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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.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <assert.h>
#include "alternative.h"
#include "malloc.h"
char * avahi_alternative_host_name(const char *s) {
const char *e;
char *r;
assert(s);
e = strrchr(s, '-');
if (e) {
const char *p;
for (p = e+1; *p; p++)
if (!isdigit(*p)) {
e = NULL;
break;
}
if (e && (*(e+1) == '0' || (*(e+1) == 0)))
e = NULL;
}
if (e) {
char *c;
e++;
if (!(c = avahi_strndup(s, e-s)))
return NULL;
r = avahi_strdup_printf("%s%i", c, atoi(e)+1);
avahi_free(c);
} else
r = avahi_strdup_printf("%s-2", s);
return r;
}
char *avahi_alternative_service_name(const char *s) {
const char *e;
char *r;
assert(s);
if ((e = strstr(s, " #"))) {
const char *n, *p;
e += 2;
while ((n = strstr(e, " #")))
e = n + 2;
for (p = e; *p; p++)
if (!isdigit(*p)) {
e = NULL;
break;
}
if (e && (*e == '0' || *e == 0))
e = NULL;
}
if (e) {
char *c;
if (!(c = avahi_strndup(s, e-s)))
return NULL;
r = avahi_strdup_printf("%s%i", c, atoi(e)+1);
avahi_free(c);
} else
r = avahi_strdup_printf("%s #2", s);
return r;
}
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