log: fix memory leak if --graph is passed multiple times
Signed-off-by: Alex Henrie <alexhenrie24@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Alex Henrie committed
Feb 11, 2022 at 09:36 UTC
dccf6c16f1cee485f05ef42ba67a9309c358a78d
3 files changed
+18
graph.c
+12
index e3828eb8f2..568b6e7cd4 100644
--- a/graph.c
+++ b/graph.c
@@ -401,6 +401,18 @@ struct git_graph *graph_init(struct rev_info *opt)
return graph;
}
+void graph_clear(struct git_graph *graph)
+{
+ if (!graph)
+ return;
+
+ free(graph->columns);
+ free(graph->new_columns);
+ free(graph->mapping);
+ free(graph->old_mapping);
+ free(graph);
+}
+
static void graph_update_state(struct git_graph *graph, enum graph_state s)
{
graph->prev_state = graph->state;
graph.h
+5
index 8313e293c7..e88632a014 100644
--- a/graph.h
+++ b/graph.h
@@ -139,6 +139,11 @@ void graph_set_column_colors(const char **colors, unsigned short colors_max);
*/
struct git_graph *graph_init(struct rev_info *opt);
+/*
+ * Free a struct git_graph.
+ */
+void graph_clear(struct git_graph *graph);
+
/*
* Update a git_graph with a new commit.
* This will cause the graph to begin outputting lines for the new commit
revision.c
+1
index ad4286fbdd..816061f3d9 100644
--- a/revision.c
+++ b/revision.c
@@ -2426,6 +2426,7 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
} else if (!strcmp(arg, "--graph")) {
revs->topo_order = 1;
revs->rewrite_parents = 1;
+ graph_clear(revs->graph);
revs->graph = graph_init(revs);
} else if (!strcmp(arg, "--encode-email-headers")) {
revs->encode_email_headers = 1;