src/functional/string_strcspn.c

   1 #include <stddef.h>
   2 #include <string.h>
   3 #include "test.h"
   4
   5 #define T(s, c, n) { \
   6         char *p = s; \
   7         char *q = c; \
   8         size_t r = strcspn(p, q); \
   9         if (r != n) \
  10                 t_error("strcspn(%s,%s) returned %lu, wanted %lu\n", #s, #c, (unsigned long)r, (unsigned long)(n)); \
  11 }
  12
  13 int main(void)
  14 {
  15         int i;
  16         char a[128];
  17         char s[256];
  18
  19         for (i = 0; i < 128; i++)
  20                 a[i] = (i+1) & 127;
  21         for (i = 0; i < 256; i++)
  22                 *((unsigned char*)s+i) = i+1;
  23
  24         T("", "", 0)
  25         T("a", "", 1)
  26         T("", "a", 0)
  27         T("abc", "cde", 2)
  28         T("abc", "ccc", 2)
  29         T("abc", a, 0)
  30         T("\xff\x80 abc", a, 2)
  31         T(s, "\xff", 254)
  32
  33         return t_status;
  34 }