LXR qemu/tests/tcg/cris/libc/check

   1/* Check that --sysroot is applied to open(2).
   2#sim: --sysroot=@exedir@
   3
   4   We assume, with EXE being the name of the executable:
   5   - The simulator executes with cwd the same directory where the executable
   6     is located (so argv[0] contains a plain filename without directory
   7     components).
   8   - There's no /EXE on the host file system.  */
   9
  10#include <stdio.h>
  11#include <stdlib.h>
  12#include <string.h>
  13#include <errno.h>
  14int main (int argc, char *argv[])
  15{
  16  char *fnam = argv[0];
  17  FILE *f;
  18  if (argv[0][0] != '/')
  19    {
  20      fnam = malloc (strlen (argv[0]) + 2);
  21      if (fnam == NULL)
  22        abort ();
  23      strcpy (fnam, "/");
  24      strcat (fnam, argv[0]);
  25    }
  26
  27  f = fopen (fnam, "rb");
  28  if (f == NULL)
  29    abort ();
  30  fclose(f);
  31
  32  /* Cover another execution path.  */
  33  if (fopen ("/nonexistent", "rb") != NULL
  34      || errno != ENOENT)
  35    abort ();
  36  printf ("pass\n");
  37  return 0;
  38}
  39