git/list[1] front-page[2] threads[3] people[4] search[5] about
 

[PATCH 2/3] ref-filter API user: add and use a ref_sorting_release()

From
Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Date
Oct 20, 2021, 18:27 UTC
Message-ID
<patch-2.3-07062ca276a-20211020T182516Z-avarab@gmail.com>
In-Reply-To
<cover-0.3-00000000000-20211020T182516Z-avarab@gmail.com>

Add a ref_sorting_release() and use it for some of the current API users, the ref_sorting_default() function and its siblings will do a malloc() which wasn't being free'd previously.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
---
 builtin/for-each-ref.c | 2 +-
 builtin/tag.c          | 1 +
 ref-filter.c           | 9 +++++++++
 ref-filter.h           | 2 ++
 4 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/builtin/for-each-ref.c b/builtin/for-each-ref.c
index 642b4b888fb..16a2c7d57ca 100644
--- a/builtin/for-each-ref.c
+++ b/builtin/for-each-ref.c
@@ -96,6 +96,6 @@ int cmd_for_each_ref(int argc, const char **argv, const char *prefix)
 	ref_array_clear(&array);
 	free_commit_list(filter.with_commit);
 	free_commit_list(filter.no_commit);
-	UNLEAK(sorting);
+	ref_sorting_release(sorting);
 	return 0;
 }
diff --git a/builtin/tag.c b/builtin/tag.c
index ad6c9855914..6fe646710d6 100644
--- a/builtin/tag.c
+++ b/builtin/tag.c
@@ -630,6 +630,7 @@ int cmd_tag(int argc, const char **argv, const char *prefix)
 		       find_unique_abbrev(&prev, DEFAULT_ABBREV));
 
 cleanup:
+	ref_sorting_release(sorting);
 	strbuf_release(&buf);
 	strbuf_release(&ref);
 	strbuf_release(&reflog_msg);
diff --git a/ref-filter.c b/ref-filter.c
index add429be797..282cdad1036 100644
--- a/ref-filter.c
+++ b/ref-filter.c
@@ -2705,6 +2705,15 @@ int parse_opt_ref_sorting(const struct option *opt, const char *arg, int unset)
 	return 0;
 }
 
+void ref_sorting_release(struct ref_sorting *sorting)
+{
+	while (sorting) {
+		struct ref_sorting *next = sorting->next;
+		free(sorting);
+		sorting = next;
+	}
+}
+
 int parse_opt_merge_filter(const struct option *opt, const char *arg, int unset)
 {
 	struct ref_filter *rf = opt->value;
diff --git a/ref-filter.h b/ref-filter.h
index b636f4389d0..6228458d306 100644
--- a/ref-filter.h
+++ b/ref-filter.h
@@ -127,6 +127,8 @@ void parse_ref_sorting(struct ref_sorting **sorting_tail, const char *atom);
 int parse_opt_ref_sorting(const struct option *opt, const char *arg, int unset);
 /*  Default sort option based on refname */
 struct ref_sorting *ref_default_sorting(void);
+/* Release a "struct ref_sorting" */
+void ref_sorting_release(struct ref_sorting *);
 /*  Function to parse --merged and --no-merged options */
 int parse_opt_merge_filter(const struct option *opt, const char *arg, int unset);
 /*  Get the current HEAD's description */
-- 
2.33.1.1338.g20da966911a
Previous: Ævar Arnfjörð BjarmasonNext: Ævar Arnfjörð Bjarmason
Message 15 of 20 in “for-each-ref: delay parsing of --sort=<atom> options”
  1. for-each-ref: delay parsing of --sort=<atom> optionsJunio C Hamano, Oct 18, 2021
  2. Jeff KingOct 19, 2021
  3. Jeff KingOct 20, 2021
  4. Ævar Arnfjörð BjarmasonOct 20, 2021
  5. 0/4 for-each-ref: delay parsing of --sort=<atom> options + linux-leaks fixesÆvar Arnfjörð Bjarmason, Oct 20, 2021
  6. 1/4 tag: use a "goto cleanup" pattern, leak less memoryÆvar Arnfjörð Bjarmason, Oct 20, 2021
  7. Junio C HamanoOct 20, 2021
  8. 2/4 ref-filter API user: add and use a ref_sorting_release()Ævar Arnfjörð Bjarmason, Oct 20, 2021
  9. Junio C HamanoOct 20, 2021
  10. 3/4 for-each-ref: delay parsing of --sort=<atom> optionsÆvar Arnfjörð Bjarmason, Oct 20, 2021
  11. 4/4 branch: use ref_sorting_release()Ævar Arnfjörð Bjarmason, Oct 20, 2021
  12. Junio C HamanoOct 20, 2021
  13. 0/3 ref-filter: add a ref_sorting_release()Ævar Arnfjörð Bjarmason, Oct 20, 2021
  14. 1/3 tag: use a "goto cleanup" pattern, leak less memoryÆvar Arnfjörð Bjarmason, Oct 20, 2021
  15. 2/3 ref-filter API user: add and use a ref_sorting_release()Ævar Arnfjörð Bjarmason, Oct 20, 2021
  16. 3/3 branch: use ref_sorting_release()Ævar Arnfjörð Bjarmason, Oct 20, 2021
  17. Junio C HamanoOct 20, 2021
  18. Jeff KingOct 20, 2021
  19. Junio C HamanoOct 20, 2021
  20. Jeff KingOct 21, 2021

Read the whole thread, see it on lore, or plain text.

$ cat FOOTERMessages come from the public archive at lore.kernel.org/git, fetched every hour. The front page is chosen and written each morning by an AI editor and can be wrong; the threads themselves are the record. About and API. For agents: an MCP server at https://gitlist.dev/mcp, and any thread, story or person page as Markdown by adding .md to its URL (or sending Accept: text/markdown). Details in /llms.txt.