stdio-common/tst-printfsz.c

   1 /* Based on code by Larry McVoy <lm@neteng.engr.sgi.com>.  */
   2 #include <printf.h>
   3 #include <stdio.h>
   4 #include <string.h>
   5
   6 #define V       12345678.12345678
   7
   8
   9 int
  10 main (int argc, char *argv[])
  11 {
  12   char buf[1024];
  13   int result = 0;
  14
  15   /* Register the printf handlers.  */
  16   register_printf_function ('b', printf_size, printf_size_info);
  17   register_printf_function ('B', printf_size, printf_size_info);
  18
  19
  20   sprintf (buf, "%g %b %B %.0b %.0B %.1b %.1B %8.0b %08.0B",
  21            V, 1025., V, V, V, V, V, V, V, V);
  22   fputs (buf, stdout);
  23   if (strcmp (buf, "\
  24 1.23457e+07 1.001k 12.346M 12m 12M 11.8m 12.3M      12m 0000012M"))
  25     {
  26       result = 1;
  27       fputs (" -> WRONG\n", stdout);
  28     }
  29   else
  30     fputs (" -> OK\n", stdout);
  31
  32   sprintf (buf, "%b|%B|%-20.2b|%-10.0b|%-10.8b|%-10.2B|",
  33            V, V, V, V, V, V, V, V, V, V, V);
  34   fputs (buf, stdout);
  35   if (strcmp (buf, "\
  36 11.774m|12.346M|11.77m              |12m       |11.77375614m|12.35M    |"))
  37     {
  38       result = 1;
  39       fputs (" -> WRONG\n", stdout);
  40     }
  41   else
  42     fputs (" -> OK\n", stdout);
  43
  44   sprintf (buf, "%#.0B %*.0b %10.*b %*.*B %10.2B",
  45            V, 2, V, 2, V, 10, 2, V, V);
  46   fputs (buf, stdout);
  47   if (strcmp (buf, "12.M 12m     11.77m     12.35M     12.35M"))
  48     {
  49       result = 1;
  50       fputs (" -> WRONG\n", stdout);
  51     }
  52   else
  53     fputs (" -> OK\n", stdout);
  54
  55   sprintf (buf, "%6B %6.1B %b %B %b %B",
  56            V, V, 1000.0, 1000.0, 1024.0, 1024.0);
  57   fputs (buf, stdout);
  58   if (strcmp (buf, "12.346M  12.3M 1000.000  1.000K 1.000k 1.024K"))
  59     {
  60       result = 1;
  61       fputs (" -> WRONG\n", stdout);
  62     }
  63   else
  64     fputs (" -> OK\n", stdout);
  65
  66   return result;
  67 }