dovecot-2.0-pigeonhole: Regex match: fixed segfault at deinitial...

[pigeonhole at rename-it.nl]

details:   http://hg.rename-it.nl/dovecot-2.0-pigeonhole/rev/32fd91cbe1e0
changeset: 1369:32fd91cbe1e0
user:      Stephan Bosch <stephan at rename-it.nl>
date:      Thu Aug 12 14:43:04 2010 +0200
description:
Regex match: fixed segfault at deinitialization.

diffstat:

 src/lib-sieve/plugins/regex/mcht-regex.c |  8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diffs (18 lines):

diff -r f6f169a146df -r 32fd91cbe1e0 src/lib-sieve/plugins/regex/mcht-regex.c
--- a/src/lib-sieve/plugins/regex/mcht-regex.c	Thu Aug 12 14:41:46 2010 +0200
+++ b/src/lib-sieve/plugins/regex/mcht-regex.c	Thu Aug 12 14:43:04 2010 +0200
@@ -368,9 +368,11 @@
 	unsigned int count, i;
 
 	/* Clean up compiled regular expressions */
-	rkeys = array_get_modifiable(&ctx->reg_expressions, &count);
-	for ( i = 0; i < count; i++ ) {
-		regfree(&rkeys[i].regexp);
+	if ( array_is_created(&ctx->reg_expressions) ) {
+		rkeys = array_get_modifiable(&ctx->reg_expressions, &count);
+		for ( i = 0; i < count; i++ ) {
+			regfree(&rkeys[i].regexp);
+		}
 	}
 }