src/regression/malloc-0.c

   1 // commit: 26031da0f83a2a3ed52190077931ee6c18dfd689 2011-02-20
   2 // malloc(0) should return unique pointers
   3 // (often expected and gnulib replaces malloc if malloc(0) returns 0)
   4 #include <stdlib.h>
   5 #include "test.h"
   6
   7 int main(void)
   8 {
   9         void *p = malloc(0);
  10         void *q = malloc(0);
  11         void *r = malloc(0);
  12         if (!p || !q || !r)
  13                 t_error("malloc(0) returned NULL\n");
  14         if (p == q || p == r || q == r)
  15                 t_error("malloc(0) returned non-unique pointers: %p, %p, %p\n", p, q, r);
  16         free(q);
  17         free(p);
  18         free(r);
  19         return t_status;
  20 }