1 files changed, 3 insertions, 2 deletions

diff --git a/html.c b/html.c
index 6f31097..a0f6db4 100644
--- a/html.c
+++ b/html.c
@@ -281,42 +281,43 @@ char *convert_query_hexchar(char *txt)
 	if (d1<0 || d2<0) {
 		memmove(txt, txt+3, n-2);
 		return txt-1;
 	} else {
 		*txt = d1 * 16 + d2;
 		memmove(txt+1, txt+3, n-2);
 		return txt;
 	}
 }
 
 int http_parse_querystring(const char *txt_, void (*fn)(const char *name, const char *value))
 {
-	char *t, *txt, *value = NULL, c;
+	char *o, *t, *txt, *value = NULL, c;
 
 	if (!txt_)
 		return 0;
 
-	t = txt = strdup(txt_);
+	o = t = txt = strdup(txt_);
 	if (t == NULL) {
 		printf("Out of memory\n");
 		exit(1);
 	}
 	while((c=*t) != '\0') {
 		if (c=='=') {
 			*t = '\0';
 			value = t+1;
 		} else if (c=='+') {
 			*t = ' ';
 		} else if (c=='%') {
 			t = convert_query_hexchar(t);
 		} else if (c=='&') {
 			*t = '\0';
 			(*fn)(txt, value);
 			txt = t+1;
 			value = NULL;
 		}
 		t++;
 	}
 	if (t!=txt)
 		(*fn)(txt, value);
+	free(o);
 	return 0;
 }