1 // SPDX-License-Identifier: GPL-2.0
16 #include <subcmd/exec-cmd.h>
22 #include "build-id.h"
83 		if (len >= sizeof(value) - 1)  in parse_value()
133 			quote = 1-quote;  in parse_value()
142 	return isalnum(c) || c == '-' || c == '_';  in iskeychar()
159 			return -1;  in get_value()
168 			return -1;  in get_value()
171 			return -1;  in get_value()
180 			return -1;  in get_extended_base_var()
186 		return -1;  in get_extended_base_var()
193 			return -1;  in get_extended_base_var()
199 				return -1;  in get_extended_base_var()
203 			return -1;  in get_extended_base_var()
208 		return -1;  in get_extended_base_var()
219 			return -1;  in get_base_var()
225 			return -1;  in get_base_var()
227 			return -1;  in get_base_var()
246 			/* We are at the file beginning; skip UTF8-encoded BOM  in perf_parse_file()
295 	return -1;  in perf_parse_file()
360 		return -1;  in perf_config_u64()
372 		return -1;  in perf_config_int()
384 		return -1;  in perf_config_u8()
404 	return perf_config_int(&ret, name, value) < 0 ? -1 : ret;  in perf_config_bool_or_int()
428 			return -1;  in perf_buildid_config()
430 		strncpy(buildid_dir, dir, MAXPATHLEN-1);  in perf_buildid_config()
431 		buildid_dir[MAXPATHLEN-1] = '\0';  in perf_buildid_config()
439 	if (!strcmp(var, "core.proc-map-timeout"))  in perf_default_core_config()
442 	if (!strcmp(var, "core.addr2line-timeout"))  in perf_default_core_config()
452 	if (!strcmp(var, "ui.show-headers"))  in perf_ui_config()
460 	if (!strcmp(var, "stat.big-num"))  in perf_stat_config()
463 	if (!strcmp(var, "stat.no-csv-summary"))  in perf_stat_config()
466 	if (!strcmp(var, "stat.bpf-counter-events"))  in perf_stat_config()
485 	if (strstarts(var, "call-graph."))  in perf_default_config()
503 	ret = -1;  in perf_config_from_file()
542 	const char *home = NULL;  in home_perfconfig()  local
547 	home = getenv("HOME");  in home_perfconfig()
551 	 *   - there is no place to read it from (HOME)  in home_perfconfig()
552 	 *   - we are asked not to (PERF_CONFIG_NOGLOBAL=1)  in home_perfconfig()
554 	if (!home || !*home || !perf_config_global())  in home_perfconfig()
557 	config = strdup(mkpath(path, sizeof(path), "%s/.perfconfig", home));  in home_perfconfig()
559 		pr_warning("Not enough memory to process %s/.perfconfig, ignoring it.\n", home);  in home_perfconfig()
600 		if (!strcmp(section->name, section_name))  in find_section()
611 	list_for_each_entry(item, &section->items, node)  in find_config_item()
612 		if (!strcmp(item->name, name))  in find_config_item()
626 	INIT_LIST_HEAD(&section->items);  in add_section()
627 	section->name = strdup(section_name);  in add_section()
628 	if (!section->name) {  in add_section()
634 	list_add_tail(&section->node, sections);  in add_section()
646 	item->name = strdup(name);  in add_config_item()
647 	if (!item->name) {  in add_config_item()
653 	list_add_tail(&item->node, &section->items);  in add_config_item()
662 		return -1;  in set_value()
664 	zfree(&item->value);  in set_value()
665 	item->value = val;  in set_value()
672 	int ret = -1;  in collect_config()
673 	char *ptr, *key;  in collect_config()  local
681 		return -1;  in collect_config()
683 	sections = &set->sections;  in collect_config()
684 	key = ptr = strdup(var);  in collect_config()
685 	if (!key) {  in collect_config()
687 		return -1;  in collect_config()
715 		section->from_system_config = true;  in collect_config()
716 		item->from_system_config = true;  in collect_config()
718 		section->from_system_config = false;  in collect_config()
719 		item->from_system_config = false;  in collect_config()
725 	free(key);  in collect_config()
738 	int ret = -1;  in perf_config_set__init()
761 		INIT_LIST_HEAD(&set->sections);  in perf_config_set__new()
773 		INIT_LIST_HEAD(&set->sections);  in perf_config_set__load_file()
792 	char key[BUFSIZ];  in perf_config_set()  local
797 		char *value = item->value;  in perf_config_set()
800 			scnprintf(key, sizeof(key), "%s.%s",  in perf_config_set()
801 				  section->name, item->name);  in perf_config_set()
802 			ret = fn(key, value, data);  in perf_config_set()
804 				pr_err("Error in the given config file: wrong config key-value pair %s=%s\n",  in perf_config_set()
805 				       key, value);  in perf_config_set()
821 		return -1;  in perf_config()
840 	zfree(&item->name);  in perf_config_item__delete()
841 	zfree(&item->value);  in perf_config_item__delete()
849 	list_for_each_entry_safe(item, tmp, &section->items, node) {  in perf_config_section__purge()
850 		list_del_init(&item->node);  in perf_config_section__purge()
858 	zfree(&section->name);  in perf_config_section__delete()
866 	list_for_each_entry_safe(section, tmp, &set->sections, node) {  in perf_config_set__purge()
867 		list_del_init(&section->node);  in perf_config_set__purge()
888 	return -1;  in config_error_nonbool()
896 	/* default to $HOME/.debug */  in set_buildid_dir()
898 		char *home = getenv("HOME");  in set_buildid_dir()  local
900 		if (home) {  in set_buildid_dir()
902 				 home, DEBUG_CACHE_DIR);  in set_buildid_dir()
904 			strncpy(buildid_dir, DEBUG_CACHE_DIR, MAXPATHLEN-1);  in set_buildid_dir()
906 		buildid_dir[MAXPATHLEN-1] = '\0';  in set_buildid_dir()
923 	if (!strcmp(var, d->name))  in perf_config_scan_cb()
924 		d->ret = vsscanf(value, d->fmt, d->args);  in perf_config_scan_cb()