aboutsummaryrefslogtreecommitdiff
path: root/time/tzfile.c
diff options
context:
space:
mode:
Diffstat (limited to 'time/tzfile.c')
-rw-r--r--time/tzfile.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/time/tzfile.c b/time/tzfile.c
index d8bd55a..f4cba46 100644
--- a/time/tzfile.c
+++ b/time/tzfile.c
@@ -419,6 +419,10 @@ __tzfile_read (const char *file, size_t extra, char **extrap)
tzspec = __tzstring (tzstr);
}
+ /* Don't use an empty TZ string. */
+ if (tzspec != NULL && tzspec[0] == '\0')
+ tzspec = NULL;
+
fclose (f);
/* First "register" all timezone names. */