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Elixir Cross Referencer

/* Check that odd cases of readlink work.
#notarget: cris*-*-elf
#cc: additional_flags=-DX="@exedir@"
*/

#include <unistd.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>

int main (int argc, char *argv[])
{
  /* We assume that "sim/testsuite" isn't renamed to anything that
     together with "<builddir>/" is shorter than 7 characters.  */
  char buf[7];

  if (readlink("/proc/42/exe", buf, sizeof (buf)) != sizeof (buf)
      || strncmp (buf, X, sizeof (buf)) != 0)
    abort ();

  printf ("pass\n");
  exit (0);
}