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

[PATCH v4 2/5] builtin/blame.c: refactor commit_info_init() to COMMIT_INFO_INIT macro

From
Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Date
Oct 2, 2021, 20:16 UTC
Message-ID
<patch-v4-2.5-ced1d581f15-20211002T201434Z-avarab@gmail.com>
In-Reply-To
<cover-v4-0.5-00000000000-20211002T201434Z-avarab@gmail.com>

Remove the commit_info_init() function addded in ea02ffa3857 (mailmap: simplify map_user() interface, 2013-01-05) and instead initialize the "struct commit_info" with a macro.

This is the more idiomatic pattern in the codebase, and doesn't leave us wondering when we see the *_init() function if this struct needs more complex initialization than a macro can provide.

The get_commit_info() function is only called by the three callers being changed here immediately after initializing the struct with the macros, so by moving the initialization to the callers we don't need to do it in get_commit_info() anymore.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
---
 builtin/blame.c | 30 +++++++++++++-----------------
 1 file changed, 13 insertions(+), 17 deletions(-)
diff --git a/builtin/blame.c b/builtin/blame.c
index 641523ff9af..1c31a996403 100644
--- a/builtin/blame.c
+++ b/builtin/blame.c
@@ -101,6 +101,16 @@ struct commit_info {
 	struct strbuf summary;
 };
 
+#define COMMIT_INFO_INIT { \
+	.author = STRBUF_INIT, \
+	.author_mail = STRBUF_INIT, \
+	.author_tz = STRBUF_INIT, \
+	.committer = STRBUF_INIT, \
+	.committer_mail = STRBUF_INIT, \
+	.committer_tz = STRBUF_INIT, \
+	.summary = STRBUF_INIT, \
+}
+
 /*
  * Parse author/committer line in the commit object buffer
  */
@@ -160,18 +170,6 @@ static void get_ac_line(const char *inbuf, const char *what,
 	strbuf_add(name, namebuf, namelen);
 }
 
-static void commit_info_init(struct commit_info *ci)
-{
-
-	strbuf_init(&ci->author, 0);
-	strbuf_init(&ci->author_mail, 0);
-	strbuf_init(&ci->author_tz, 0);
-	strbuf_init(&ci->committer, 0);
-	strbuf_init(&ci->committer_mail, 0);
-	strbuf_init(&ci->committer_tz, 0);
-	strbuf_init(&ci->summary, 0);
-}
-
 static void commit_info_destroy(struct commit_info *ci)
 {
 
@@ -192,8 +190,6 @@ static void get_commit_info(struct commit *commit,
 	const char *subject, *encoding;
 	const char *message;
 
-	commit_info_init(ret);
-
 	encoding = get_log_output_encoding();
 	message = logmsg_reencode(commit, NULL, encoding);
 	get_ac_line(message, "\nauthor ",
@@ -246,7 +242,7 @@ static void write_filename_info(struct blame_origin *suspect)
  */
 static int emit_one_suspect_detail(struct blame_origin *suspect, int repeat)
 {
-	struct commit_info ci;
+	struct commit_info ci = COMMIT_INFO_INIT;
 
 	if (!repeat && (suspect->commit->object.flags & METAINFO_SHOWN))
 		return 0;
@@ -440,7 +436,7 @@ static void emit_other(struct blame_scoreboard *sb, struct blame_entry *ent, int
 	int cnt;
 	const char *cp;
 	struct blame_origin *suspect = ent->suspect;
-	struct commit_info ci;
+	struct commit_info ci = COMMIT_INFO_INIT;
 	char hex[GIT_MAX_HEXSZ + 1];
 	int show_raw_time = !!(opt & OUTPUT_RAW_TIMESTAMP);
 	const char *default_color = NULL, *color = NULL, *reset = NULL;
@@ -630,7 +626,7 @@ static void find_alignment(struct blame_scoreboard *sb, int *option)
 		if (longest_file < num)
 			longest_file = num;
 		if (!(suspect->commit->object.flags & METAINFO_SHOWN)) {
-			struct commit_info ci;
+			struct commit_info ci = COMMIT_INFO_INIT;
 			suspect->commit->object.flags |= METAINFO_SHOWN;
 			get_commit_info(suspect->commit, &ci, 1);
 			if (*option & OUTPUT_SHOW_EMAIL)
-- 
2.33.0.1380.g193143c62ce
Previous: Ævar Arnfjörð BjarmasonNext: Ævar Arnfjörð Bjarmason
Message 29 of 33 in “Non-trivial designated initializer conversion”
  1. 0/6 Non-trivial designated initializer conversionÆvar Arnfjörð Bjarmason, Sep 27, 2021
  2. 1/6 daemon.c: refactor hostinfo_init() to HOSTINFO_INIT macroÆvar Arnfjörð Bjarmason, Sep 27, 2021
  3. 2/6 builtin/blame.c: refactor commit_info_init() to COMMIT_INFO_INIT macroÆvar Arnfjörð Bjarmason, Sep 27, 2021
  4. 3/6 shortlog: use designated initializer for "struct shortlog"Ævar Arnfjörð Bjarmason, Sep 27, 2021
  5. Phillip WoodSep 27, 2021
  6. Ævar Arnfjörð BjarmasonSep 27, 2021
  7. 4/6 urlmatch.[ch]: add and use URLMATCH_CONFIG_INITÆvar Arnfjörð Bjarmason, Sep 27, 2021
  8. 5/6 builtin/remote.c: add and use a REF_STATES_INITÆvar Arnfjörð Bjarmason, Sep 27, 2021
  9. 6/6 builtin/remote.c: add and use SHOW_INFO_INITÆvar Arnfjörð Bjarmason, Sep 27, 2021
  10. 0/5 Non-trivial designated initializer conversionÆvar Arnfjörð Bjarmason, Sep 27, 2021
  11. 1/5 daemon.c: refactor hostinfo_init() to HOSTINFO_INIT macroÆvar Arnfjörð Bjarmason, Sep 27, 2021
  12. 2/5 builtin/blame.c: refactor commit_info_init() to COMMIT_INFO_INIT macroÆvar Arnfjörð Bjarmason, Sep 27, 2021
  13. 3/5 urlmatch.[ch]: add and use URLMATCH_CONFIG_INITÆvar Arnfjörð Bjarmason, Sep 27, 2021
  14. Junio C HamanoSep 27, 2021
  15. 4/5 builtin/remote.c: add and use a REF_STATES_INITÆvar Arnfjörð Bjarmason, Sep 27, 2021
  16. Junio C HamanoSep 27, 2021
  17. Ævar Arnfjörð BjarmasonSep 27, 2021
  18. Junio C HamanoSep 27, 2021
  19. 5/5 builtin/remote.c: add and use SHOW_INFO_INITÆvar Arnfjörð Bjarmason, Sep 27, 2021
  20. 0/6 Non-trivial designated initializer conversionÆvar Arnfjörð Bjarmason, Oct 1, 2021
  21. 1/6 daemon.c: refactor hostinfo_init() to HOSTINFO_INIT macroÆvar Arnfjörð Bjarmason, Oct 1, 2021
  22. 2/6 builtin/blame.c: refactor commit_info_init() to COMMIT_INFO_INIT macroÆvar Arnfjörð Bjarmason, Oct 1, 2021
  23. 3/6 urlmatch.[ch]: add and use URLMATCH_CONFIG_INITÆvar Arnfjörð Bjarmason, Oct 1, 2021
  24. 4/6 builtin/remote.c: add and use a REF_STATES_INITÆvar Arnfjörð Bjarmason, Oct 1, 2021
  25. 5/6 builtin/remote.c: add and use SHOW_INFO_INITÆvar Arnfjörð Bjarmason, Oct 1, 2021
  26. 6/6 unpack-trees.[ch]: define and use a UNPACK_TREES_OPTIONS_INITÆvar Arnfjörð Bjarmason, Oct 1, 2021
  27. Junio C HamanoOct 1, 2021
  28. 0/5 Non-trivial designated initializer conversionÆvar Arnfjörð Bjarmason, Oct 2, 2021
  29. 2/5 builtin/blame.c: refactor commit_info_init() to COMMIT_INFO_INIT macroÆvar Arnfjörð Bjarmason, Oct 2, 2021
  30. 1/5 daemon.c: refactor hostinfo_init() to HOSTINFO_INIT macroÆvar Arnfjörð Bjarmason, Oct 2, 2021
  31. 4/5 builtin/remote.c: add and use a REF_STATES_INITÆvar Arnfjörð Bjarmason, Oct 2, 2021
  32. 5/5 builtin/remote.c: add and use SHOW_INFO_INITÆvar Arnfjörð Bjarmason, Oct 2, 2021
  33. 3/5 urlmatch.[ch]: add and use URLMATCH_CONFIG_INITÆvar Arnfjörð Bjarmason, Oct 2, 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.