[Resend PATCH] Fix some memory leaks in various places

[Mike Hommey <mh@glandium.org>]

Signed-off-by: Mike Hommey <mh@glandium.org>
---

 I think I sent this already last month, but since I see that nowhere on
 next or master, I'm resending, just in case it got lost.

 builtin-init-db.c |    1 +
 http-walker.c     |   10 ++++++++++
 walker.c          |    2 ++
 3 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/builtin-init-db.c b/builtin-init-db.c
index e1393b8..df61758 100644
--- a/builtin-init-db.c
+++ b/builtin-init-db.c
@@ -415,6 +415,7 @@ int cmd_init_db(int argc, const char **argv, const char *prefix)
 	safe_create_dir(path, 1);
 	strcpy(path+len, "/info");
 	safe_create_dir(path, 1);
+	free(path);
 
 	if (shared_repository) {
 		char buf[10];
diff --git a/http-walker.c b/http-walker.c
index 2c37868..1a02f86 100644
--- a/http-walker.c
+++ b/http-walker.c
@@ -231,6 +231,8 @@ static void finish_object_request(struct object_request *obj_req)
 {
 	struct stat st;
 
+	free(obj_req->url);
+
 	fchmod(obj_req->local, 0444);
 	close(obj_req->local); obj_req->local = -1;
 
@@ -897,9 +899,17 @@ static int fetch_ref(struct walker *walker, char *ref, unsigned char *sha1)
 static void cleanup(struct walker *walker)
 {
 	struct walker_data *data = walker->data;
+	struct alt_base *prev_altbase, *altbase = data->alt;
+	while (altbase) {
+		free(altbase->base);
+		prev_altbase = altbase;
+		altbase = altbase->next;
+		free(prev_altbase);
+	}
 	http_cleanup();
 
 	curl_slist_free_all(data->no_pragma_header);
+	free(data);
 }
 
 struct walker *get_http_walker(const char *url)
diff --git a/walker.c b/walker.c
index adc3e80..64fc419 100644
--- a/walker.c
+++ b/walker.c
@@ -299,6 +299,7 @@ int walker_fetch(struct walker *walker, int targets, char **target,
 			goto unlock_and_fail;
 	}
 	free(msg);
+	free(sha1);
 
 	return 0;
 
@@ -306,6 +307,7 @@ unlock_and_fail:
 	for (i = 0; i < targets; i++)
 		if (lock[i])
 			unlock_ref(lock[i]);
+	free(sha1);
 
 	return -1;
 }
-- 
1.5.4.rc3.30.gb084e