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[31.211.229.121]) by smtp.gmail.com with ESMTPSA id w72sm1808707lff.89.2020.11.29.11.52.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 29 Nov 2020 11:52:51 -0800 (PST) From: =?UTF-8?q?Martin=20=C3=85gren?= To: git@vger.kernel.org Cc: Junio C Hamano , Emily Shaffer , Jeff King Subject: [PATCH v3 2/4] grep: use designated initializers for `grep_defaults` Date: Sun, 29 Nov 2020 20:52:20 +0100 Message-Id: <96313423a75fa8d88b6ecd5a15c21a7fbaf9e9be.1606679312.git.martin.agren@gmail.com> X-Mailer: git-send-email 2.29.2.454.gaff20da3a2 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org In 15fabd1bbd ("builtin/grep.c: make configuration callback more reusable", 2012-10-09), we learned to fill a `static struct grep_opt grep_defaults` which we can use as a blueprint for other such structs. At the time, we didn't consider designated initializers to be widely useable, but these days, we do. (See, e.g., cbc0f81d96 ("strbuf: use designated initializers in STRBUF_INIT", 2017-07-10).) Use designated initializers to let the compiler set up the struct and so that we don't need to remember to call `init_grep_defaults()`. Signed-off-by: Martin Ågren Signed-off-by: Junio C Hamano --- Documentation/MyFirstObjectWalk.txt | 10 +---- grep.h | 1 - builtin/grep.c | 1 - builtin/log.c | 1 - grep.c | 64 +++++++++++------------------ revision.c | 1 - 6 files changed, 26 insertions(+), 52 deletions(-) diff --git a/Documentation/MyFirstObjectWalk.txt b/Documentation/MyFirstObjectWalk.txt index 85434d1938..7f4bffc4dd 100644 --- a/Documentation/MyFirstObjectWalk.txt +++ b/Documentation/MyFirstObjectWalk.txt @@ -388,17 +388,9 @@ Next, let's try to filter the commits we see based on their author. This is equivalent to running `git log --author=`. We can add a filter by modifying `rev_info.grep_filter`, which is a `struct grep_opt`. -First some setup. Add `init_grep_defaults()` to `init_walken_defaults()` and add -`grep_config()` to `git_walken_config()`: +First some setup. Add `grep_config()` to `git_walken_config()`: ---- -static void init_walken_defaults(void) -{ - init_grep_defaults(); -} - -... - static int git_walken_config(const char *var, const char *value, void *cb) { grep_config(var, value, cb); diff --git a/grep.h b/grep.h index 1c5478f381..b5c4e223a8 100644 --- a/grep.h +++ b/grep.h @@ -170,7 +170,6 @@ struct grep_opt { void *output_priv; }; -void init_grep_defaults(void); int grep_config(const char *var, const char *value, void *); void grep_init(struct grep_opt *, struct repository *repo, const char *prefix); void grep_destroy(void); diff --git a/builtin/grep.c b/builtin/grep.c index 2b96efa8c2..ca259af441 100644 --- a/builtin/grep.c +++ b/builtin/grep.c @@ -950,7 +950,6 @@ int cmd_grep(int argc, const char **argv, const char *prefix) OPT_END() }; - init_grep_defaults(); git_config(grep_cmd_config, NULL); grep_init(&opt, the_repository, prefix); diff --git a/builtin/log.c b/builtin/log.c index eee4beca4d..cf41714fb0 100644 --- a/builtin/log.c +++ b/builtin/log.c @@ -131,7 +131,6 @@ static int log_line_range_callback(const struct option *option, const char *arg, static void init_log_defaults(void) { - init_grep_defaults(); init_diff_ui_defaults(); decoration_style = auto_decoration_style(); diff --git a/grep.c b/grep.c index b351449f7f..8f2009ec9f 100644 --- a/grep.c +++ b/grep.c @@ -14,7 +14,31 @@ static int grep_source_load(struct grep_source *gs); static int grep_source_is_binary(struct grep_source *gs, struct index_state *istate); -static struct grep_opt grep_defaults; +static void std_output(struct grep_opt *opt, const void *buf, size_t size) +{ + fwrite(buf, size, 1, stdout); +} + +static struct grep_opt grep_defaults = { + .relative = 1, + .pathname = 1, + .max_depth = -1, + .pattern_type_option = GREP_PATTERN_TYPE_UNSPECIFIED, + .colors = { + [GREP_COLOR_CONTEXT] = "", + [GREP_COLOR_FILENAME] = "", + [GREP_COLOR_FUNCTION] = "", + [GREP_COLOR_LINENO] = "", + [GREP_COLOR_COLUMNNO] = "", + [GREP_COLOR_MATCH_CONTEXT] = GIT_COLOR_BOLD_RED, + [GREP_COLOR_MATCH_SELECTED] = GIT_COLOR_BOLD_RED, + [GREP_COLOR_SELECTED] = "", + [GREP_COLOR_SEP] = GIT_COLOR_CYAN, + }, + .only_matching = 0, + .color = -1, + .output = std_output, +}; #ifdef USE_LIBPCRE2 static pcre2_general_context *pcre2_global_context; @@ -42,49 +66,11 @@ static const char *color_grep_slots[] = { [GREP_COLOR_SEP] = "separator", }; -static void std_output(struct grep_opt *opt, const void *buf, size_t size) -{ - fwrite(buf, size, 1, stdout); -} - static void color_set(char *dst, const char *color_bytes) { xsnprintf(dst, COLOR_MAXLEN, "%s", color_bytes); } -/* - * Initialize the grep_defaults template with hardcoded defaults. - * We could let the compiler do this, but without C99 initializers - * the code gets unwieldy and unreadable, so... - */ -void init_grep_defaults(void) -{ - struct grep_opt *opt = &grep_defaults; - static int run_once; - - if (run_once) - return; - run_once++; - - memset(opt, 0, sizeof(*opt)); - opt->relative = 1; - opt->pathname = 1; - opt->max_depth = -1; - opt->pattern_type_option = GREP_PATTERN_TYPE_UNSPECIFIED; - color_set(opt->colors[GREP_COLOR_CONTEXT], ""); - color_set(opt->colors[GREP_COLOR_FILENAME], ""); - color_set(opt->colors[GREP_COLOR_FUNCTION], ""); - color_set(opt->colors[GREP_COLOR_LINENO], ""); - color_set(opt->colors[GREP_COLOR_COLUMNNO], ""); - color_set(opt->colors[GREP_COLOR_MATCH_CONTEXT], GIT_COLOR_BOLD_RED); - color_set(opt->colors[GREP_COLOR_MATCH_SELECTED], GIT_COLOR_BOLD_RED); - color_set(opt->colors[GREP_COLOR_SELECTED], ""); - color_set(opt->colors[GREP_COLOR_SEP], GIT_COLOR_CYAN); - opt->only_matching = 0; - opt->color = -1; - opt->output = std_output; -} - static int parse_pattern_type_arg(const char *opt, const char *arg) { if (!strcmp(arg, "default")) diff --git a/revision.c b/revision.c index f35ea1db11..963868f699 100644 --- a/revision.c +++ b/revision.c @@ -1834,7 +1834,6 @@ void repo_init_revisions(struct repository *r, revs->commit_format = CMIT_FMT_DEFAULT; revs->expand_tabs_in_log_default = 8; - init_grep_defaults(); grep_init(&revs->grep_filter, revs->repo, prefix); revs->grep_filter.status_only = 1; -- 2.29.2.454.gaff20da3a2