, 33, 44, 55);
2174 ASSERT (strcmp (result, "9.9995e+02 33") == 0
2175 || strcmp (result, "9.9995e+002 33") == 0);
2176 ASSERT (retval == strlen (result));
2179 { /* Precision with rounding. */
2180 int retval =
2181 my_sprintf (result, "%.4Le %d", 999.996L, 33, 44, 55);
2182 ASSERT (strcmp (result, "1.0000e+03 33") == 0
2183 || strcmp (result, "1.0000e+003 33") == 0);
2184 ASSERT (retval == strlen (result));
2187 /* Test the support of the %g format directive. */
2189 { /* A positive number. */
2190 int retval =
2191 my_sprintf (result, "%g %d", 12.75, 33, 44, 55);
2192 ASSERT (strcmp (result, "12.75 33") == 0);
2193 ASSERT (retval == strlen (result));
2196 { /* A larger positive number. */
2197 int retval =
2198 my_sprintf (result, "%g %d", 1234567.0, 33, 44, 55);
2199 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2200 || strcmp (result, "1.23457e+006 33") == 0);
2201 ASSERT (retval == strlen (result));
2204 { /* Small and large positive numbers. */
2205 static struct { double value; const char *string; } data[] =
2207 { 1.234321234321234e-37, "1.23432e-37" },
2208 { 1.234321234321234e-36, "1.23432e-36" },
2209 { 1.234321234321234e-35, "1.23432e-35" },
2210 { 1.234321234321234e-34, "1.23432e-34" },
2211 { 1.234321234321234e-33, "1.23432e-33" },
2212 { 1.234321234321234e-32, "1.23432e-32" },
2213 { 1.234321234321234e-31, "1.23432e-31" },
2214 { 1.234321234321234e-30, "1.23432e-30" },
2215 { 1.234321234321234e-29, "1.23432e-29" },
2216 { 1.234321234321234e-28, "1.23432e-28" },
2217 { 1.234321234321234e-27, "1.23432e-27" },
2218 { 1.234321234321234e-26, "1.23432e-26" },
2219 { 1.234321234321234e-25, "1.23432e-25" },
2220 { 1.234321234321234e-24, "1.23432e-24" },
2221 { 1.234321234321234e-23, "1.23432e-23" },
2222 { 1.234321234321234e-22, "1.23432e-22" },
2223 { 1.234321234321234e-21, "1.23432e-21" },
2224 { 1.234321234321234e-20, "1.23432e-20" },
2225 { 1.234321234321234e-19, "1.23432e-19" },
2226 { 1.234321234321234e-18, "1.23432e-18" },
2227 { 1.234321234321234e-17, "1.23432e-17" },
2228 { 1.234321234321234e-16, "1.23432e-16" },
2229 { 1.234321234321234e-15, "1.23432e-15" },
2230 { 1.234321234321234e-14, "1.23432e-14" },
2231 { 1.234321234321234e-13, "1.23432e-13" },
2232 { 1.234321234321234e-12, "1.23432e-12" },
2233 { 1.234321234321234e-11, "1.23432e-11" },
2234 { 1.234321234321234e-10, "1.23432e-10" },
2235 { 1.234321234321234e-9, "1.23432e-09" },
2236 { 1.234321234321234e-8, "1.23432e-08" },
2237 { 1.234321234321234e-7, "1.23432e-07" },
2238 { 1.234321234321234e-6, "1.23432e-06" },
2239 { 1.234321234321234e-5, "1.23432e-05" },
2240 { 1.234321234321234e-4, "0.000123432" },
2241 { 1.234321234321234e-3, "0.00123432" },
2242 { 1.234321234321234e-2, "0.0123432" },
2243 { 1.234321234321234e-1, "0.123432" },
2244 { 1.234321234321234, "1.23432" },
2245 { 1.234321234321234e1, "12.3432" },
2246 { 1.234321234321234e2, "123.432" },
2247 { 1.234321234321234e3, "1234.32" },
2248 { 1.234321234321234e4, "12343.2" },
2249 { 1.234321234321234e5, "123432" },
2250 { 1.234321234321234e6, "1.23432e+06" },
2251 { 1.234321234321234e7, "1.23432e+07" },
2252 { 1.234321234321234e8, "1.23432e+08" },
2253 { 1.234321234321234e9, "1.23432e+09" },
2254 { 1.234321234321234e10, "1.23432e+10" },
2255 { 1.234321234321234e11, "1.23432e+11" },
2256 { 1.234321234321234e12, "1.23432e+12" },
2257 { 1.234321234321234e13, "1.23432e+13" },
2258 { 1.234321234321234e14, "1.23432e+14" },
2259 { 1.234321234321234e15, "1.23432e+15" },
2260 { 1.234321234321234e16, "1.23432e+16" },
2261 { 1.234321234321234e17, "1.23432e+17" },
2262 { 1.234321234321234e18, "1.23432e+18" },
2263 { 1.234321234321234e19, "1.23432e+19" },
2264 { 1.234321234321234e20, "1.23432e+20" },
2265 { 1.234321234321234e21, "1.23432e+21" },
2266 { 1.234321234321234e22, "1.23432e+22" },
2267 { 1.234321234321234e23, "1.23432e+23" },
2268 { 1.234321234321234e24, "1.23432e+24" },
2269 { 1.234321234321234e25, "1.23432e+25" },
2270 { 1.234321234321234e26, "1.23432e+26" },
2271 { 1.234321234321234e27, "1.23432e+27" },
2272 { 1.234321234321234e28, "1.23432e+28" },
2273 { 1.234321234321234e29, "1.23432e+29" },
2274 { 1.234321234321234e30, "1.23432e+30" },
2275 { 1.234321234321234e31, "1.23432e+31" },
2276 { 1.234321234321234e32, "1.23432e+32" },
2277 { 1.234321234321234e33, "1.23432e+33" },
2278 { 1.234321234321234e34, "1.23432e+34" },
2279 { 1.234321234321234e35, "1.23432e+35" },
2280 { 1.234321234321234e36, "1.23432e+36" }
2282 size_t k;
2283 for (k = 0; k < SIZEOF (data); k++)
2285 int retval =
2286 my_sprintf (result, "%g", data[k].value);
2287 const char *expected = data[k].string;
2288 ASSERT (strcmp (result, expected) == 0
2289 /* Some implementations produce exponents with 3 digits. */
2290 || (expected[strlen (expected) - 4] == 'e'
2291 && strlen (result) == strlen (expected) + 1
2292 && memcmp (result, expected, strlen (expected) - 2) == 0
2293 && result[strlen (expected) - 2] == '0'
2294 && strcmp (result + strlen (expected) - 1,
2295 expected + strlen (expected) - 2)
2296 == 0));
2297 ASSERT (retval == strlen (result));
2301 { /* A negative number. */
2302 int retval =
2303 my_sprintf (result, "%g %d", -0.03125, 33, 44, 55);
2304 ASSERT (strcmp (result, "-0.03125 33") == 0);
2305 ASSERT (retval == strlen (result));
2308 { /* Positive zero. */
2309 int retval =
2310 my_sprintf (result, "%g %d", 0.0, 33, 44, 55);
2311 ASSERT (strcmp (result, "0 33") == 0);
2312 ASSERT (retval == strlen (result));
2315 { /* Negative zero. */
2316 int retval =
2317 my_sprintf (result, "%g %d", minus_zerod, 33, 44, 55);
2318 if (have_minus_zero ())
2319 ASSERT (strcmp (result, "-0 33") == 0);
2320 ASSERT (retval == strlen (result));
2323 { /* Positive infinity. */
2324 int retval =
2325 my_sprintf (result, "%g %d", Infinityd (), 33, 44, 55);
2326 ASSERT (strcmp (result, "inf 33") == 0
2327 || strcmp (result, "infinity 33") == 0);
2328 ASSERT (retval == strlen (result));
2331 { /* Negative infinity. */
2332 int retval =
2333 my_sprintf (result, "%g %d", - Infinityd (), 33, 44, 55);
2334 ASSERT (strcmp (result, "-inf 33") == 0
2335 || strcmp (result, "-infinity 33") == 0);
2336 ASSERT (retval == strlen (result));
2339 { /* NaN. */
2340 int retval =
2341 my_sprintf (result, "%g %d", NaNd (), 33, 44, 55);
2342 ASSERT (strlen (result) >= 3 + 3
2343 && strisnan (result, 0, strlen (result) - 3, 0)
2344 && strcmp (result + strlen (result) - 3, " 33") == 0);
2345 ASSERT (retval == strlen (result));
2347 #if HAVE_SNAND
2348 { /* Signalling NaN. */
2349 int retval =
2350 my_sprintf (result, "%g %d", SNaNd (), 33, 44, 55);
2351 ASSERT (strlen (result) >= 3 + 3
2352 && strisnan (result, 0, strlen (result) - 3, 0)
2353 && strcmp (result + strlen (result) - 3, " 33") == 0);
2354 ASSERT (retval == strlen (result));
2356 #endif
2358 { /* Width. */
2359 int retval =
2360 my_sprintf (result, "%10g %d", 1.75, 33, 44, 55);
2361 ASSERT (strcmp (result, " 1.75 33") == 0);
2362 ASSERT (retval == strlen (result));
2365 { /* Width given as argument. */
2366 int retval =
2367 my_sprintf (result, "%*g %d", 10, 1.75, 33, 44, 55);
2368 ASSERT (strcmp (result, " 1.75 33") == 0);
2369 ASSERT (retval == strlen (result));
2372 { /* Negative width given as argument (cf. FLAG_LEFT below). */
2373 int retval =
2374 my_sprintf (result, "%*g %d", -10, 1.75, 33, 44, 55);
2375 ASSERT (strcmp (result, "1.75 33") == 0);
2376 ASSERT (retval == strlen (result));
2379 { /* FLAG_LEFT. */
2380 int retval =
2381 my_sprintf (result, "%-10g %d", 1.75, 33, 44, 55);
2382 ASSERT (strcmp (result, "1.75 33") == 0);
2383 ASSERT (retval == strlen (result));
2386 { /* FLAG_SHOWSIGN. */
2387 int retval =
2388 my_sprintf (result, "%+g %d", 1.75, 33, 44, 55);
2389 ASSERT (strcmp (result, "+1.75 33") == 0);
2390 ASSERT (retval == strlen (result));
2393 { /* FLAG_SPACE. */
2394 int retval =
2395 my_sprintf (result, "% g %d", 1.75, 33, 44, 55);
2396 ASSERT (strcmp (result, " 1.75 33") == 0);
2397 ASSERT (retval == strlen (result));
2400 { /* FLAG_ALT. */
2401 int retval =
2402 my_sprintf (result, "%#g %d", 1.75, 33, 44, 55);
2403 ASSERT (strcmp (result, "1.75000 33") == 0);
2404 ASSERT (retval == strlen (result));
2407 { /* FLAG_ALT. */
2408 int retval =
2409 my_sprintf (result, "%#.g %d", 1.75, 33, 44, 55);
2410 ASSERT (strcmp (result, "2. 33") == 0);
2411 ASSERT (retval == strlen (result));
2414 { /* FLAG_ALT. */
2415 int retval =
2416 my_sprintf (result, "%#.g %d", 9.75, 33, 44, 55);
2417 ASSERT (strcmp (result, "1.e+01 33") == 0
2418 || strcmp (result, "1.e+001 33") == 0);
2419 ASSERT (retval == strlen (result));
2422 { /* FLAG_ZERO with finite number. */
2423 int retval =
2424 my_sprintf (result, "%010g %d", 1234.0, 33, 44, 55);
2425 ASSERT (strcmp (result, "0000001234 33") == 0);
2426 ASSERT (retval == strlen (result));
2429 { /* FLAG_ZERO with infinite number. */
2430 int retval =
2431 my_sprintf (result, "%015g %d", - Infinityd (), 33, 44, 55);
2432 ASSERT (strcmp (result, " -inf 33") == 0
2433 || strcmp (result, " -infinity 33") == 0);
2434 ASSERT (retval == strlen (result));
2437 { /* FLAG_ZERO with NaN. */
2438 int retval =
2439 my_sprintf (result, "%050g %d", NaNd (), 33, 44, 55);
2440 ASSERT (strlen (result) == 50 + 3
2441 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2442 && strcmp (result + strlen (result) - 3, " 33") == 0);
2443 ASSERT (retval == strlen (result));
2446 { /* Precision. */
2447 int retval =
2448 my_sprintf (result, "%.g %d", 1234.0, 33, 44, 55);
2449 ASSERT (strcmp (result, "1e+03 33") == 0
2450 || strcmp (result, "1e+003 33") == 0);
2451 ASSERT (retval == strlen (result));
2454 { /* Precision with no rounding. */
2455 int retval =
2456 my_sprintf (result, "%.5g %d", 999.951, 33, 44, 55);
2457 ASSERT (strcmp (result, "999.95 33") == 0);
2458 ASSERT (retval == strlen (result));
2461 { /* Precision with rounding. */
2462 int retval =
2463 my_sprintf (result, "%.5g %d", 999.996, 33, 44, 55);
2464 ASSERT (strcmp (result, "1000 33") == 0);
2465 ASSERT (retval == strlen (result));
2468 { /* A positive number. */
2469 int retval =
2470 my_sprintf (result, "%Lg %d", 12.75L, 33, 44, 55);
2471 ASSERT (strcmp (result, "12.75 33") == 0);
2472 ASSERT (retval == strlen (result));
2475 { /* A larger positive number. */
2476 int retval =
2477 my_sprintf (result, "%Lg %d", 1234567.0L, 33, 44, 55);
2478 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2479 || strcmp (result, "1.23457e+006 33") == 0);
2480 ASSERT (retval == strlen (result));
2483 { /* Small and large positive numbers. */
2484 static struct { long double value; const char *string; } data[] =
2486 { 1.234321234321234e-37L, "1.23432e-37" },
2487 { 1.234321234321234e-36L, "1.23432e-36" },
2488 { 1.234321234321234e-35L, "1.23432e-35" },
2489 { 1.234321234321234e-34L, "1.23432e-34" },
2490 { 1.234321234321234e-33L, "1.23432e-33" },
2491 { 1.234321234321234e-32L, "1.23432e-32" },
2492 { 1.234321234321234e-31L, "1.23432e-31" },
2493 { 1.234321234321234e-30L, "1.23432e-30" },
2494 { 1.234321234321234e-29L, "1.23432e-29" },
2495 { 1.234321234321234e-28L, "1.23432e-28" },
2496 { 1.234321234321234e-27L, "1.23432e-27" },
2497 { 1.234321234321234e-26L, "1.23432e-26" },
2498 { 1.234321234321234e-25L, "1.23432e-25" },
2499 { 1.234321234321234e-24L, "1.23432e-24" },
2500 { 1.234321234321234e-23L, "1.23432e-23" },
2501 { 1.234321234321234e-22L, "1.23432e-22" },
2502 { 1.234321234321234e-21L, "1.23432e-21" },
2503 { 1.234321234321234e-20L, "1.23432e-20" },
2504 { 1.234321234321234e-19L, "1.23432e-19" },
2505 { 1.234321234321234e-18L, "1.23432e-18" },
2506 { 1.234321234321234e-17L, "1.23432e-17" },
2507 { 1.234321234321234e-16L, "1.23432e-16" },
2508 { 1.234321234321234e-15L, "1.23432e-15" },
2509 { 1.234321234321234e-14L, "1.23432e-14" },
2510 { 1.234321234321234e-13L, "1.23432e-13" },
2511 { 1.234321234321234e-12L, "1.23432e-12" },
2512 { 1.234321234321234e-11L, "1.23432e-11" },
2513 { 1.234321234321234e-10L, "1.23432e-10" },
2514 { 1.234321234321234e-9L, "1.23432e-09" },
2515 { 1.234321234321234e-8L, "1.23432e-08" },
2516 { 1.234321234321234e-7L, "1.23432e-07" },
2517 { 1.234321234321234e-6L, "1.23432e-06" },
2518 { 1.234321234321234e-5L, "1.23432e-05" },
2519 { 1.234321234321234e-4L, "0.000123432" },
2520 { 1.234321234321234e-3L, "0.00123432" },
2521 { 1.234321234321234e-2L, "0.0123432" },
2522 { 1.234321234321234e-1L, "0.123432" },
2523 { 1.234321234321234L, "1.23432" },
2524 { 1.234321234321234e1L, "12.3432" },
2525 { 1.234321234321234e2L, "123.432" },
2526 { 1.234321234321234e3L, "1234.32" },
2527 { 1.234321234321234e4L, "12343.2" },
2528 { 1.234321234321234e5L, "123432" },
2529 { 1.234321234321234e6L, "1.23432e+06" },
2530 { 1.234321234321234e7L, "1.23432e+07" },
2531 { 1.234321234321234e8L, "1.23432e+08" },
2532 { 1.234321234321234e9L, "1.23432e+09" },
2533 { 1.234321234321234e10L, "1.23432e+10" },
2534 { 1.234321234321234e11L, "1.23432e+11" },
2535 { 1.234321234321234e12L, "1.23432e+12" },
2536 { 1.234321234321234e13L, "1.23432e+13" },
2537 { 1.234321234321234e14L, "1.23432e+14" },
2538 { 1.234321234321234e15L, "1.23432e+15" },
2539 { 1.234321234321234e16L, "1.23432e+16" },
2540 { 1.234321234321234e17L, "1.23432e+17" },
2541 { 1.234321234321234e18L, "1.23432e+18" },
2542 { 1.234321234321234e19L, "1.23432e+19" },
2543 { 1.234321234321234e20L, "1.23432e+20" },
2544 { 1.234321234321234e21L, "1.23432e+21" },
2545 { 1.234321234321234e22L, "1.23432e+22" },
2546 { 1.234321234321234e23L, "1.23432e+23" },
2547 { 1.234321234321234e24L, "1.23432e+24" },
2548 { 1.234321234321234e25L, "1.23432e+25" },
2549 { 1.234321234321234e26L, "1.23432e+26" },
2550 { 1.234321234321234e27L, "1.23432e+27" },
2551 { 1.234321234321234e28L, "1.23432e+28" },
2552 { 1.234321234321234e29L, "1.23432e+29" },
2553 { 1.234321234321234e30L, "1.23432e+30" },
2554 { 1.234321234321234e31L, "1.23432e+31" },
2555 { 1.234321234321234e32L, "1.23432e+32" },
2556 { 1.234321234321234e33L, "1.23432e+33" },
2557 { 1.234321234321234e34L, "1.23432e+34" },
2558 { 1.234321234321234e35L, "1.23432e+35" },
2559 { 1.234321234321234e36L, "1.23432e+36" }
2561 size_t k;
2562 for (k = 0; k < SIZEOF (data); k++)
2564 int retval =
2565 my_sprintf (result, "%Lg", data[k].value);
2566 const char *expected = data[k].string;
2567 ASSERT (strcmp (result, expected) == 0
2568 /* Some implementations produce exponents with 3 digits. */
2569 || (expected[strlen (expected) - 4] == 'e'
2570 && strlen (result) == strlen (expected) + 1
2571 && memcmp (result, expected, strlen (expected) - 2) == 0
2572 && result[strlen (expected) - 2] == '0'
2573 && strcmp (result + strlen (expected) - 1,
2574 expected + strlen (expected) - 2)
2575 == 0));
2576 ASSERT (retval == strlen (result));
2580 { /* A negative number. */
2581 int retval =
2582 my_sprintf (result, "%Lg %d", -0.03125L, 33, 44, 55);
2583 ASSERT (strcmp (result, "-0.03125 33") == 0);
2584 ASSERT (retval == strlen (result));
2587 { /* Positive zero. */
2588 int retval =
2589 my_sprintf (result, "%Lg %d", 0.0L, 33, 44, 55);
2590 ASSERT (strcmp (result, "0 33") == 0);
2591 ASSERT (retval == strlen (result));
2594 { /* Negative zero. */
2595 int retval =
2596 my_sprintf (result, "%Lg %d", minus_zerol, 33, 44, 55);
2597 if (have_minus_zero ())
2598 ASSERT (strcmp (result, "-0 33") == 0);
2599 ASSERT (retval == strlen (result));
2602 { /* Positive infinity. */
2603 int retval =
2604 my_sprintf (result, "%Lg %d", Infinityl (), 33, 44, 55);
2605 ASSERT (strcmp (result, "inf 33") == 0
2606 || strcmp (result, "infinity 33") == 0);
2607 ASSERT (retval == strlen (result));
2610 { /* Negative infinity. */
2611 int retval =
2612 my_sprintf (result, "%Lg %d", - Infinityl (), 33, 44, 55);
2613 ASSERT (strcmp (result, "-inf 33") == 0
2614 || strcmp (result, "-infinity 33") == 0);
2615 ASSERT (retval == strlen (result));
2618 { /* NaN. */
2619 int retval =
2620 my_sprintf (result, "%Lg %d", NaNl (), 33, 44, 55);
2621 ASSERT (strlen (result) >= 3 + 3
2622 && strisnan (result, 0, strlen (result) - 3, 0)
2623 && strcmp (result + strlen (result) - 3, " 33") == 0);
2624 ASSERT (retval == strlen (result));
2626 #if HAVE_SNANL
2627 { /* Signalling NaN. */
2628 int retval =
2629 my_sprintf (result, "%Lg %d", SNaNl (), 33, 44, 55);
2630 ASSERT (strlen (result) >= 3 + 3
2631 && strisnan (result, 0, strlen (result) - 3, 0)
2632 && strcmp (result + strlen (result) - 3, " 33") == 0);
2633 ASSERT (retval == strlen (result));
2635 #endif
2636 #if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
2637 { /* Quiet NaN. */
2638 static union { unsigned int word[4]; long double value; } x =
2639 { .word = LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2640 int retval =
2641 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
2642 ASSERT (strlen (result) >= 3 + 3
2643 && strisnan (result, 0, strlen (result) - 3, 0)
2644 && strcmp (result + strlen (result) - 3, " 33") == 0);
2645 ASSERT (retval == strlen (result));
2648 /* Signalling NaN. */
2649 static union { unsigned int word[4]; long double value; } x =
2650 { .word = LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2651 int retval =
2652 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
2653 ASSERT (strlen (result) >= 3 + 3
2654 && strisnan (result, 0, strlen (result) - 3, 0)
2655 && strcmp (result + strlen (result) - 3, " 33") == 0);
2656 ASSERT (retval == strlen (result));
2658 /* sprintf should print something for noncanonical values. */
2659 { /* Pseudo-NaN. */
2660 static union { unsigned int word[4]; long double value; } x =
2661 { .word = LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2662 int retval =
2663 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2664 ASSERT (retval == strlen (result));
2665 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
2667 { /* Pseudo-Infinity. */
2668 static union { unsigned int word[4]; long double value; } x =
2669 { .word = LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2670 int retval =
2671 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2672 ASSERT (retval == strlen (result));
2673 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
2675 { /* Pseudo-Zero. */
2676 static union { unsigned int word[4]; long double value; } x =
2677 { .word = LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2678 int retval =
2679 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2680 ASSERT (retval == strlen (result));
2681 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
2683 { /* Unnormalized number. */
2684 static union { unsigned int word[4]; long double value; } x =
2685 { .word = LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2686 int retval =
2687 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2688 ASSERT (retval == strlen (result));
2689 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
2691 { /* Pseudo-Denormal. */
2692 static union { unsigned int word[4]; long double value; } x =
2693 { .word = LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2694 int retval =
2695 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2696 ASSERT (retval == strlen (result));
2697 ASSERT (3 < retval && strcmp (result + retval - 3, " 33") == 0);
2699 #endif
2701 { /* Width. */
2702 int retval =
2703 my_sprintf (result, "%10Lg %d", 1.75L, 33, 44, 55);
2704 ASSERT (strcmp (result, " 1.75 33") == 0);
2705 ASSERT (retval == strlen (result));
2708 { /* Width given as argument. */
2709 int retval =
2710 my_sprintf (result, "%*Lg %d", 10, 1.75L, 33, 44, 55);
2711 ASSERT (strcmp (result, " 1.75 33") == 0);
2712 ASSERT (retval == strlen (result));
2715 { /* Negative width given as argument (cf. FLAG_LEFT below). */
2716 int retval =
2717 my_sprintf (result, "%*Lg %d", -10, 1.75L, 33, 44, 55);
2718 ASSERT (strcmp (result, "1.75 33") == 0);
2719 ASSERT (retval == strlen (result));
2722 { /* FLAG_LEFT. */
2723 int retval =
2724 my_sprintf (result, "%-10Lg %d", 1.75L, 33, 44, 55);
2725 ASSERT (strcmp (result, "1.75 33") == 0);
2726 ASSERT (retval == strlen (result));
2729 { /* FLAG_SHOWSIGN. */
2730 int retval =
2731 my_sprintf (result, "%+Lg %d", 1.75L, 33, 44, 55);
2732 ASSERT (strcmp (result, "+1.75 33") == 0);
2733 ASSERT (retval == strlen (result));
2736 { /* FLAG_SPACE. */
2737 int retval =
2738 my_sprintf (result, "% Lg %d", 1.75L, 33, 44, 55);
2739 ASSERT (strcmp (result, " 1.75 33") == 0);
2740 ASSERT (retval == strlen (result));
2743 { /* FLAG_ALT. */
2744 int retval =
2745 my_sprintf (result, "%#Lg %d", 1.75L, 33, 44, 55);
2746 ASSERT (strcmp (result, "1.75000 33") == 0);
2747 ASSERT (retval == strlen (result));
2750 { /* FLAG_ALT. */
2751 int retval =
2752 my_sprintf (result, "%#.Lg %d", 1.75L, 33, 44, 55);
2753 ASSERT (strcmp (result, "2. 33") == 0);
2754 ASSERT (retval == strlen (result));
2757 { /* FLAG_ALT. */
2758 int retval =
2759 my_sprintf (result, "%#.Lg %d", 9.75L, 33, 44, 55);
2760 ASSERT (strcmp (result, "1.e+01 33") == 0
2761 || strcmp (result, "1.e+001 33") == 0);
2762 ASSERT (retval == strlen (result));
2765 { /* FLAG_ZERO with finite number. */
2766 int retval =
2767 my_sprintf (result, "%010Lg %d", 1234.0L, 33, 44, 55);
2768 ASSERT (strcmp (result, "0000001234 33") == 0);
2769 ASSERT (retval == strlen (result));
2772 { /* FLAG_ZERO with infinite number. */
2773 int retval =
2774 my_sprintf (result, "%015Lg %d", - Infinityl (), 33, 44, 55);
2775 ASSERT (strcmp (result, " -inf 33") == 0
2776 || strcmp (result, " -infinity 33") == 0);
2777 ASSERT (retval == strlen (result));
2780 { /* FLAG_ZERO with NaN. */
2781 int retval =
2782 my_sprintf (result, "%050Lg %d", NaNl (), 33, 44, 55);
2783 ASSERT (strlen (result) == 50 + 3
2784 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2785 && strcmp (result + strlen (result) - 3, " 33") == 0);
2786 ASSERT (retval == strlen (result));
2789 { /* Precision. */
2790 int retval =
2791 my_sprintf (result, "%.Lg %d", 1234.0L, 33, 44, 55);
2792 ASSERT (strcmp (result, "1e+03 33") == 0
2793 || strcmp (result, "1e+003 33") == 0);
2794 ASSERT (retval == strlen (result));
2797 { /* Precision with no rounding. */
2798 int retval =
2799 my_sprintf (result, "%.5Lg %d", 999.951L, 33, 44, 55);
2800 ASSERT (strcmp (result, "999.95 33") == 0);
2801 ASSERT (retval == strlen (result));
2804 { /* Precision with rounding. */
2805 int retval =
2806 my_sprintf (result, "%.5Lg %d", 999.996L, 33, 44, 55);
2807 ASSERT (strcmp (result, "1000 33") == 0);
2808 ASSERT (retval == strlen (result));
2811 #if NEED_PRINTF_WITH_N_DIRECTIVE
2812 /* Test the support of the %n format directive. */
2815 int count = -1;
2816 int retval =
2817 my_sprintf (result, "%d %n", 123, &count, 33, 44, 55);
2818 ASSERT (strcmp (result, "123 ") == 0);
2819 ASSERT (retval == strlen (result));
2820 ASSERT (count == 4);
2822 #endif
2824 /* Test the support of the POSIX/XSI format strings with positions. */
2827 int retval =
2828 my_sprintf (result, "%2$d %1$d", 33, 55);
2829 ASSERT (strcmp (result, "55 33") == 0);
2830 ASSERT (retval == strlen (result));
2833 /* Test the support of the grouping flag. */
2836 int retval =
2837 my_sprintf (result, "%'d %d", 1234567, 99);
2838 ASSERT (result[strlen (result) - 1] == '9');
2839 ASSERT (retval == strlen (result));
2842 /* Test the support of the left-adjust flag. */
2845 int retval =
2846 my_sprintf (result, "a%*sc", -3, "b");
2847 ASSERT (strcmp (result, "ab c") == 0);
2848 ASSERT (retval == strlen (result));
2852 int retval =
2853 my_sprintf (result, "a%-*sc", 3, "b");
2854 ASSERT (strcmp (result, "ab c") == 0);
2855 ASSERT (retval == strlen (result));
2859 int retval =
2860 my_sprintf (result, "a%-*sc", -3, "b");
2861 ASSERT (strcmp (result, "ab c") == 0);
2862 ASSERT (retval == strlen (result));
2865 /* Test the support of large precision. */
2868 int retval =
2869 my_sprintf (result, "%.4000d %d", 1234567, 99);
2870 size_t i;
2871 for (i = 0; i < 4000 - 7; i++)
2872 ASSERT (result[i] == '0');
2873 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
2874 ASSERT (retval == strlen (result));
2878 int retval =
2879 my_sprintf (result, "%.*d %d", 4000, 1234567, 99);
2880 size_t i;
2881 for (i = 0; i < 4000 - 7; i++)
2882 ASSERT (result[i] == '0');
2883 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
2884 ASSERT (retval == strlen (result));
2888 int retval =
2889 my_sprintf (result, "%.4000d %d", -1234567, 99);
2890 size_t i;
2891 ASSERT (result[0] == '-');
2892 for (i = 0; i < 4000 - 7; i++)
2893 ASSERT (result[1 + i] == '0');
2894 ASSERT (strcmp (result + 1 + 4000 - 7, "1234567 99") == 0);
2895 ASSERT (retval == strlen (result));
2899 int retval =
2900 my_sprintf (result, "%.4000u %d", 1234567, 99);
2901 size_t i;
2902 for (i = 0; i < 4000 - 7; i++)
2903 ASSERT (result[i] == '0');
2904 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
2905 ASSERT (retval == strlen (result));
2909 int retval =
2910 my_sprintf (result, "%.4000o %d", 1234567, 99);
2911 size_t i;
2912 for (i = 0; i < 4000 - 7; i++)
2913 ASSERT (result[i] == '0');
2914 ASSERT (strcmp (result + 4000 - 7, "4553207 99") == 0);
2915 ASSERT (retval == strlen (result));
2919 int retval =
2920 my_sprintf (result, "%.4000x %d", 1234567, 99);
2921 size_t i;
2922 for (i = 0; i < 4000 - 6; i++)
2923 ASSERT (result[i] == '0');
2924 ASSERT (strcmp (result + 4000 - 6, "12d687 99") == 0);
2925 ASSERT (retval == strlen (result));
2929 int retval =
2930 my_sprintf (result, "%#.4000x %d", 1234567, 99);
2931 size_t i;
2932 ASSERT (result[0] == '0');
2933 ASSERT (result[1] == 'x');
2934 for (i = 0; i < 4000 - 6; i++)
2935 ASSERT (result[2 + i] == '0');
2936 ASSERT (strcmp (result + 2 + 4000 - 6, "12d687 99") == 0);
2937 ASSERT (retval == strlen (result));
2941 int retval =
2942 my_sprintf (result, "%.4000f %d", 1.0, 99);
2943 size_t i;
2944 ASSERT (result[0] == '1');
2945 ASSERT (result[1] == '.');
2946 for (i = 0; i < 4000; i++)
2947 ASSERT (result[2 + i] == '0');
2948 ASSERT (strcmp (result + 2 + 4000, " 99") == 0);
2949 ASSERT (retval == strlen (result));
2953 int retval =
2954 my_sprintf (result, "%.511f %d", 1.0, 99);
2955 size_t i;
2956 ASSERT (result[0] == '1');
2957 ASSERT (result[1] == '.');
2958 for (i = 0; i < 511; i++)
2959 ASSERT (result[2 + i] == '0');
2960 ASSERT (strcmp (result + 2 + 511, " 99") == 0);
2961 ASSERT (retval == strlen (result));
2965 char input[5000];
2966 int retval;
2967 size_t i;
2969 for (i = 0; i < sizeof (input) - 1; i++)
2970 input[i] = 'a' + ((1000000 / (i + 1)) % 26);
2971 input[i] = '\0';
2972 retval = my_sprintf (result, "%.4000s %d", input, 99);
2973 ASSERT (memcmp (result, input, 4000) == 0);
2974 ASSERT (strcmp (result + 4000, " 99") == 0);
2975 ASSERT (retval == strlen (result));
2978 /* Test the support of the %s format directive. */
2980 { /* Width. */
2981 int retval =
2982 my_sprintf (result, "%10s %d", "xyz", 33, 44, 55);
2983 ASSERT (strcmp (result, " xyz 33") == 0);
2984 ASSERT (retval == strlen (result));
2987 { /* Width given as argument. */
2988 int retval =
2989 my_sprintf (result, "%*s %d", 10, "xyz", 33, 44, 55);
2990 ASSERT (strcmp (result, " xyz 33") == 0);
2991 ASSERT (retval == strlen (result));
2994 { /* Negative width given as argument (cf. FLAG_LEFT below). */
2995 int retval =
2996 my_sprintf (result, "%*s %d", -10, "xyz", 33, 44, 55);
2997 ASSERT (strcmp (result, "xyz 33") == 0);
2998 ASSERT (retval == strlen (result));
3001 { /* FLAG_LEFT. */
3002 int retval =
3003 my_sprintf (result, "%-10s %d", "xyz", 33, 44, 55);
3004 ASSERT (strcmp (result, "xyz 33") == 0);
3005 ASSERT (retval == strlen (result));
3008 static wchar_t L_xyz[4] = { 'x', 'y', 'z', 0 };
3010 { /* Width. */
3011 int retval =
3012 my_sprintf (result, "%10ls %d", L_xyz, 33, 44, 55);
3013 ASSERT (strcmp (result, " xyz 33") == 0);
3014 ASSERT (retval == strlen (result));
3017 { /* Width given as argument. */
3018 int retval =
3019 my_sprintf (result, "%*ls %d", 10, L_xyz, 33, 44, 55);
3020 ASSERT (strcmp (result, " xyz 33") == 0);
3021 ASSERT (retval == strlen (result));
3024 { /* Negative width given as argument (cf. FLAG_LEFT below). */
3025 int retval =
3026 my_sprintf (result, "%*ls %d", -10, L_xyz, 33, 44, 55);
3027 ASSERT (strcmp (result, "xyz 33") == 0);
3028 ASSERT (retval == strlen (result));
3031 { /* FLAG_LEFT. */
3032 int retval =
3033 my_sprintf (result, "%-10ls %d", L_xyz, 33, 44, 55);
3034 ASSERT (strcmp (result, "xyz 33") == 0);
3035 ASSERT (retval == strlen (result));
3038 /* To verify that these tests succeed, it is necessary to run them under
3039 a tool that checks against invalid memory accesses, such as ElectricFence
3040 or "valgrind --tool=memcheck". */
3042 size_t i;
3044 for (i = 1; i <= 8; i++)
3046 char *block;
3047 int retval;
3049 block = (char *) malloc (i);
3050 memcpy (block, "abcdefgh", i);
3051 retval = my_sprintf (result, "%.*s", (int) i, block);
3052 ASSERT (memcmp (result, block, i) == 0);
3053 ASSERT (result[i] == '\0');
3054 ASSERT (retval == strlen (result));
3055 free (block);
3059 size_t i;
3061 for (i = 1; i <= 8; i++)
3063 wchar_t *block;
3064 size_t j;
3065 int retval;
3067 block = (wchar_t *) malloc (i * sizeof (wchar_t));
3068 for (j = 0; j < i; j++)
3069 block[j] = "abcdefgh"[j];
3070 retval = my_sprintf (result, "%.*ls", (int) i, block);
3071 ASSERT (memcmp (result, "abcdefgh", i) == 0);
3072 ASSERT (result[i] == '\0');
3073 ASSERT (retval == strlen (result));
3074 free (block);
3078 /* Test the support of the %c format directive. */
3080 { /* Width. */
3081 int retval =
3082 my_sprintf (result, "%10c %d", (unsigned char) 'x', 33, 44, 55);
3083 ASSERT (strcmp (result, " x 33") == 0);
3084 ASSERT (retval == strlen (result));
3087 { /* Width given as argument. */
3088 int retval =
3089 my_sprintf (result, "%*c %d", 10, (unsigned char) 'x', 33, 44, 55);
3090 ASSERT (strcmp (result, " x 33") == 0);
3091 ASSERT (retval == strlen (result));
3094 { /* Negative width given as argument (cf. FLAG_LEFT below). */
3095 int retval =
3096 my_sprintf (result, "%*c %d", -10, (unsigned char) 'x', 33, 44, 55);
3097 ASSERT (strcmp (result, "x 33") == 0);
3098 ASSERT (retval == strlen (result));
3101 { /* FLAG_LEFT. */
3102 int retval =
3103 my_sprintf (result, "%-10c %d", (unsigned char) 'x', 33, 44, 55);
3104 ASSERT (strcmp (result, "x 33") == 0);
3105 ASSERT (retval == strlen (result));
3108 { /* Precision is ignored. */
3109 int retval =
3110 my_sprintf (result, "%.0c %d", (unsigned char) 'x', 33, 44, 55);
3111 ASSERT (strcmp (result, "x 33") == 0);
3112 ASSERT (retval == strlen (result));
3115 { /* NUL character. */
3116 int retval =
3117 my_sprintf (result, "a%cz %d", '\0', 33, 44, 55);
3118 ASSERT (memcmp (result, "a\0z 33\0", 6 + 1) == 0);
3119 ASSERT (retval == 6);
3122 static wint_t L_x = (wchar_t) 'x';
3124 { /* Width. */
3125 int retval =
3126 my_sprintf (result, "%10lc %d", L_x, 33, 44, 55);
3127 ASSERT (strcmp (result, " x 33") == 0);
3128 ASSERT (retval == strlen (result));
3131 { /* Width given as argument. */
3132 int retval =
3133 my_sprintf (result, "%*lc %d", 10, L_x, 33, 44, 55);
3134 ASSERT (strcmp (result, " x 33") == 0);
3135 ASSERT (retval == strlen (result));
3138 { /* Negative width given as argument (cf. FLAG_LEFT below). */
3139 int retval =
3140 my_sprintf (result, "%*lc %d", -10, L_x, 33, 44, 55);
3141 ASSERT (strcmp (result, "x 33") == 0);
3142 ASSERT (retval == strlen (result));
3145 { /* FLAG_LEFT. */
3146 int retval =
3147 my_sprintf (result, "%-10lc %d", L_x, 33, 44, 55);
3148 ASSERT (strcmp (result, "x 33") == 0);
3149 ASSERT (retval == strlen (result));
3152 { /* Precision is ignored. */
3153 int retval =
3154 my_sprintf (result, "%.0lc %d", L_x, 33, 44, 55);
3155 ASSERT (strcmp (result, "x 33") == 0);
3156 ASSERT (retval == strlen (result));
3159 { /* NUL character. */
3160 int retval =
3161 my_sprintf (result, "a%lcz %d", (wint_t) L'\0', 33, 44, 55);
3162 /* ISO C had this wrong for decades. ISO C 23 now corrects it, through
3163 this wording:
3164 "If an l length modifier is present, the wint_t argument is converted
3165 as if by a call to the wcrtomb function with a pointer to storage of
3166 at least MB_CUR_MAX bytes, the wint_t argument converted to wchar_t,
3167 and an initial shift state." */
3168 /* This test is known to fail
3169 - on musl libc,
3170 - with gcc 14 <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114876> */
3171 ASSERT (memcmp (result, "a\0z 33\0", 6 + 1) == 0);
3172 ASSERT (retval == 6);
3175 static wint_t L_invalid = (wchar_t) 0x76543210;
3177 { /* Invalid wide character.
3178 The conversion may succeed or may fail, but it should not abort. */
3179 int retval =
3180 my_sprintf (result, "%lc %d", L_invalid, 33, 44, 55);
3181 (void) retval;
3184 { /* Invalid wide character and width.
3185 The conversion may succeed or may fail, but it should not abort. */
3186 int retval =
3187 my_sprintf (result, "%10lc %d", L_invalid, 33, 44, 55);
3188 (void) retval;
3191 /* Test the support of the 'x' conversion specifier for hexadecimal output of
3192 integers. */
3194 { /* Zero. */
3195 int retval =
3196 my_sprintf (result, "%x %d", 0, 33, 44, 55);
3197 ASSERT (strcmp (result, "0 33") == 0);
3198 ASSERT (retval == strlen (result));
3201 { /* A positive number. */
3202 int retval =
3203 my_sprintf (result, "%x %d", 12348, 33, 44, 55);
3204 ASSERT (strcmp (result, "303c 33") == 0);
3205 ASSERT (retval == strlen (result));
3208 { /* A large positive number. */
3209 int retval =
3210 my_sprintf (result, "%x %d", 0xFFFFFFFEU, 33, 44, 55);
3211 ASSERT (strcmp (result, "fffffffe 33") == 0);
3212 ASSERT (retval == strlen (result));
3215 { /* Width. */
3216 int retval =
3217 my_sprintf (result, "%10x %d", 12348, 33, 44, 55);
3218 ASSERT (strcmp (result, " 303c 33") == 0);
3219 ASSERT (retval == strlen (result));
3222 { /* Width given as argument. */
3223 int retval =
3224 my_sprintf (result, "%*x %d", 10, 12348, 33, 44, 55);
3225 ASSERT (strcmp (result, " 303c 33") == 0);
3226 ASSERT (retval == strlen (result));
3229 { /* Negative width given as argument (cf. FLAG_LEFT below). */
3230 int retval =
3231 my_sprintf (result, "%*x %d", -10, 12348, 33, 44, 55);
3232 ASSERT (strcmp (result, "303c 33") == 0);
3233 ASSERT (retval == strlen (result));
3236 { /* Precision. */
3237 int retval =
3238 my_sprintf (result, "%.10x %d", 12348, 33, 44, 55);
3239 ASSERT (strcmp (result, "000000303c 33") == 0);
3240 ASSERT (retval == strlen (result));
3243 { /* Zero precision and a positive number. */
3244 int retval =
3245 my_sprintf (result, "%.0x %d", 12348, 33, 44, 55);
3246 ASSERT (strcmp (result, "303c 33") == 0);
3247 ASSERT (retval == strlen (result));
3250 { /* Zero precision and a zero number. */
3251 int retval =
3252 my_sprintf (result, "%.0x %d", 0, 33, 44, 55);
3253 /* ISO C and POSIX specify that "The result of converting a zero value
3254 with a precision of zero is no characters." */
3255 ASSERT (strcmp (result, " 33") == 0);
3256 ASSERT (retval == strlen (result));
3259 { /* Width and precision. */
3260 int retval =
3261 my_sprintf (result, "%15.10x %d", 12348, 33, 44, 55);
3262 ASSERT (strcmp (result, " 000000303c 33") == 0);
3263 ASSERT (retval == strlen (result));
3266 { /* Padding and precision. */
3267 int retval =
3268 my_sprintf (result, "%015.10x %d", 12348, 33, 44, 55);
3269 /* ISO C 99 § 7.19.6.1.(6) says: "For d, i, o, u, x, and X conversions, if a
3270 precision is specified, the 0 flag is ignored." */
3271 ASSERT (strcmp (result, " 000000303c 33") == 0);
3272 ASSERT (retval == strlen (result));
3275 { /* FLAG_LEFT. */
3276 int retval =
3277 my_sprintf (result, "%-10x %d", 12348, 33, 44, 55);
3278 ASSERT (strcmp (result, "303c 33") == 0);
3279 ASSERT (retval == strlen (result));
3282 { /* FLAG_ALT with zero. */
3283 int retval =
3284 my_sprintf (result, "%#x %d", 0, 33, 44, 55);
3285 ASSERT (strcmp (result, "0 33") == 0);
3286 ASSERT (retval == strlen (result));
3289 { /* FLAG_ALT with a positive number. */
3290 int retval =
3291 my_sprintf (result, "%#x %d", 12348, 33, 44, 55);
3292 ASSERT (strcmp (result, "0x303c 33") == 0);
3293 ASSERT (retval == strlen (result));
3296 { /* FLAG_ALT with a positive number and width. */
3297 int retval =
3298 my_sprintf (result, "%#10x %d", 12348, 33, 44, 55);
3299 ASSERT (strcmp (result, " 0x303c 33") == 0);
3300 ASSERT (retval == strlen (result));
3303 { /* FLAG_ALT with a positive number and padding. */
3304 int retval =
3305 my_sprintf (result, "%0#10x %d", 12348, 33, 44, 55);
3306 ASSERT (strcmp (result, "0x0000303c 33") == 0);
3307 ASSERT (retval == strlen (result));
3310 { /* FLAG_ALT with a positive number and precision. */
3311 int retval =
3312 my_sprintf (result, "%0#.10x %d", 12348, 33, 44, 55);
3313 ASSERT (strcmp (result, "0x000000303c 33") == 0);
3314 ASSERT (retval == strlen (result));
3317 { /* FLAG_ALT with a positive number and width and precision. */
3318 int retval =
3319 my_sprintf (result, "%#15.10x %d", 12348, 33, 44, 55);
3320 ASSERT (strcmp (result, " 0x000000303c 33") == 0);
3321 ASSERT (retval == strlen (result));
3324 { /* FLAG_ALT with a positive number and padding and precision. */
3325 int retval =
3326 my_sprintf (result, "%0#15.10x %d", 12348, 33, 44, 55);
3327 /* ISO C 99 § 7.19.6.1.(6) says: "For d, i, o, u, x, and X conversions, if a
3328 precision is specified, the 0 flag is ignored." */
3329 ASSERT (strcmp (result, " 0x000000303c 33") == 0);
3330 ASSERT (retval == strlen (result));
3333 { /* FLAG_ALT with a zero precision and a zero number. */
3334 int retval =
3335 my_sprintf (result, "%#.0x %d", 0, 33, 44, 55);
3336 /* ISO C and POSIX specify that "The result of converting a zero value
3337 with a precision of zero is no characters.", and the prefix is added
3338 only for non-zero values. */
3339 ASSERT (strcmp (result, " 33") == 0);
3340 ASSERT (retval == strlen (result));
3343 { /* Uppercase 'X'. */
3344 int retval =
3345 my_sprintf (result, "%X %d", 12348, 33, 44, 55);
3346 ASSERT (strcmp (result, "303C 33") == 0);
3347 ASSERT (retval == strlen (result));
3350 { /* Uppercase 'X' with FLAG_ALT. */
3351 int retval =
3352 my_sprintf (result, "%#X %d", 12348, 33, 44, 55);
3353 ASSERT (strcmp (result, "0X303C 33") == 0);
3354 ASSERT (retval == strlen (result));
3357 { /* Uppercase 'X' with FLAG_ALT and zero precision and a zero number. */
3358 int retval =
3359 my_sprintf (result, "%#.0X %d", 0, 33, 44, 55);
3360 /* ISO C and POSIX specify that "The result of converting a zero value
3361 with a precision of zero is no characters.", and the prefix is added
3362 only for non-zero values. */
3363 ASSERT (strcmp (result, " 33") == 0);
3364 ASSERT (retval == strlen (result));
3367 /* Test the support of the 'b' conversion specifier for binary output of
3368 integers. */
3370 { /* Zero. */
3371 int retval =
3372 my_sprintf (result, "%b %d", 0, 33, 44, 55);
3373 ASSERT (strcmp (result, "0 33") == 0);
3374 ASSERT (retval == strlen (result));
3377 { /* A positive number. */
3378 int retval =
3379 my_sprintf (result, "%b %d", 12345, 33, 44, 55);
3380 ASSERT (strcmp (result, "11000000111001 33") == 0);
3381 ASSERT (retval == strlen (result));
3384 { /* A large positive number. */
3385 int retval =
3386 my_sprintf (result, "%b %d", 0xFFFFFFFEU, 33, 44, 55);
3387 ASSERT (strcmp (result, "11111111111111111111111111111110 33") == 0);
3388 ASSERT (retval == strlen (result));
3391 { /* Width. */
3392 int retval =
3393 my_sprintf (result, "%20b %d", 12345, 33, 44, 55);
3394 ASSERT (strcmp (result, " 11000000111001 33") == 0);
3395 ASSERT (retval == strlen (result));
3398 { /* Width given as argument. */
3399 int retval =
3400 my_sprintf (result, "%*b %d", 20, 12345, 33, 44, 55);
3401 ASSERT (strcmp (result, " 11000000111001 33") == 0);
3402 ASSERT (retval == strlen (result));
3405 { /* Negative width given as argument (cf. FLAG_LEFT below). */
3406 int retval =
3407 my_sprintf (result, "%*b %d", -20, 12345, 33, 44, 55);
3408 ASSERT (strcmp (result, "11000000111001 33") == 0);
3409 ASSERT (retval == strlen (result));
3412 { /* Precision. */
3413 int retval =
3414 my_sprintf (result, "%.20b %d", 12345, 33, 44, 55);
3415 ASSERT (strcmp (result, "00000011000000111001 33") == 0);
3416 ASSERT (retval == strlen (result));
3419 { /* Zero precision and a positive number. */
3420 int retval =
3421 my_sprintf (result, "%.0b %d", 12345, 33, 44, 55);
3422 ASSERT (strcmp (result, "11000000111001 33") == 0);
3423 ASSERT (retval == strlen (result));
3426 { /* Zero precision and a zero number. */
3427 int retval =
3428 my_sprintf (result, "%.0b %d", 0, 33, 44, 55);
3429 /* ISO C and POSIX specify that "The result of converting a zero value
3430 with a precision of zero is no characters." */
3431 ASSERT (strcmp (result, " 33") == 0);
3432 ASSERT (retval == strlen (result));
3435 { /* Width and precision. */
3436 int retval =
3437 my_sprintf (result, "%25.20b %d", 12345, 33, 44, 55);
3438 ASSERT (strcmp (result, " 00000011000000111001 33") == 0);
3439 ASSERT (retval == strlen (result));
3442 { /* Padding and precision. */
3443 int retval =
3444 my_sprintf (result, "%025.20b %d", 12345, 33, 44, 55);
3445 /* Neither ISO C nor POSIX specify that the '0' flag is ignored when
3446 a width and a precision are both present. But implementations do so. */
3447 ASSERT (strcmp (result, " 00000011000000111001 33") == 0);
3448 ASSERT (retval == strlen (result));
3451 { /* FLAG_LEFT. */
3452 int retval =
3453 my_sprintf (result, "%-20b %d", 12345, 33, 44, 55);
3454 ASSERT (strcmp (result, "11000000111001 33") == 0);
3455 ASSERT (retval == strlen (result));
3458 { /* FLAG_ALT with zero. */
3459 int retval =
3460 my_sprintf (result, "%#b %d", 0, 33, 44, 55);
3461 ASSERT (strcmp (result, "0 33") == 0);
3462 ASSERT (retval == strlen (result));
3465 { /* FLAG_ALT with a positive number. */
3466 int retval =
3467 my_sprintf (result, "%#b %d", 12345, 33, 44, 55);
3468 ASSERT (strcmp (result, "0b11000000111001 33") == 0);
3469 ASSERT (retval == strlen (result));
3472 { /* FLAG_ALT with a positive number and width. */
3473 int retval =
3474 my_sprintf (result, "%#20b %d", 12345, 33, 44, 55);
3475 ASSERT (strcmp (result, " 0b11000000111001 33") == 0);
3476 ASSERT (retval == strlen (result));
3479 { /* FLAG_ALT with a positive number and padding. */
3480 int retval =
3481 my_sprintf (result, "%0#20b %d", 12345, 33, 44, 55);
3482 ASSERT (strcmp (result, "0b000011000000111001 33") == 0);
3483 ASSERT (retval == strlen (result));
3486 { /* FLAG_ALT with a positive number and precision. */
3487 int retval =
3488 my_sprintf (result, "%0#.20b %d", 12345, 33, 44, 55);
3489 ASSERT (strcmp (result, "0b00000011000000111001 33") == 0);
3490 ASSERT (retval == strlen (result));
3493 { /* FLAG_ALT with a positive number and width and precision. */
3494 int retval =
3495 my_sprintf (result, "%#25.20b %d", 12345, 33, 44, 55);
3496 ASSERT (strcmp (result, " 0b00000011000000111001 33") == 0);
3497 ASSERT (retval == strlen (result));
3500 { /* FLAG_ALT with a positive number and padding and precision. */
3501 int retval =
3502 my_sprintf (result, "%0#25.20b %d", 12345, 33, 44, 55);
3503 /* Neither ISO C nor POSIX specify that the '0' flag is ignored when
3504 a width and a precision are both present. But implementations do so. */
3505 ASSERT (strcmp (result, " 0b00000011000000111001 33") == 0);
3506 ASSERT (retval == strlen (result));
3509 { /* FLAG_ALT with a zero precision and a zero number. */
3510 int retval =
3511 my_sprintf (result, "%#.0b %d", 0, 33, 44, 55);
3512 /* ISO C and POSIX specify that "The result of converting a zero value
3513 with a precision of zero is no characters.", and the prefix is added
3514 only for non-zero values. */
3515 ASSERT (strcmp (result, " 33") == 0);
3516 ASSERT (retval == strlen (result));
3519 /* Test the support of argument type/size specifiers for signed integer
3520 conversions. */
3523 int retval =
3524 my_sprintf (result, "%hhd %d", (signed char) -42, 33, 44, 55);
3525 ASSERT (strcmp (result, "-42 33") == 0);
3526 ASSERT (retval == strlen (result));
3530 int retval =
3531 my_sprintf (result, "%hd %d", (short) -12345, 33, 44, 55);
3532 ASSERT (strcmp (result, "-12345 33") == 0);
3533 ASSERT (retval == strlen (result));
3537 int retval =
3538 my_sprintf (result, "%d %d", -12345, 33, 44, 55);
3539 ASSERT (strcmp (result, "-12345 33") == 0);
3540 ASSERT (retval == strlen (result));
3544 int retval =
3545 my_sprintf (result, "%ld %d", (long int) -12345, 33, 44, 55);
3546 ASSERT (strcmp (result, "-12345 33") == 0);
3547 ASSERT (retval == strlen (result));
3551 int retval =
3552 my_sprintf (result, "%lld %d", (long long int) -12345, 33, 44, 55);
3553 ASSERT (strcmp (result, "-12345 33") == 0);
3554 ASSERT (retval == strlen (result));
3558 int retval =
3559 my_sprintf (result, "%w8d %d", (int8_t) -42, 33, 44, 55);
3560 ASSERT (strcmp (result, "-42 33") == 0);
3561 ASSERT (retval == strlen (result));
3565 int retval =
3566 my_sprintf (result, "%w16d %d", (int16_t) -12345, 33, 44, 55);
3567 ASSERT (strcmp (result, "-12345 33") == 0);
3568 ASSERT (retval == strlen (result));
3572 int retval =
3573 my_sprintf (result, "%w32d %d", (int32_t) -12345, 33, 44, 55);
3574 ASSERT (strcmp (result, "-12345 33") == 0);
3575 ASSERT (retval == strlen (result));
3579 int retval =
3580 my_sprintf (result, "%w64d %d", (int64_t) -12345, 33, 44, 55);
3581 ASSERT (strcmp (result, "-12345 33") == 0);
3582 ASSERT (retval == strlen (result));
3586 int retval =
3587 my_sprintf (result, "%wf8d %d", (int_fast8_t) -42, 33, 44, 55);
3588 ASSERT (strcmp (result, "-42 33") == 0);
3589 ASSERT (retval == strlen (result));
3593 int retval =
3594 my_sprintf (result, "%wf16d %d", (int_fast16_t) -12345, 33, 44, 55);
3595 ASSERT (strcmp (result, "-12345 33") == 0);
3596 ASSERT (retval == strlen (result));
3600 int retval =
3601 my_sprintf (result, "%wf32d %d", (int_fast32_t) -12345, 33, 44, 55);
3602 ASSERT (strcmp (result, "-12345 33") == 0);
3603 ASSERT (retval == strlen (result));
3607 int retval =
3608 my_sprintf (result, "%wf64d %d", (int_fast64_t) -12345, 33, 44, 55);
3609 ASSERT (strcmp (result, "-12345 33") == 0);
3610 ASSERT (retval == strlen (result));
3613 /* Test the support of argument type/size specifiers for unsigned integer
3614 conversions: %u */
3617 int retval =
3618 my_sprintf (result, "%hhu %d", (unsigned char) 42, 33, 44, 55);
3619 ASSERT (strcmp (result, "42 33") == 0);
3620 ASSERT (retval == strlen (result));
3624 int retval =
3625 my_sprintf (result, "%hu %d", (unsigned short) 12345, 33, 44, 55);
3626 ASSERT (strcmp (result, "12345 33") == 0);
3627 ASSERT (retval == strlen (result));
3631 int retval =
3632 my_sprintf (result, "%u %d", (unsigned int) 12345, 33, 44, 55);
3633 ASSERT (strcmp (result, "12345 33") == 0);
3634 ASSERT (retval == strlen (result));
3638 int retval =
3639 my_sprintf (result, "%lu %d", (unsigned long int) 12345, 33, 44, 55);
3640 ASSERT (strcmp (result, "12345 33") == 0);
3641 ASSERT (retval == strlen (result));
3645 int retval =
3646 my_sprintf (result, "%llu %d", (unsigned long long int) 12345, 33, 44, 55);
3647 ASSERT (strcmp (result, "12345 33") == 0);
3648 ASSERT (retval == strlen (result));
3652 int retval =
3653 my_sprintf (result, "%w8u %d", (uint8_t) 42, 33, 44, 55);
3654 ASSERT (strcmp (result, "42 33") == 0);
3655 ASSERT (retval == strlen (result));
3659 int retval =
3660 my_sprintf (result, "%w16u %d", (uint16_t) 12345, 33, 44, 55);
3661 ASSERT (strcmp (result, "12345 33") == 0);
3662 ASSERT (retval == strlen (result));
3666 int retval =
3667 my_sprintf (result, "%w32u %d", (uint32_t) 12345, 33, 44, 55);
3668 ASSERT (strcmp (result, "12345 33") == 0);
3669 ASSERT (retval == strlen (result));
3673 int retval =
3674 my_sprintf (result, "%w64u %d", (uint64_t) 12345, 33, 44, 55);
3675 ASSERT (strcmp (result, "12345 33") == 0);
3676 ASSERT (retval == strlen (result));
3680 int retval =
3681 my_sprintf (result, "%wf8u %d", (uint_fast8_t) 42, 33, 44, 55);
3682 ASSERT (strcmp (result, "42 33") == 0);
3683 ASSERT (retval == strlen (result));
3687 int retval =
3688 my_sprintf (result, "%wf16u %d", (uint_fast16_t) 12345, 33, 44, 55);
3689 ASSERT (strcmp (result, "12345 33") == 0);
3690 ASSERT (retval == strlen (result));
3694 int retval =
3695 my_sprintf (result, "%wf32u %d", (uint_fast32_t) 12345, 33, 44, 55);
3696 ASSERT (strcmp (result, "12345 33") == 0);
3697 ASSERT (retval == strlen (result));
3701 int retval =
3702 my_sprintf (result, "%wf64u %d", (uint_fast64_t) 12345, 33, 44, 55);
3703 ASSERT (strcmp (result, "12345 33") == 0);
3704 ASSERT (retval == strlen (result));
3707 /* Test the support of argument type/size specifiers for unsigned integer
3708 conversions: %b */
3711 int retval =
3712 my_sprintf (result, "%hhb %d", (unsigned char) 42, 33, 44, 55);
3713 ASSERT (strcmp (result, "101010 33") == 0);
3714 ASSERT (retval == strlen (result));
3718 int retval =
3719 my_sprintf (result, "%hb %d", (unsigned short) 12345, 33, 44, 55);
3720 ASSERT (strcmp (result, "11000000111001 33") == 0);
3721 ASSERT (retval == strlen (result));
3725 int retval =
3726 my_sprintf (result, "%b %d", (unsigned int) 12345, 33, 44, 55);
3727 ASSERT (strcmp (result, "11000000111001 33") == 0);
3728 ASSERT (retval == strlen (result));
3732 int retval =
3733 my_sprintf (result, "%lb %d", (unsigned long int) 12345, 33, 44, 55);
3734 ASSERT (strcmp (result, "11000000111001 33") == 0);
3735 ASSERT (retval == strlen (result));
3739 int retval =
3740 my_sprintf (result, "%llb %d", (unsigned long long int) 12345, 33, 44, 55);
3741 ASSERT (strcmp (result, "11000000111001 33") == 0);
3742 ASSERT (retval == strlen (result));
3746 int retval =
3747 my_sprintf (result, "%w8b %d", (uint8_t) 42, 33, 44, 55);
3748 ASSERT (strcmp (result, "101010 33") == 0);
3749 ASSERT (retval == strlen (result));
3753 int retval =
3754 my_sprintf (result, "%w16b %d", (uint16_t) 12345, 33, 44, 55);
3755 ASSERT (strcmp (result, "11000000111001 33") == 0);
3756 ASSERT (retval == strlen (result));
3760 int retval =
3761 my_sprintf (result, "%w32b %d", (uint32_t) 12345, 33, 44, 55);
3762 ASSERT (strcmp (result, "11000000111001 33") == 0);
3763 ASSERT (retval == strlen (result));
3767 int retval =
3768 my_sprintf (result, "%w64b %d", (uint64_t) 12345, 33, 44, 55);
3769 ASSERT (strcmp (result, "11000000111001 33") == 0);
3770 ASSERT (retval == strlen (result));
3774 int retval =
3775 my_sprintf (result, "%wf8b %d", (uint_fast8_t) 42, 33, 44, 55);
3776 ASSERT (strcmp (result, "101010 33") == 0);
3777 ASSERT (retval == strlen (result));
3781 int retval =
3782 my_sprintf (result, "%wf16b %d", (uint_fast16_t) 12345, 33, 44, 55);
3783 ASSERT (strcmp (result, "11000000111001 33") == 0);
3784 ASSERT (retval == strlen (result));
3788 int retval =
3789 my_sprintf (result, "%wf32b %d", (uint_fast32_t) 12345, 33, 44, 55);
3790 ASSERT (strcmp (result, "11000000111001 33") == 0);
3791 ASSERT (retval == strlen (result));
3795 int retval =
3796 my_sprintf (result, "%wf64b %d", (uint_fast64_t) 12345, 33, 44, 55);
3797 ASSERT (strcmp (result, "11000000111001 33") == 0);
3798 ASSERT (retval == strlen (result));
3801 /* Test the support of argument type/size specifiers for unsigned integer
3802 conversions: %o */
3805 int retval =
3806 my_sprintf (result, "%hho %d", (unsigned char) 42, 33, 44, 55);
3807 ASSERT (strcmp (result, "52 33") == 0);
3808 ASSERT (retval == strlen (result));
3812 int retval =
3813 my_sprintf (result, "%ho %d", (unsigned short) 12345, 33, 44, 55);
3814 ASSERT (strcmp (result, "30071 33") == 0);
3815 ASSERT (retval == strlen (result));
3819 int retval =
3820 my_sprintf (result, "%o %d", (unsigned int) 12345, 33, 44, 55);
3821 ASSERT (strcmp (result, "30071 33") == 0);
3822 ASSERT (retval == strlen (result));
3826 int retval =
3827 my_sprintf (result, "%lo %d", (unsigned long int) 12345, 33, 44, 55);
3828 ASSERT (strcmp (result, "30071 33") == 0);
3829 ASSERT (retval == strlen (result));
3833 int retval =
3834 my_sprintf (result, "%llo %d", (unsigned long long int) 12345, 33, 44, 55);
3835 ASSERT (strcmp (result, "30071 33") == 0);
3836 ASSERT (retval == strlen (result));
3840 int retval =
3841 my_sprintf (result, "%w8o %d", (uint8_t) 42, 33, 44, 55);
3842 ASSERT (strcmp (result, "52 33") == 0);
3843 ASSERT (retval == strlen (result));
3847 int retval =
3848 my_sprintf (result, "%w16o %d", (uint16_t) 12345, 33, 44, 55);
3849 ASSERT (strcmp (result, "30071 33") == 0);
3850 ASSERT (retval == strlen (result));
3854 int retval =
3855 my_sprintf (result, "%w32o %d", (uint32_t) 12345, 33, 44, 55);
3856 ASSERT (strcmp (result, "30071 33") == 0);
3857 ASSERT (retval == strlen (result));
3861 int retval =
3862 my_sprintf (result, "%w64o %d", (uint64_t) 12345, 33, 44, 55);
3863 ASSERT (strcmp (result, "30071 33") == 0);
3864 ASSERT (retval == strlen (result));
3868 int retval =
3869 my_sprintf (result, "%wf8o %d", (uint_fast8_t) 42, 33, 44, 55);
3870 ASSERT (strcmp (result, "52 33") == 0);
3871 ASSERT (retval == strlen (result));
3875 int retval =
3876 my_sprintf (result, "%wf16o %d", (uint_fast16_t) 12345, 33, 44, 55);
3877 ASSERT (strcmp (result, "30071 33") == 0);
3878 ASSERT (retval == strlen (result));
3882 int retval =
3883 my_sprintf (result, "%wf32o %d", (uint_fast32_t) 12345, 33, 44, 55);
3884 ASSERT (strcmp (result, "30071 33") == 0);
3885 ASSERT (retval == strlen (result));
3889 int retval =
3890 my_sprintf (result, "%wf64o %d", (uint_fast64_t) 12345, 33, 44, 55);
3891 ASSERT (strcmp (result, "30071 33") == 0);
3892 ASSERT (retval == strlen (result));
3895 /* Test the support of argument type/size specifiers for unsigned integer
3896 conversions: %x */
3899 int retval =
3900 my_sprintf (result, "%hhX %d", (unsigned char) 42, 33, 44, 55);
3901 ASSERT (strcmp (result, "2A 33") == 0);
3902 ASSERT (retval == strlen (result));
3906 int retval =
3907 my_sprintf (result, "%hX %d", (unsigned short) 12345, 33, 44, 55);
3908 ASSERT (strcmp (result, "3039 33") == 0);
3909 ASSERT (retval == strlen (result));
3913 int retval =
3914 my_sprintf (result, "%X %d", (unsigned int) 12345, 33, 44, 55);
3915 ASSERT (strcmp (result, "3039 33") == 0);
3916 ASSERT (retval == strlen (result));
3920 int retval =
3921 my_sprintf (result, "%lX %d", (unsigned long int) 12345, 33, 44, 55);
3922 ASSERT (strcmp (result, "3039 33") == 0);
3923 ASSERT (retval == strlen (result));
3927 int retval =
3928 my_sprintf (result, "%llX %d", (unsigned long long int) 12345, 33, 44, 55);
3929 ASSERT (strcmp (result, "3039 33") == 0);
3930 ASSERT (retval == strlen (result));
3934 int retval =
3935 my_sprintf (result, "%w8X %d", (uint8_t) 42, 33, 44, 55);
3936 ASSERT (strcmp (result, "2A 33") == 0);
3937 ASSERT (retval == strlen (result));
3941 int retval =
3942 my_sprintf (result, "%w16X %d", (uint16_t) 12345, 33, 44, 55);
3943 ASSERT (strcmp (result, "3039 33") == 0);
3944 ASSERT (retval == strlen (result));
3948 int retval =
3949 my_sprintf (result, "%w32X %d", (uint32_t) 12345, 33, 44, 55);
3950 ASSERT (strcmp (result, "3039 33") == 0);
3951 ASSERT (retval == strlen (result));
3955 int retval =
3956 my_sprintf (result, "%w64X %d", (uint64_t) 12345, 33, 44, 55);
3957 ASSERT (strcmp (result, "3039 33") == 0);
3958 ASSERT (retval == strlen (result));
3962 int retval =
3963 my_sprintf (result, "%wf8X %d", (uint_fast8_t) 42, 33, 44, 55);
3964 ASSERT (strcmp (result, "2A 33") == 0);
3965 ASSERT (retval == strlen (result));
3969 int retval =
3970 my_sprintf (result, "%wf16X %d", (uint_fast16_t) 12345, 33, 44, 55);
3971 ASSERT (strcmp (result, "3039 33") == 0);
3972 ASSERT (retval == strlen (result));
3976 int retval =
3977 my_sprintf (result, "%wf32X %d", (uint_fast32_t) 12345, 33, 44, 55);
3978 ASSERT (strcmp (result, "3039 33") == 0);
3979 ASSERT (retval == strlen (result));
3983 int retval =
3984 my_sprintf (result, "%wf64X %d", (uint_fast64_t) 12345, 33, 44, 55);
3985 ASSERT (strcmp (result, "3039 33") == 0);
3986 ASSERT (retval == strlen (result));