From: Alexander Dahl <post@lespocky.de>
Date: Wed, 24 Oct 2012 11:31:10 +0200
Subject: [PATCH] free memory allocated by unescape_special_chars() after not
 needed anymore, should fix #3

---
 src/cgi.c    |    6 ++++--
 src/cookie.c |    7 +++++--
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/src/cgi.c b/src/cgi.c
index e9d76ae..461eba3 100644
--- a/src/cgi.c
+++ b/src/cgi.c
@@ -51,7 +51,7 @@ extern formvars *cookie_end;
 formvars *process_data(char *query, formvars **start, formvars **last, const char delim, const char sep)
 {
 	register size_t position = 0, total_len = 0, i = 0;
-	char *aux;
+	char *aux, *str_unesc;
 	formvars *data;
 
 	if (query == NULL)
@@ -113,8 +113,10 @@ formvars *process_data(char *query, formvars **start, formvars **last, const cha
 		if (data->value == NULL)
 			libcgi_error(E_MEMORY, "%s, line %s", __FILE__, __LINE__);
 
-		strncpy(data->value, cgi_unescape_special_chars(query), position);
+		str_unesc = cgi_unescape_special_chars(query);
+		strncpy(data->value, str_unesc, position);
 		data->value[position] = '\0';
+		free(str_unesc);
 
 		slist_add(data, start, last);
 
diff --git a/src/cookie.c b/src/cookie.c
index e9dee9e..6e84c81 100644
--- a/src/cookie.c
+++ b/src/cookie.c
@@ -83,12 +83,13 @@ formvars *cgi_get_cookies()
 {
 	register formvars *data;
 	register size_t position;
-	char *cookies, *aux;
+	char *cookies, *aux, *str_unesc;
 
 	if ((cookies = getenv("HTTP_COOKIE")) == NULL)
 		return NULL;
 
-	cookies = cgi_unescape_special_chars(cookies);
+	str_unesc = cgi_unescape_special_chars(cookies);
+	cookies = str_unesc;
 	aux = cookies;
 
 	while (cookies) {
@@ -135,6 +136,8 @@ formvars *cgi_get_cookies()
 		cookies = aux;
 	}
 
+	free(str_unesc);
+
 	return cookies_start;
 }