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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>
This commit is contained in:
Alex Henrie 2022-02-11 09:36:24 -07:00 committed by Junio C Hamano
parent 2b9c120970
commit dccf6c16f1
3 changed files with 18 additions and 0 deletions
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12
graph.c
View File

@ -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;

5
graph.h
View File

@ -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

1
revision.c
View File

@ -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;