posix/tst-execvp4.c

   1 #include <errno.h>
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4 #include <string.h>
   5 #include <unistd.h>
   6 #include <sys/stat.h>
   7
   8 static int
   9 do_test (void)
  10 {
  11   char buf[40] = "/usr/bin/does-not-exist";
  12   size_t stemlen = strlen (buf);
  13   struct stat64 st;
  14   int cnt = 0;
  15   while (stat64 (buf, &st) != -1 || errno != ENOENT
  16          || stat64 (buf + 4, &st) != -1 || errno != ENOENT)
  17     {
  18       if (cnt++ == 100)
  19         {
  20           puts ("cannot find a unique file name");
  21           return 0;
  22         }
  23
  24       strcpy (buf + stemlen, ".XXXXXX");
  25       mktemp (buf);
  26     }
  27
  28   unsetenv ("PATH");
  29   char *argv[] = { buf + 9, NULL };
  30   execvp (argv[0], argv);
  31   return 0;
  32 }
  33
  34 #define TEST_FUNCTION do_test ()
  35 #include "../test-skeleton.c"