src/regression/mkstemp-failure.c

   1 // commit: 2e6239dd064d201c6e1b0f589bae9ff27949d2eb 2011-02-19
   2 // commit: 382584724308442f03f3d29f7fc6de9e9d140982 2011-06-12
   3 // mkstemp should return -1 on bad template
   4 #define _BSD_SOURCE 1
   5 #include <stdlib.h>
   6 #include <string.h>
   7 #include <errno.h>
   8 #include "test.h"
   9
  10 int mkstemp(char *);
  11
  12 #define S "/dev/null/fooXXXX"
  13
  14 int main(void)
  15 {
  16         char p[] = S;
  17         int r;
  18
  19         r = mkstemp(p);
  20         if (r != -1)
  21                 t_error("mkstemp(" S ") did not fail\n");
  22         if (memcmp(p, S, sizeof p) != 0)
  23                 t_error("mkstemp(" S ") modified the template: %s\n", p);
  24         if (r == -1 && errno != EINVAL)
  25                 t_error("mkstemp(" S ") failed with %d [%s] instead of %d [%s]\n",
  26                         errno, strerror(errno), EINVAL, strerror(EINVAL));
  27         return t_status;
  28 }