* time/tzfile.c (__tzfile_read): Avoid open for checking whether
	the file we already use changed.
This commit is contained in:
Ulrich Drepper 2004-11-20 20:23:45 +00:00
parent d3a9cb0c26
commit 250ecb48d5
2 changed files with 16 additions and 10 deletions

View File

@ -1,5 +1,8 @@
2004-11-20 Ulrich Drepper <drepper@redhat.com>
* time/tzfile.c (__tzfile_read): Avoid open for checking whether
the file we already use changed.
* misc/syslog.c: Remove !USE_IN_LIBIO code.
2004-11-20 Jakub Jelinek <jakub@redhat.com>

View File

@ -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;