3  * config.c
8  * Copyright (C) Linus Torvalds, 2005
9  * Copyright (C) Johannes Schindelin, 2005
49 	int c;  in get_next_char()  local
52 	c = '\n';  in get_next_char()
54 		c = fgetc(f);  in get_next_char()
55 		if (c == '\r') {  in get_next_char()
57 			c = fgetc(f);  in get_next_char()
58 			if (c != '\n') {  in get_next_char()
59 				ungetc(c, f);  in get_next_char()
60 				c = '\r';  in get_next_char()
63 		if (c == '\n')  in get_next_char()
65 		if (c == EOF) {  in get_next_char()
66 			config_file_eof = 1;  in get_next_char()
67 			c = '\n';  in get_next_char()
70 	return c;  in get_next_char()
80 		int c = get_next_char();  in parse_value()  local
82 		if (len >= sizeof(value) - 1)  in parse_value()
84 		if (c == '\n') {  in parse_value()
92 		if (isspace(c) && !quote) {  in parse_value()
93 			space = 1;  in parse_value()
97 			if (c == ';' || c == '#') {  in parse_value()
98 				comment = 1;  in parse_value()
107 		if (c == '\\') {  in parse_value()
108 			c = get_next_char();  in parse_value()
109 			switch (c) {  in parse_value()
113 				c = '\t';  in parse_value()
116 				c = '\b';  in parse_value()
119 				c = '\n';  in parse_value()
128 			value[len++] = c;  in parse_value()
131 		if (c == '"') {  in parse_value()
132 			quote = 1-quote;  in parse_value()
135 		value[len++] = c;  in parse_value()
139 static inline int iskeychar(int c)  in iskeychar()  argument
141 	return isalnum(c) || c == '-' || c == '_';  in iskeychar()
146 	int c;  in get_value()  local
151 		c = get_next_char();  in get_value()
154 		if (!iskeychar(c))  in get_value()
156 		name[len++] = c;  in get_value()
158 			return -1;  in get_value()
161 	while (c == ' ' || c == '\t')  in get_value()
162 		c = get_next_char();  in get_value()
165 	if (c != '\n') {  in get_value()
166 		if (c != '=')  in get_value()
167 			return -1;  in get_value()
170 			return -1;  in get_value()
175 static int get_extended_base_var(char *name, int baselen, int c)  in get_extended_base_var()  argument
178 		if (c == '\n')  in get_extended_base_var()
179 			return -1;  in get_extended_base_var()
180 		c = get_next_char();  in get_extended_base_var()
181 	} while (isspace(c));  in get_extended_base_var()
184 	if (c != '"')  in get_extended_base_var()
185 		return -1;  in get_extended_base_var()
192 			return -1;  in get_extended_base_var()
198 				return -1;  in get_extended_base_var()
202 			return -1;  in get_extended_base_var()
207 		return -1;  in get_extended_base_var()
216 		int c = get_next_char();  in get_base_var()  local
218 			return -1;  in get_base_var()
219 		if (c == ']')  in get_base_var()
221 		if (isspace(c))  in get_base_var()
222 			return get_extended_base_var(name, baselen, c);  in get_base_var()
223 		if (!iskeychar(c) && c != '.')  in get_base_var()
224 			return -1;  in get_base_var()
226 			return -1;  in get_base_var()
227 		name[baselen++] = tolower(c);  in get_base_var()
242 		int line, c = get_next_char();  in perf_parse_file()  local
248 			if ((unsigned char) c == *bomptr) {  in perf_parse_file()
259 		if (c == '\n') {  in perf_parse_file()
265 		if (comment || isspace(c))  in perf_parse_file()
267 		if (c == '#' || c == ';') {  in perf_parse_file()
268 			comment = 1;  in perf_parse_file()
271 		if (c == '[') {  in perf_parse_file()
279 		if (!isalpha(c))  in perf_parse_file()
281 		var[baselen] = tolower(c);  in perf_parse_file()
288 		if (get_value(fn, data, var, baselen+1) < 0) {  in perf_parse_file()
294 	return -1;  in perf_parse_file()
300 		return 1;  in parse_unit_factor()
303 		return 1;  in parse_unit_factor()
307 		return 1;  in parse_unit_factor()
311 		return 1;  in parse_unit_factor()
321 		unsigned long factor = 1;  in perf_parse_llong()
326 		return 1;  in perf_parse_llong()
336 		unsigned long factor = 1;  in perf_parse_long()
340 		return 1;  in perf_parse_long()
359 		return -1;  in perf_config_u64()
371 		return -1;  in perf_config_int()
383 		return -1;  in perf_config_u8()
393 	*is_bool = 1;  in perf_config_bool_or_int()
395 		return 1;  in perf_config_bool_or_int()
399 		return 1;  in perf_config_bool_or_int()
403 	return perf_config_int(&ret, name, value) < 0 ? -1 : ret;  in perf_config_bool_or_int()
427 			return -1;  in perf_buildid_config()
429 		strncpy(buildid_dir, dir, MAXPATHLEN-1);  in perf_buildid_config()
430 		buildid_dir[MAXPATHLEN-1] = '\0';  in perf_buildid_config()
497 	ret = -1;  in perf_config_from_file()
501 		config_linenr = 1;  in perf_config_from_file()
602 		return -1;  in set_value()
612 	int ret = -1;  in collect_config()
621 		return -1;  in collect_config()
627 		return -1;  in collect_config()
678 	int ret = -1;  in perf_config_set__init()
696 	 *   - we are asked not to (PERF_CONFIG_NOGLOBAL=1)  in perf_config_set__init()
757 		return -1;  in perf_config()
843 	return -1;  in config_error_nonbool()
859 			strncpy(buildid_dir, DEBUG_CACHE_DIR, MAXPATHLEN-1);  in set_buildid_dir()
861 		buildid_dir[MAXPATHLEN-1] = '\0';  in set_buildid_dir()
864 	setenv("PERF_BUILDID_DIR", buildid_dir, 1);  in set_buildid_dir()