posix/tst-execv2.c

   1 #include <errno.h>
   2 #include <stdio.h>
   3 #include <unistd.h>
   4 #include <sys/stat.h>
   5
   6
   7 static void prepare (int argc, char *argv[]);
   8 static int do_test (void);
   9 #define PREPARE(argc, argv) prepare (argc, argv)
  10 #define TEST_FUNCTION do_test ()
  11 #include "../test-skeleton.c"
  12
  13
  14 static char *copy;
  15
  16 static void
  17 prepare (int argc, char *argv[])
  18 {
  19   char *buf;
  20   int off;
  21
  22   buf = xasprintf ("cp %s %n%s-copy", argv[0], &off, argv[0]);
  23   if (system (buf) != 0)
  24     {
  25       puts ("system  failed");
  26       exit (1);
  27     }
  28
  29   /* Make it not executable.  */
  30   copy = buf + off;
  31   if (chmod (copy, 0666) != 0)
  32     {
  33       puts ("chmod  failed");
  34       exit (1);
  35     }
  36
  37   add_temp_file (copy);
  38 }
  39
  40
  41 static int
  42 do_test (void)
  43 {
  44   char *argv[] = { copy, NULL };
  45
  46   errno = 0;
  47   execv (copy, argv);
  48
  49   if (errno != EACCES)
  50     {
  51       printf ("errno = %d (%m), expected EACCES\n", errno);
  52       return 1;
  53     }
  54
  55   return 0;
  56 }