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