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-rw-r--r--graph.c12
-rw-r--r--graph.h5
-rw-r--r--revision.c1
3 files changed, 18 insertions, 0 deletions
diff --git a/graph.c b/graph.c
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;
diff --git a/graph.h b/graph.h
index 8313e293c7..e88632a014 100644
--- a/graph.h
+++ b/graph.h
@@ -140,6 +140,11 @@ 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
* the next time graph_next_line() is called.
diff --git a/revision.c b/revision.c
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;