aboutsummaryrefslogtreecommitdiff
path: root/csu
diff options
context:
space:
mode:
authorFlorian Weimer <fweimer@redhat.com>2017-04-13 21:28:18 +0200
committerFlorian Weimer <fweimer@redhat.com>2017-04-13 21:28:18 +0200
commita12ae89f860229cbe5ba91f1f9cf17cc5a9ede31 (patch)
tree3b22b435b0081a1f52f68db25d66b253d0b71337 /csu
parent44500cbb25bc6e76723304b9ff39f875c04309f9 (diff)
downloadglibc-a12ae89f860229cbe5ba91f1f9cf17cc5a9ede31.zip
glibc-a12ae89f860229cbe5ba91f1f9cf17cc5a9ede31.tar.gz
glibc-a12ae89f860229cbe5ba91f1f9cf17cc5a9ede31.tar.bz2
Assume that O_NOFOLLOW is always defined
Diffstat (limited to 'csu')
-rw-r--r--csu/check_fds.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/csu/check_fds.c b/csu/check_fds.c
index bec2a53..062c879 100644
--- a/csu/check_fds.c
+++ b/csu/check_fds.c
@@ -87,14 +87,10 @@ check_one_fd (int fd, int mode)
void
__libc_check_standard_fds (void)
{
- /* This is really paranoid but some people actually are. If /dev/null
- should happen to be a symlink to somewhere else and not the device
- commonly known as "/dev/null" we bail out. We can detect this with
- the O_NOFOLLOW flag for open() but only on some system. */
-#ifndef O_NOFOLLOW
-# define O_NOFOLLOW 0
-#endif
- /* Check all three standard file descriptors. */
+ /* Check all three standard file descriptors. The O_NOFOLLOW flag
+ is really paranoid but some people actually are. If /dev/null
+ should happen to be a symlink to somewhere else and not the
+ device commonly known as "/dev/null" we bail out. */
check_one_fd (STDIN_FILENO, O_WRONLY | O_NOFOLLOW);
check_one_fd (STDOUT_FILENO, O_RDONLY | O_NOFOLLOW);
check_one_fd (STDERR_FILENO, O_RDONLY | O_NOFOLLOW);