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Allow fopen to fail because the file does not exist.

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This commit is contained in:
Ulrich Drepper 2005-10-06 15:36:23 +00:00
parent 008feb8587
commit 31d12f6cad
1 changed files with 9 additions and 1 deletions
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8
sysdeps/unix/sysv/linux/readonly-area.c
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@ -16,6 +16,7 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */ 02111-1307 USA. */
#include <errno.h>
#include <stdint.h> #include <stdint.h>
#include <stdio.h> #include <stdio.h>
#include <stdio_ext.h> #include <stdio_ext.h>
@ -33,7 +34,14 @@ __readonly_area (const char *ptr, size_t size)
FILE *fp = fopen ("/proc/self/maps", "rc"); FILE *fp = fopen ("/proc/self/maps", "rc");
if (fp == NULL) if (fp == NULL)
{
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; return -1;
}
/* We need no locking. */ /* We need no locking. */
__fsetlocking (fp, FSETLOCKING_BYCALLER); __fsetlocking (fp, FSETLOCKING_BYCALLER);