2 * Asterisk -- A telephony toolkit for Linux.
4 * Configuration File Parser
6 * Copyright (C) 1999, Adtran Inc. and Linux Support Services, LLC
8 * Mark Spencer <markster@linux-support.net>
10 * This program is free software, distributed under the terms of
11 * the GNU General Public License
19 #include <asterisk/config.h>
20 #include <asterisk/options.h>
21 #include <asterisk/logger.h>
26 struct ast_variable *root;
27 struct ast_category *next;
31 /* Maybe this structure isn't necessary but we'll keep it
33 struct ast_category *root;
36 static char *strip(char *buf)
39 /* Strip off trailing whitespace, returns, etc */
40 while(strlen(buf) && (buf[strlen(buf)-1]<33))
41 buf[strlen(buf)-1] = '\0';
43 /* Strip off leading whitespace, returns, etc */
44 while(*start && (*start < 33))
49 void ast_destroy(struct ast_config *ast)
51 struct ast_category *cat, *catn;
52 struct ast_variable *v, *vn;
73 /* Determine if this is a true value */
74 if (!strcasecmp(s, "yes") ||
75 !strcasecmp(s, "true") ||
76 !strcasecmp(s, "y") ||
77 !strcasecmp(s, "t") ||
83 struct ast_variable *ast_variable_browse(struct ast_config *config, char *category)
85 struct ast_category *cat;
88 if (!strcasecmp(cat->name, category))
95 char *ast_variable_retrieve(struct ast_config *config, char *category, char *value)
97 struct ast_variable *v;
98 v = ast_variable_browse(config, category);
100 if (!strcasecmp(value, v->name))
107 struct ast_config *ast_load(char *configfile)
111 struct ast_config *tmp=NULL;
112 struct ast_category *tmpc=NULL;
113 struct ast_variable *v, *last=NULL;
117 if (configfile[0] == '/') {
118 strncpy(fn, configfile, sizeof(fn));
120 snprintf(fn, sizeof(fn), "%s/%s", AST_CONFIG_DIR, configfile);
122 if ((option_verbose > 1) && !option_debug) {
123 ast_verbose( VERBOSE_PREFIX_2 "Parsing '%s': ", fn);
126 if ((f = fopen(fn, "r"))) {
128 ast_log(LOG_DEBUG, "Parsing %s\n", fn);
129 else if (option_verbose > 1)
130 ast_verbose( "Found\n");
131 tmp = malloc(sizeof(struct ast_config));
133 ast_log(LOG_WARNING, "Out of memory\n");
139 fgets(buf, sizeof(buf), f);
142 /* Strip off lines using ; as comment */
143 c = strchr(buf, ';');
148 /* Actually parse the entry */
150 /* A category header */
151 /* XXX Don't let them use the same category twice XXX */
152 c = strchr(cur, ']');
155 tmpc = malloc(sizeof(struct ast_category));
159 "Out of memory, line %d\n", lineno);
163 strncpy(tmpc->name, cur+1, sizeof(tmpc->name));
165 tmpc->next = tmp->root;
170 "parse error: no closing ']', line %d\n", lineno);
176 /* Just a line (variable = value) */
179 "parse error: No category context for line %d\n", lineno);
184 c = strchr(cur, '=');
188 v = malloc(sizeof(struct ast_variable));
191 v->name = strdup(strip(cur));
192 v->value = strdup(strip(c));
199 ast_log(LOG_WARNING, "Out of memory, line %d\n", lineno);
204 ast_log(LOG_WARNING, "No = in line %d\n", lineno);
216 ast_log(LOG_DEBUG, "No file to parse: %s\n", fn);
217 else if (option_verbose > 1)
218 ast_verbose( "Not found (%s)", strerror(errno));
223 char *ast_category_browse(struct ast_config *config, char *prev)
225 struct ast_category *cat;
228 return config->root->name;
234 if (!strcasecmp(cat->name, prev)) {
236 return cat->next->name;