From 44482ce76d6a815efb810ea3fcc821a58442052b Mon Sep 17 00:00:00 2001
From: trawick <trawick@13f79535-47bb-0310-9956-ffa450edef68>
Date: Sun, 17 May 2009 15:55:11 +0000
Subject: prevent crash if apr_hook_deregister_all() called but no hooks had
 been registered

git-svn-id: http://svn.apache.org/repos/asf/apr/apr/trunk@775681 13f79535-47bb-0310-9956-ffa450edef68
---
 hooks/apr_hooks.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'hooks/apr_hooks.c')

diff --git a/hooks/apr_hooks.c b/hooks/apr_hooks.c
index d8eb82d23..6abe19356 100644
--- a/hooks/apr_hooks.c
+++ b/hooks/apr_hooks.c
@@ -265,6 +265,10 @@ APU_DECLARE(void) apr_hook_deregister_all(void)
 #endif
     int n;    
 
+    if (!s_aHooksToSort) {
+        return;
+    }
+
     for(n=0 ; n < s_aHooksToSort->nelts ; ++n) {
         HookSortEntry *pEntry=&((HookSortEntry *)s_aHooksToSort->elts)[n];
         *pEntry->paHooks=NULL;
-- 
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