{maint} uniqstr: fix assertion

[Akim Demaille]

From b663fd53228e3a27763d3057da08b557b70cf1b9 Mon Sep 17 00:00:00 2001
From: Valentin Tolmer <address@hidden>
Date: Thu, 1 Aug 2013 14:53:54 +0200
Subject: [PATCH] uniqstr: fix assertion

* src/uniqstr.c (uniqstr_assert): Really make sure str is a uniqstr,
not just whether some uniqstr with the same content was registered.
---
 src/uniqstr.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/uniqstr.c b/src/uniqstr.c
index 4446c0e..37345dc 100644
--- a/src/uniqstr.c
+++ b/src/uniqstr.c
@@ -77,7 +77,8 @@ uniqstr_vsprintf (char const *format, ...)
 void
 uniqstr_assert (char const *str)
 {
-  if (!hash_lookup (uniqstrs_table, str))
+  uniqstr *s = hash_lookup (uniqstrs_table, str);
+  if (!s || s != (uniqstr *)str)
     {
       error (0, 0,
              "not a uniqstr: %s", quotearg (str));
-- 
1.8.3.4