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-rw-r--r--avahi-daemon/ini-file-parser.c186
1 files changed, 186 insertions, 0 deletions
diff --git a/avahi-daemon/ini-file-parser.c b/avahi-daemon/ini-file-parser.c
new file mode 100644
index 0000000..03a3f8b
--- /dev/null
+++ b/avahi-daemon/ini-file-parser.c
@@ -0,0 +1,186 @@
+/* $Id$ */
+
+/***
+ This file is part of avahi.
+
+ avahi is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ avahi is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
+ Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with avahi; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ USA.
+***/
+
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+#include <avahi-common/malloc.h>
+#include <avahi-core/log.h>
+
+#include "ini-file-parser.h"
+
+AvahiIniFile* avahi_ini_file_load(const char *fname) {
+ AvahiIniFile *f;
+ FILE *fo;
+ AvahiIniFileGroup *group = NULL;
+ unsigned line;
+
+ assert(fname);
+
+ if (!(fo = fopen(fname, "r"))) {
+ avahi_log_error("Failed to open file '%s': %s", fname, strerror(errno));
+ return NULL;
+ }
+
+ f = avahi_new(AvahiIniFile, 1);
+ AVAHI_LLIST_HEAD_INIT(AvahiIniFileGroup, f->groups);
+ f->n_groups = 0;
+
+ line = 0;
+ while (!feof(fo)) {
+ char ln[256], *s, *e;
+ AvahiIniFilePair *pair;
+
+ if (!(fgets(ln, sizeof(ln), fo)))
+ break;
+
+ line++;
+
+ s = ln + strspn(ln, " \t");
+ s[strcspn(s, "\r\n")] = 0;
+
+ /* Skip comments and empty lines */
+ if (*s == '#' || *s == '%' || *s == 0)
+ continue;
+
+ if (*s == '[') {
+ /* new group */
+
+ if (!(e = strchr(s, ']'))) {
+ avahi_log_error("Unclosed group header in %s:%u: <%s>", fname, line, s);
+ goto fail;
+ }
+
+ *e = 0;
+
+ group = avahi_new(AvahiIniFileGroup, 1);
+ group->name = avahi_strdup(s+1);
+ group->n_pairs = 0;
+ AVAHI_LLIST_HEAD_INIT(AvahiIniFilePair, group->pairs);
+
+ AVAHI_LLIST_PREPEND(AvahiIniFileGroup, groups, f->groups, group);
+ f->n_groups++;
+ } else {
+
+ /* Normal assignment */
+ if (!(e = strchr(s, '='))) {
+ avahi_log_error("Missing assignment in %s:%u: <%s>", fname, line, s);
+ goto fail;
+ }
+
+ if (!group) {
+ avahi_log_error("Assignment outside group in %s:%u <%s>", fname, line, s);
+ goto fail;
+ }
+
+ /* Split the key and the value */
+ *(e++) = 0;
+
+ pair = avahi_new(AvahiIniFilePair, 1);
+ pair->key = avahi_strdup(s);
+ pair->value = avahi_strdup(e);
+
+ AVAHI_LLIST_PREPEND(AvahiIniFilePair, pairs, group->pairs, pair);
+ group->n_pairs++;
+ }
+ }
+
+ fclose(fo);
+
+ return f;
+
+fail:
+
+ if (fo)
+ fclose(fo);
+
+ if (f)
+ avahi_ini_file_free(f);
+
+ return NULL;
+}
+
+void avahi_ini_file_free(AvahiIniFile *f) {
+ AvahiIniFileGroup *g;
+ assert(f);
+
+ while ((g = f->groups)) {
+ AvahiIniFilePair *p;
+
+ while ((p = g->pairs)) {
+ avahi_free(p->key);
+ avahi_free(p->value);
+
+ AVAHI_LLIST_REMOVE(AvahiIniFilePair, pairs, g->pairs, p);
+ avahi_free(p);
+ }
+
+ avahi_free(g->name);
+
+ AVAHI_LLIST_REMOVE(AvahiIniFileGroup, groups, f->groups, g);
+ avahi_free(g);
+ }
+
+ avahi_free(f);
+}
+
+char** avahi_split_csv(const char *t) {
+ unsigned n_comma = 0;
+ const char *p;
+ char **r, **i;
+
+ for (p = t; *p; p++)
+ if (*p == ',')
+ n_comma++;
+
+ i = r = avahi_new(char*, n_comma+2);
+
+ for (;;) {
+ size_t l = strcspn(t, ",");
+
+ *(i++) = avahi_strndup(t, l);
+
+ t += l;
+
+ if (*t == 0)
+ break;
+
+ assert(*t == ',');
+ t++;
+ }
+
+ *i = NULL;
+
+ return r;
+}
+
+void avahi_strfreev(char **p) {
+ char **i;
+
+ if (!p)
+ return;
+
+ for (i = p; *i; i++)
+ avahi_free(*i);
+
+ avahi_free(p);
+}