sway

commit f85d0740a83c32f9ef4d7f73b3dd25cff3a6239a
parent 22675b01118766c980d9c9c66453fb5d5318cdef
Author: Alexander 'z33ky' Hirsch <1zeeky@gmail.com>
Date:   Thu, 20 Aug 2015 02:24:47 +0200

Fix potential memory leak

Diffstat:
M
sway/readline.c
 | 
12
++++++++----

1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/sway/readline.c b/sway/readline.c
@@ -17,18 +17,22 @@ char *read_line(FILE *file) {
 			continue;
 		}
 		if (length == size) {
-			string = realloc(string, size *= 2);
-			if (!string) {
+			char *new_string = realloc(string, size *= 2);
+			if (!new_string) {
+				free(string);
 				return NULL;
 			}
+			string = new_string;
 		}
 		string[length++] = c;
 	}
 	if (length + 1 == size) {
-		string = realloc(string, length + 1);
-		if (!string) {
+		char *new_string = realloc(string, length + 1);
+		if (!new_string) {
+			free(string);
 			return NULL;
 		}
+		string = new_string;
 	}
 	string[length] = '\0';
 	return string;