crypto/external/bsd/heimdal/dist/lib/roken/snprintf-test.c

   1 /*      $NetBSD: snprintf-test.c,v 1.1.1.1 2011/04/13 18:15:43 elric Exp $      */
   2
   3 /*
   4  * Copyright (c) 2000 - 2001 Kungliga Tekniska Högskolan
   5  * (Royal Institute of Technology, Stockholm, Sweden).
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * 3. Neither the name of KTH nor the names of its contributors may be
  20  *    used to endorse or promote products derived from this software without
  21  *    specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
  24  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  26  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE
  27  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  28  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  29  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  30  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  31  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  32  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  33  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
  34
  35 #include <config.h>
  36 #include <krb5/roken.h>
  37 #include <limits.h>
  38
  39 static int
  40 try (const char *format, ...)
  41 {
  42     int ret;
  43     va_list ap;
  44     char buf1[256], buf2[256];
  45
  46     va_start (ap, format);
  47     ret = rk_vsnprintf (buf1, sizeof(buf1), format, ap);
  48     if (ret >= sizeof(buf1))
  49         errx (1, "increase buf and try again");
  50     va_end (ap);
  51     va_start (ap, format);
  52     vsprintf (buf2, format, ap);
  53     ret = strcmp (buf1, buf2);
  54     if (ret)
  55         printf ("failed: format = \"%s\", \"%s\" != \"%s\"\n",
  56                 format, buf1, buf2);
  57     va_end (ap);
  58     return ret;
  59 }
  60
  61 static int
  62 cmp_with_sprintf_int (void)
  63 {
  64     int tot = 0;
  65     int int_values[] = {INT_MIN, -17, -1, 0, 1, 17, 4711, 65535, INT_MAX};
  66     int i;
  67
  68     for (i = 0; i < sizeof(int_values) / sizeof(int_values[0]); ++i) {
  69         tot += try ("%d", int_values[i]);
  70         tot += try ("%x", int_values[i]);
  71         tot += try ("%X", int_values[i]);
  72         tot += try ("%o", int_values[i]);
  73         tot += try ("%#x", int_values[i]);
  74         tot += try ("%#X", int_values[i]);
  75         tot += try ("%#o", int_values[i]);
  76         tot += try ("%10d", int_values[i]);
  77         tot += try ("%10x", int_values[i]);
  78         tot += try ("%10X", int_values[i]);
  79         tot += try ("%10o", int_values[i]);
  80         tot += try ("%#10x", int_values[i]);
  81         tot += try ("%#10X", int_values[i]);
  82         tot += try ("%#10o", int_values[i]);
  83         tot += try ("%-10d", int_values[i]);
  84         tot += try ("%-10x", int_values[i]);
  85         tot += try ("%-10X", int_values[i]);
  86         tot += try ("%-10o", int_values[i]);
  87         tot += try ("%-#10x", int_values[i]);
  88         tot += try ("%-#10X", int_values[i]);
  89         tot += try ("%-#10o", int_values[i]);
  90     }
  91     return tot;
  92 }
  93
  94 static int
  95 cmp_with_sprintf_long (void)
  96 {
  97     int tot = 0;
  98     long long_values[] = {LONG_MIN, -17, -1, 0, 1, 17, 4711, 65535, LONG_MAX};
  99     int i;
 100
 101     for (i = 0; i < sizeof(long_values) / sizeof(long_values[0]); ++i) {
 102         tot += try ("%ld", long_values[i]);
 103         tot += try ("%lx", long_values[i]);
 104         tot += try ("%lX", long_values[i]);
 105         tot += try ("%lo", long_values[i]);
 106         tot += try ("%#lx", long_values[i]);
 107         tot += try ("%#lX", long_values[i]);
 108         tot += try ("%#lo", long_values[i]);
 109         tot += try ("%10ld", long_values[i]);
 110         tot += try ("%10lx", long_values[i]);
 111         tot += try ("%10lX", long_values[i]);
 112         tot += try ("%10lo", long_values[i]);
 113         tot += try ("%#10lx", long_values[i]);
 114         tot += try ("%#10lX", long_values[i]);
 115         tot += try ("%#10lo", long_values[i]);
 116         tot += try ("%-10ld", long_values[i]);
 117         tot += try ("%-10lx", long_values[i]);
 118         tot += try ("%-10lX", long_values[i]);
 119         tot += try ("%-10lo", long_values[i]);
 120         tot += try ("%-#10lx", long_values[i]);
 121         tot += try ("%-#10lX", long_values[i]);
 122         tot += try ("%-#10lo", long_values[i]);
 123     }
 124     return tot;
 125 }
 126
 127 #ifdef HAVE_LONG_LONG
 128
 129 /* XXX doesn't work as expected on lp64 platforms with sizeof(long
 130  * long) == sizeof(long) */
 131
 132 static int
 133 cmp_with_sprintf_long_long (void)
 134 {
 135     int tot = 0;
 136     long long long_long_values[] = {
 137         ((long long)LONG_MIN) -1, LONG_MIN, -17, -1,
 138         0,
 139         1, 17, 4711, 65535, LONG_MAX, ((long long)LONG_MAX) + 1};
 140     int i;
 141
 142     for (i = 0; i < sizeof(long_long_values) / sizeof(long_long_values[0]); ++i) {
 143         tot += try ("%lld", long_long_values[i]);
 144         tot += try ("%llx", long_long_values[i]);
 145         tot += try ("%llX", long_long_values[i]);
 146         tot += try ("%llo", long_long_values[i]);
 147         tot += try ("%#llx", long_long_values[i]);
 148         tot += try ("%#llX", long_long_values[i]);
 149         tot += try ("%#llo", long_long_values[i]);
 150         tot += try ("%10lld", long_long_values[i]);
 151         tot += try ("%10llx", long_long_values[i]);
 152         tot += try ("%10llX", long_long_values[i]);
 153         tot += try ("%10llo", long_long_values[i]);
 154         tot += try ("%#10llx", long_long_values[i]);
 155         tot += try ("%#10llX", long_long_values[i]);
 156         tot += try ("%#10llo", long_long_values[i]);
 157         tot += try ("%-10lld", long_long_values[i]);
 158         tot += try ("%-10llx", long_long_values[i]);
 159         tot += try ("%-10llX", long_long_values[i]);
 160         tot += try ("%-10llo", long_long_values[i]);
 161         tot += try ("%-#10llx", long_long_values[i]);
 162         tot += try ("%-#10llX", long_long_values[i]);
 163         tot += try ("%-#10llo", long_long_values[i]);
 164     }
 165     return tot;
 166 }
 167
 168 #endif
 169
 170 #if 0
 171 static int
 172 cmp_with_sprintf_float (void)
 173 {
 174     int tot = 0;
 175     double double_values[] = {-99999, -999, -17.4, -4.3, -3.0, -1.5, -1,
 176                               0, 0.1, 0.2342374852, 0.2340007,
 177                               3.1415926, 14.7845, 34.24758, 9999, 9999999};
 178     int i;
 179
 180     for (i = 0; i < sizeof(double_values) / sizeof(double_values[0]); ++i) {
 181         tot += try ("%f", double_values[i]);
 182         tot += try ("%10f", double_values[i]);
 183         tot += try ("%.2f", double_values[i]);
 184         tot += try ("%7.0f", double_values[i]);
 185         tot += try ("%5.2f", double_values[i]);
 186         tot += try ("%0f", double_values[i]);
 187         tot += try ("%#f", double_values[i]);
 188         tot += try ("%e", double_values[i]);
 189         tot += try ("%10e", double_values[i]);
 190         tot += try ("%.2e", double_values[i]);
 191         tot += try ("%7.0e", double_values[i]);
 192         tot += try ("%5.2e", double_values[i]);
 193         tot += try ("%0e", double_values[i]);
 194         tot += try ("%#e", double_values[i]);
 195         tot += try ("%E", double_values[i]);
 196         tot += try ("%10E", double_values[i]);
 197         tot += try ("%.2E", double_values[i]);
 198         tot += try ("%7.0E", double_values[i]);
 199         tot += try ("%5.2E", double_values[i]);
 200         tot += try ("%0E", double_values[i]);
 201         tot += try ("%#E", double_values[i]);
 202         tot += try ("%g", double_values[i]);
 203         tot += try ("%10g", double_values[i]);
 204         tot += try ("%.2g", double_values[i]);
 205         tot += try ("%7.0g", double_values[i]);
 206         tot += try ("%5.2g", double_values[i]);
 207         tot += try ("%0g", double_values[i]);
 208         tot += try ("%#g", double_values[i]);
 209         tot += try ("%G", double_values[i]);
 210         tot += try ("%10G", double_values[i]);
 211         tot += try ("%.2G", double_values[i]);
 212         tot += try ("%7.0G", double_values[i]);
 213         tot += try ("%5.2G", double_values[i]);
 214         tot += try ("%0G", double_values[i]);
 215         tot += try ("%#G", double_values[i]);
 216     }
 217     return tot;
 218 }
 219 #endif
 220
 221 static int
 222 test_null (void)
 223 {
 224     return rk_snprintf (NULL, 0, "foo") != 3;
 225 }
 226
 227 static int
 228 test_sizet (void)
 229 {
 230     int tot = 0;
 231     size_t sizet_values[] = { 0, 1, 2, 200, 4294967295u }; /* SIZE_MAX */
 232     char *result[] = { "0", "1", "2", "200", "4294967295" };
 233     int i;
 234
 235     for (i = 0; i < sizeof(sizet_values) / sizeof(sizet_values[0]); ++i) {
 236 #if 0
 237         tot += try("%zu", sizet_values[i]);
 238         tot += try("%zx", sizet_values[i]);
 239         tot += try("%zX", sizet_values[i]);
 240 #else
 241         char buf[256];
 242         rk_snprintf(buf, sizeof(buf), "%zu", sizet_values[i]);
 243         if (strcmp(buf, result[i]) != 0) {
 244             printf("%s != %s", buf, result[i]);
 245             tot++;
 246         }
 247 #endif
 248     }
 249     return tot;
 250 }
 251
 252
 253 int
 254 main (int argc, char **argv)
 255 {
 256     int ret = 0;
 257
 258     ret += cmp_with_sprintf_int ();
 259     ret += cmp_with_sprintf_long ();
 260 #ifdef HAVE_LONG_LONG
 261     ret += cmp_with_sprintf_long_long ();
 262 #endif
 263     ret += test_null ();
 264     ret += test_sizet ();
 265     return ret;
 266 }