2 This file is part of PulseAudio.
4 Copyright 2004-2006 Lennart Poettering
6 PulseAudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as published
8 by the Free Software Foundation; either version 2.1 of the License,
9 or (at your option) any later version.
11 PulseAudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with PulseAudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
30 #include <pulse/xmalloc.h>
32 #include <pulsecore/core-error.h>
33 #include <pulsecore/log.h>
34 #include <pulsecore/core-util.h>
35 #include <pulsecore/macro.h>
37 #include "conf-parser.h"
39 #define WHITESPACE " \t\n"
40 #define COMMENTS "#;\n"
42 /* Run the user supplied parser for an assignment */
43 static int next_assignment(
47 const pa_config_item *t,
57 for (; t->parse; t++) {
59 if (t->lvalue && !pa_streq(lvalue, t->lvalue))
62 if (t->section && !section)
65 if (t->section && !pa_streq(section, t->section))
68 return t->parse(filename, line, section, lvalue, rvalue, t->data, userdata);
71 pa_log("[%s:%u] Unknown lvalue '%s' in section '%s'.", filename, line, lvalue, pa_strna(section));
76 /* Parse a variable assignment line */
77 static int parse_line(const char *filename, unsigned line, char **section, const pa_config_item *t, char *l, void *userdata) {
80 b = l+strspn(l, WHITESPACE);
82 if ((c = strpbrk(b, COMMENTS)))
88 if (pa_startswith(b, ".include ")) {
89 char *path = NULL, *fn;
93 if (!pa_is_path_absolute(fn)) {
95 if ((k = strrchr(filename, '/'))) {
96 char *dir = pa_xstrndup(filename, k-filename);
97 fn = path = pa_sprintf_malloc("%s" PA_PATH_SEP "%s", dir, fn);
102 r = pa_config_parse(fn, NULL, t, userdata);
114 pa_log("[%s:%u] Invalid section header.", filename, line);
119 *section = pa_xstrndup(b+1, k-2);
123 if (!(e = strchr(b, '='))) {
124 pa_log("[%s:%u] Missing '='.", filename, line);
131 return next_assignment(filename, line, *section, t, pa_strip(b), pa_strip(e), userdata);
134 /* Go through the file and parse each line */
135 int pa_config_parse(const char *filename, FILE *f, const pa_config_item *t, void *userdata) {
138 pa_bool_t do_close = !f;
139 char *section = NULL;
144 if (!f && !(f = pa_fopen_cloexec(filename, "r"))) {
145 if (errno == ENOENT) {
146 pa_log_debug("Failed to open configuration file '%s': %s", filename, pa_cstrerror(errno));
151 pa_log_warn("Failed to open configuration file '%s': %s", filename, pa_cstrerror(errno));
158 if (!fgets(l, sizeof(l), f)) {
162 pa_log_warn("Failed to read configuration file '%s': %s", filename, pa_cstrerror(errno));
166 if (parse_line(filename, ++line, §ion, t, l, userdata) < 0)
181 int pa_config_parse_int(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata) {
190 if (pa_atoi(rvalue, &k) < 0) {
191 pa_log("[%s:%u] Failed to parse numeric value: %s", filename, line, rvalue);
199 int pa_config_parse_unsigned(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata) {
208 if (pa_atou(rvalue, &k) < 0) {
209 pa_log("[%s:%u] Failed to parse numeric value: %s", filename, line, rvalue);
217 int pa_config_parse_size(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata) {
226 if (pa_atou(rvalue, &k) < 0) {
227 pa_log("[%s:%u] Failed to parse numeric value: %s", filename, line, rvalue);
235 int pa_config_parse_bool(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata) {
244 if ((k = pa_parse_boolean(rvalue)) < 0) {
245 pa_log("[%s:%u] Failed to parse boolean value: %s", filename, line, rvalue);
254 int pa_config_parse_not_bool(
255 const char *filename, unsigned line,
257 const char *lvalue, const char *rvalue,
258 void *data, void *userdata) {
268 if ((k = pa_parse_boolean(rvalue)) < 0) {
269 pa_log("[%s:%u] Failed to parse boolean value: %s", filename, line, rvalue);
278 int pa_config_parse_string(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata) {
287 *s = *rvalue ? pa_xstrdup(rvalue) : NULL;