Fix use after free and memory leak

1 files changed, 6 insertions, 3 deletions

diff --git a/parser.c b/parser.c
index b756eae..2c4a7d6 100644
--- a/parser.c
+++ b/parser.c
@@ -201,6 +201,7 @@ parse_op(char *str, char *name) {
 
 int
 parse_expr(char *str) {
+	int ret = 0;
 	const char *expr_sep = ": ";
 	char *ident = NULL;
 	char *next = NULL;
@@ -217,7 +218,9 @@ parse_expr(char *str) {
 
 	op = next + strlen(expr_sep);
 
-	return parse_op(op, ident);
+	ret = parse_op(op, ident);
+	free(ident);
+	return ret;
 }
 
 int
@@ -297,12 +300,12 @@ parse_line(char *line) {
 		}
 	}
 
-	free(tok);
-
 	if (match == 0) {
 		emit_error("invalid token \"%s\"", tok);
+		free(tok);
 		return 1;
 	}
+	free(tok);
 	return 0;
 }