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authorUlrich Drepper <drepper@redhat.com>2004-11-20 20:23:45 +0000
committerUlrich Drepper <drepper@redhat.com>2004-11-20 20:23:45 +0000
commit250ecb48d516b08be7d0fdba0a7ba5146e148a77 (patch)
treea9c28d14a760652bc6a5cc2081c7210856921ab2 /time
parentd3a9cb0c26d61f84586d37a29c4881614b612a69 (diff)
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* time/tzfile.c (__tzfile_read): Avoid open for checking whether the file we already use changed.
Diffstat (limited to 'time')
-rw-r--r--time/tzfile.c23
1 files changed, 13 insertions, 10 deletions
diff --git a/time/tzfile.c b/time/tzfile.c
index 48c1e4d..e95fd55 100644
--- a/time/tzfile.c
+++ b/time/tzfile.c
@@ -149,27 +149,30 @@ __tzfile_read (const char *file, size_t extra, char **extrap)
file = new;
}
+ /* If we were already using tzfile, check whether the file changed. */
+ struct stat64 st;
+ if (was_using_tzfile
+ && stat64 (file, &st) == 0
+ && tzfile_ino == st.st_ino && tzfile_dev == st.st_dev
+ && tzfile_mtime == st.st_mtime)
+ {
+ /* Nothing to do. */
+ __use_tzfile = 1;
+ return;
+ }
+
/* Note the file is opened with cancellation in the I/O functions
disabled. */
f = fopen (file, "rc");
if (f == NULL)
goto ret_free_transitions;
- /* Get information about the file. */
- struct stat64 st;
+ /* Get information about the file we are actually using. */
if (fstat64 (fileno (f), &st) != 0)
{
fclose (f);
goto ret_free_transitions;
}
- if (was_using_tzfile && tzfile_ino == st.st_ino && tzfile_dev == st.st_dev
- && tzfile_mtime == st.st_mtime)
- {
- /* It's the same file. No further work needed. */
- fclose (f);
- __use_tzfile = 1;
- return;
- }
free ((void *) transitions);
transitions = NULL;