From: Timo Sirainen <tss@iki.fi>
Date: Mon, 19 Jan 2009 17:08:24 +0000 (-0500)
Subject: dict-file: Fixed a crash.
X-Git-Tag: 1.2.beta1~87
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=3c63c219ae7854b4f1d44a671a65572aa242cbcf;p=thirdparty%2Fdovecot%2Fcore.git

dict-file: Fixed a crash.

--HG--
branch : HEAD
---

diff --git a/src/lib-dict/dict-file.c b/src/lib-dict/dict-file.c
index 01d345c2a4..714bebb900 100644
--- a/src/lib-dict/dict-file.c
+++ b/src/lib-dict/dict-file.c
@@ -256,7 +256,7 @@ static void file_dict_apply_changes(struct file_dict_transaction_context *ctx)
 			diff += changes[i].value.diff;
 			tmp = t_strdup_printf("%lld", diff);
 			new_len = strlen(tmp);
-			if (new_len > strlen(old_value))
+			if (old_value == NULL || new_len > strlen(old_value))
 				value = p_strdup(dict->hash_pool, tmp);
 			else {
 				memcpy(old_value, tmp, new_len + 1);