Allow fopen to fail because the file does not exist.

This commit is contained in:
Ulrich Drepper 2005-10-06 15:36:23 +00:00
parent 008feb8587
commit 31d12f6cad

View File

@ -16,6 +16,7 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include <stdint.h>
#include <stdio.h>
#include <stdio_ext.h>
@ -33,7 +34,14 @@ __readonly_area (const char *ptr, size_t size)
FILE *fp = fopen ("/proc/self/maps", "rc");
if (fp == NULL)
return -1;
{
if (errno == ENOENT)
/* It is the system administrator's choice to not have /proc
available to this process (e.g., because it runs in a chroot
environment. Don't fail in this case. */
return 1;
return -1;
}
/* We need no locking. */
__fsetlocking (fp, FSETLOCKING_BYCALLER);