Function get_value

builtin/config.c:538–652

}

static int get_value(const struct config_location_options *opts,
		     const struct config_display_options *display_opts,
		     const char *key_, const char *regex_,
		     unsigned get_value_flags, unsigned flags)
{
	int ret = CONFIG_GENERIC_ERROR;
	struct strbuf_list values = {NULL};
	struct collect_config_data data = {
		.display_opts = display_opts,
		.values = &values,
		.get_value_flags = get_value_flags,
		.flags = flags,
	};
	char *key = NULL;
	int i;

	if (get_value_flags & GET_VALUE_KEY_REGEXP) {
		char *tl;

		/*
		 * NEEDSWORK: this naive pattern lowercasing obviously does not
		 * work for more complex patterns like "^[^.]*Foo.*bar".
		 * Perhaps we should deprecate this altogether someday.
		 */

		key = xstrdup(key_);
		for (tl = key + strlen(key) - 1;
		     tl >= key && *tl != '.';
		     tl--)
			*tl = tolower(*tl);
		for (tl = key; *tl && *tl != '.'; tl++)
			*tl = tolower(*tl);

		data.key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
		if (regcomp(data.key_regexp, key, REG_EXTENDED)) {
			error(_("invalid key pattern: %s"), key_);
			FREE_AND_NULL(data.key_regexp);
			ret = CONFIG_INVALID_PATTERN;
			goto free_strings;
		}
	} else {
		if (git_config_parse_key(key_, &key, NULL)) {
			ret = CONFIG_INVALID_KEY;
			goto free_strings;
		}

		data.key = key;
	}

	if (regex_ && (flags & CONFIG_FLAGS_FIXED_VALUE))
		data.value_pattern = regex_;
	else if (regex_) {
		if (regex_[0] == '!') {
			data.do_not_match = 1;
			regex_++;
		}

		data.regexp = (regex_t*)xmalloc(sizeof(regex_t));