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2004-08-11  Ulrich Drepper  <drepper@redhat.com>

	* time/tzset.c (tzset_internal): Add new parameter which is
	nonzero if called through tzset.  Use TZDEFAULT name including
	name comparison if the new parameter is zero.  This means implicit
	tzset calls will not cause files to be opened and read by tzfile.c
	all the time.

2004-08-11  Jakub Jelinek  <jakub@redhat.com>

	* time/tzfile.c (__tzfile_read): Free transitions only if it will
	not be reused.
This commit is contained in:
Ulrich Drepper 2004-08-11 19:26:20 +00:00
parent c3d1af70af
commit 640b76b7dc
2 changed files with 23 additions and 8 deletions
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13
ChangeLog
View File

@ -1,3 +1,16 @@
2004-08-11 Ulrich Drepper <drepper@redhat.com>
* time/tzset.c (tzset_internal): Add new parameter which is
nonzero if called through tzset. Use TZDEFAULT name including
name comparison if the new parameter is zero. This means implicit
tzset calls will not cause files to be opened and read by tzfile.c
all the time.
2004-08-11 Jakub Jelinek <jakub@redhat.com>
* time/tzfile.c (__tzfile_read): Free transitions only if it will
not be reused.
2004-08-11 Jakub Jelinek <jakub@redhat.com>
* sysdeps/ieee754/dbl-64/mpa.c: Include <sys/param.h>.

18
time/tzfile.c
View File

@ -104,16 +104,12 @@ __tzfile_read (const char *file, size_t extra, char **extrap)
__use_tzfile = 0;
if (transitions != NULL)
free ((void *) transitions);
transitions = NULL;
if (file == NULL)
/* No user specification; use the site-wide default. */
file = TZDEFAULT;
else if (*file == '\0')
/* User specified the empty string; use UTC with no leap seconds. */
return;
goto ret_free_transitions;
else
{
/* We must not allow to read an arbitrary file in a setuid
@ -127,7 +123,7 @@ __tzfile_read (const char *file, size_t extra, char **extrap)
|| strstr (file, "../") != NULL))
/* This test is certainly a bit too restrictive but it should
catch all critical cases. */
return;
goto ret_free_transitions;
}
if (*file != '/')
@ -156,14 +152,14 @@ __tzfile_read (const char *file, size_t extra, char **extrap)
disabled. */
f = fopen (file, "rc");
if (f == NULL)
return;
goto ret_free_transitions;
/* Get information about the file. */
struct stat64 st;
if (fstat64 (fileno (f), &st) != 0)
{
fclose (f);
return;
goto ret_free_transitions;
}
if (was_using_tzfile && tzfile_ino == st.st_ino && tzfile_dev == st.st_dev)
{
@ -173,6 +169,9 @@ __tzfile_read (const char *file, size_t extra, char **extrap)
return;
}
free ((void *) transitions);
transitions = NULL;
/* Remember the inode and device number. */
tzfile_dev = st.st_dev;
tzfile_ino = st.st_ino;
@ -381,6 +380,9 @@ __tzfile_read (const char *file, size_t extra, char **extrap)
lose:
fclose (f);
ret_free_transitions:
free ((void *) transitions);
transitions = NULL;
}
/* The user specified a hand-made timezone, but not its DST rules.