[Forensics-changes] [yara] 298/415: Fix memory leak

[Hilko Bengen]

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bengen pushed a commit to branch debian
in repository yara.

commit 45a6a96e09d7d68c29887dc6ad0cf247219ce2b4
Author: Victor M. Alvarez <plusvic at gmail.com>
Date:   Sat Dec 7 18:14:58 2013 +0100

    Fix memory leak
---
 libyara/rules.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libyara/rules.c b/libyara/rules.c
index bfbf264..f40b58d 100644
--- a/libyara/rules.c
+++ b/libyara/rules.c
@@ -742,6 +742,10 @@ int yr_rules_define_string_variable(
     if (strcmp(external->identifier, identifier) == 0)
     {
       external->type = EXTERNAL_VARIABLE_TYPE_MALLOC_STRING;
+
+      if (external->string != NULL)
+        yr_free(external->string);
+
       external->string = yr_strdup(value);
       break;
     }

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