qemu/tests/tcg/cris/check_openpf1.c

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/* Check that --sysroot is applied to open(2).
#sim: --sysroot=@exedir@
We assume, with EXE being the name of the executable:
- The simulator executes with cwd the same directory where the executable
is located (so argv[0] contains a plain filename without directory
components).
- There's no /EXE on the host file system. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
int main (int argc, char *argv[])
{
char *fnam = argv[0];
FILE *f;
if (argv[0][0] != '/')
{
fnam = malloc (strlen (argv[0]) + 2);
if (fnam == NULL)
abort ();
strcpy (fnam, "/");
strcat (fnam, argv[0]);
}
f = fopen (fnam, "rb");
if (f == NULL)
abort ();
fclose(f);
/* Cover another execution path. */
if (fopen ("/nonexistent", "rb") != NULL
|| errno != ENOENT)
abort ();
printf ("pass\n");
return 0;
}