stdio-common/tst-sprintf.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4
   5
   6 int
   7 main (void)
   8 {
   9   char buf[100];
  10   int result = 0;
  11
  12   if (sprintf (buf, "%.0ls", L"foo") != 0
  13       || strlen (buf) != 0)
  14     {
  15       puts ("sprintf (buf, \"%.0ls\", L\"foo\") produced some output");
  16       result = 1;
  17     }
  18
  19 #define SIZE (1024*70000)
  20 #define STR(x) #x
  21
  22   char *dst = malloc (SIZE + 1);
  23
  24   if (dst == NULL)
  25     {
  26       puts ("memory allocation failure");
  27       result = 1;
  28     }
  29   else
  30     {
  31       sprintf (dst, "%*s", SIZE, "");
  32       if (strnlen (dst, SIZE + 1) != SIZE)
  33         {
  34           puts ("sprintf (dst, \"%*s\", " STR(SIZE) ", \"\") did not produce enough output");
  35           result = 1;
  36         }
  37       free (dst);
  38     }
  39
  40   return result;
  41 }