From 5cfd7cf68f0550bca32f4d1c123632db92657f63 Mon Sep 17 00:00:00 2001
From: Eric Fischer <enf@pobox.com>
Date: Wed, 27 Apr 2016 10:31:10 -0700
Subject: [PATCH] Don't leak layer names

---
 geojson.c | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/geojson.c b/geojson.c
index f9124d2..e5c7afa 100644
--- a/geojson.c
+++ b/geojson.c
@@ -79,6 +79,22 @@ struct source {
 	struct source *next;
 };
 
+struct tofree {
+	void *p;
+	struct tofree *next;
+} *tofree = NULL;
+
+void mustfree(void *p) {
+	struct tofree *f = malloc(sizeof(struct tofree));
+	if (f == NULL) {
+		perror("malloc");
+		exit(EXIT_FAILURE);
+	}
+	f->p = p;
+	f->next = tofree;
+	tofree = f;
+}
+
 int CPUS;
 int TEMP_FILES;
 long long MAX_FILES;
@@ -2580,6 +2596,8 @@ int main(int argc, char **argv) {
 				perror("Out of memory");
 				exit(EXIT_FAILURE);
 			}
+			mustfree(src->layer);
+			mustfree(src->file);
 			src->layer[cp - optarg] = '\0';
 			src->next = sources;
 			sources = src;
@@ -2846,5 +2864,12 @@ int main(int argc, char **argv) {
 	pool_free(&exclude);
 	pool_free(&include);
 
+	struct tofree *tf, *next;
+	for (tf = tofree; tf != NULL; tf = next) {
+		next = tf->next;
+		free(tf->p);
+		free(tf);
+	}
+
 	return ret;
 }