string/bug-strstr1.c

   1 #include <stdio.h>
   2 #include <string.h>
   3
   4 int main (int argc, char** argv)
   5 {
   6   const char haystack[] =
   7     "F_BD_CE_BD_EF_BF_BD_EF_BF_BD_EF_BF_BD_EF_BF_BD_C3_88_20_EF_BF_BD_EF_BF_BD_EF_BF_BD_C3_A7_20_EF_BF_BD";
   8
   9   const char needle[] =
  10     "_EF_BF_BD_EF_BF_BD_EF_BF_BD_EF_BF_BD_EF_BF_BD";
  11
  12   const char* sub = strstr (haystack, needle);
  13
  14   if (sub != NULL)
  15     {
  16       int j;
  17
  18       fprintf (stderr, "BUG: expected NULL, got:\n%s\n%s\n", sub, needle);
  19       for (j = 0; needle[j] != '\0'; ++j)
  20         putchar (needle[j] == sub[j] ? ' ' : '^');
  21       puts ("");
  22       return 1;
  23     }
  24
  25   return 0;
  26 }