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  #ifndef EXECVP
       9  # define EXECVP(file, argv)  execvp (file, argv)
      10  #endif
      11  
      12  static int
      13  do_test (void)
      14  {
      15    char buf[40] = "/usr/bin/does-not-exist";
      16    size_t stemlen = strlen (buf);
      17    struct stat64 st;
      18    int cnt = 0;
      19    while (stat64 (buf, &st) != -1 || errno != ENOENT
      20  	 || stat64 (buf + 4, &st) != -1 || errno != ENOENT)
      21      {
      22        if (cnt++ == 100)
      23  	{
      24  	  puts ("cannot find a unique file name");
      25  	  return 0;
      26  	}
      27  
      28        strcpy (buf + stemlen, ".XXXXXX");
      29        mktemp (buf);
      30      }
      31  
      32    unsetenv ("PATH");
      33    char *argv[] = { buf + 9, NULL };
      34    EXECVP (argv[0], argv);
      35    return 0;
      36  }
      37  
      38  #define TEST_FUNCTION do_test ()
      39  #include "../test-skeleton.c"