From 7a7c2c24654f7ab69b1cec72c329c8d73f0e4c04 Mon Sep 17 00:00:00 2001
From: Andreas Schwab <aschwab@redhat.com>
Date: Tue, 23 Jun 2009 09:13:30 -0700
Subject: Handle empty TZ strings at the end of new-style timzeone files
 correctly.

---
 time/tzfile.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'time/tzfile.c')

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.  */
-- 
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