sim/testsuite/sim/cris/c/readlink2.c

   1 /*
   2 #notarget: cris*-*-elf
   3 */
   4
   5 #include <unistd.h>
   6 #include <errno.h>
   7 #include <stdio.h>
   8 #include <stdlib.h>
   9 #include <string.h>
  10
  11 int main (int argc, char *argv[])
  12 {
  13   char buf[1024];
  14   char buf2[1024];
  15
  16   /* This is a special feature handled in the simulator.  The "42"
  17      should be formed from getpid () if this was a real program.  */
  18   if (readlink ("/proc/42/exe", buf, sizeof (buf)) < 0)
  19     abort ();
  20
  21   /* Don't use an abort in the following; it might cause the printf to
  22      not make it all the way to output and make debugging more
  23      difficult.  */
  24
  25   /* We assume the program is called with no path, so we might need to
  26      prepend it.  */
  27   if (getcwd (buf2, sizeof (buf2)) != buf2)
  28     {
  29       perror ("getcwd");
  30       exit (1);
  31     }
  32
  33   if (argv[0][0] == '/')
  34     {
  35 #ifdef SYSROOTED
  36       if (strchr (argv[0] + 1, '/') != NULL)
  37         {
  38           printf ("%s != %s\n", argv[0], strrchr (argv[0] + 1, '/'));
  39           exit (1);
  40         }
  41 #endif
  42       if (strcmp (argv[0], buf) != 0)
  43         {
  44           printf ("%s != %s\n", buf, argv[0]);
  45           exit (1);
  46         }
  47     }
  48   else if (argv[0][0] != '.')
  49     {
  50       if (buf2[strlen (buf2) - 1] != '/')
  51         strcat (buf2, "/");
  52       strcat (buf2, argv[0]);
  53       if (strcmp (buf2, buf) != 0)
  54         {
  55           printf ("%s != %s\n", buf, buf2);
  56           exit (1);
  57         }
  58     }
  59   else
  60     {
  61       strcat (buf2, argv[0] + 1);
  62       if (strcmp (buf, buf2) != 0)
  63         {
  64           printf ("%s != %s\n", buf, buf2);
  65           exit (1);
  66         }
  67     }
  68
  69   printf ("pass\n");
  70   exit (0);
  71 }
  72
  73