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| author | Ulrich Drepper <drepper@redhat.com> | 2005-10-06 15:36:23 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2005-10-06 15:36:23 +0000 |
| commit | 31d12f6cad54d11fd6d468085050b1c6581fb03c (patch) | |
| tree | f041c2b135c6d76176a98775f76a7b0e8bd36b4a | |
| parent | 008feb8587a1d16d9ef1e1a67202e4dd5dfe1d47 (diff) | |
| download | glibc-31d12f6cad54d11fd6d468085050b1c6581fb03c.tar.gz glibc-31d12f6cad54d11fd6d468085050b1c6581fb03c.tar.xz glibc-31d12f6cad54d11fd6d468085050b1c6581fb03c.zip | |
Allow fopen to fail because the file does not exist.
| -rw-r--r-- | sysdeps/unix/sysv/linux/readonly-area.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/readonly-area.c b/sysdeps/unix/sysv/linux/readonly-area.c index ce5321bcef..94e88bcb6f 100644 --- a/sysdeps/unix/sysv/linux/readonly-area.c +++ b/sysdeps/unix/sysv/linux/readonly-area.c @@ -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); |