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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 <pthread.h>
#include <unistd.h>
#include <limits.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include "warn.h"
static pthread_mutex_t linkage_mutex = PTHREAD_MUTEX_INITIALIZER;
static int linkage_warning = 0;
static void get_exe_name(char *t, size_t l) {
int k;
char fn[1024];
/* Yes, I know, this is not portable. But who cares? It's
* for cosmetics only, anyway. */
snprintf(fn, sizeof(fn), "/proc/%lu/exe", (unsigned long) getpid());
if ((k = readlink(fn, t, l-1)) < 0)
snprintf(t, l, "(unknown)");
else {
char *slash;
assert((size_t) k <= l-1);
t[k] = 0;
if ((slash = strrchr(t, '/')))
memmove(t, slash+1, strlen(slash)+1);
}
}
void avahi_warn_linkage(void) {
int w;
pthread_mutex_lock(&linkage_mutex);
w = linkage_warning;
linkage_warning = 1;
pthread_mutex_unlock(&linkage_mutex);
if (!w && !getenv("AVAHI_BONJOUR_NOWARN")) {
char exename[256];
get_exe_name(exename, sizeof(exename));
fprintf(stderr, "*** WARNING: The application '%s' uses the Bonjour compatiblity layer of Avahi. Please fix it to use the native API! ***\n", exename);
}
}
void avahi_warn_unsupported(const char *function) {
char exename[256];
get_exe_name(exename, sizeof(exename));
fprintf(stderr, "*** WARNING: The application '%s' called '%s()' which is not supported (or only supported partially) in the Bonjour compatiblity layer of Avahi. Please fix it to use the native API! ***\n", exename, function);
}
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