[PATCH v2 20/20] merge-ort: free data structures in merge_finalize()

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Signed-off-by: Elijah Newren <newren@xxxxxxxxx>
---
 merge-ort.c | 32 +++++++++++++++++++++++++++++++-
 1 file changed, 31 insertions(+), 1 deletion(-)

diff --git a/merge-ort.c b/merge-ort.c
index 19c30117b0..c6a0fc388f 100644
--- a/merge-ort.c
+++ b/merge-ort.c
@@ -81,6 +81,16 @@ static int err(struct merge_options *opt, const char *err, ...)
 	return -1;
 }
 
+static void free_strmap_strings(struct strmap *map)
+{
+	struct hashmap_iter iter;
+	struct strmap_entry *entry;
+
+	strmap_for_each_entry(map, &iter, entry) {
+		free((char*)entry->key);
+	}
+}
+
 static void setup_path_info(struct merge_options *opt,
 			    struct string_list_item *result,
 			    const char *current_dir_name,
@@ -839,7 +849,27 @@ void merge_switch_to_result(struct merge_options *opt,
 void merge_finalize(struct merge_options *opt,
 		    struct merge_result *result)
 {
-	die("Not yet implemented");
+	struct merge_options_internal *opti = result->priv;
+
+	assert(opt->priv == NULL);
+
+	/*
+	 * We marked opti->paths with strdup_strings = 0, so that we
+	 * wouldn't have to make another copy of the fullpath created by
+	 * make_traverse_path from setup_path_info().  But, now that we've
+	 * used it and have no other references to these strings, it is time
+	 * to deallocate them.
+	 */
+	free_strmap_strings(&opti->paths);
+	strmap_clear(&opti->paths, 1);
+
+	/*
+	 * All strings and util fields in opti->unmerged are a subset of
+	 * those in opti->paths.  We don't want to deallocate anything
+	 * twice, so we don't free the strings we pass 0 for free_util.
+	 */
+	strmap_clear(&opti->unmerged, 0);
+	FREE_AND_NULL(opti);
 }
 
 static void merge_start(struct merge_options *opt, struct merge_result *result)
-- 
2.29.0.471.ga4f56089c0




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