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/* $Id$ */
/***
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);
}
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