final rename

git-svn-id: file:///home/lennart/svn/public/avahi/trunk@698 941a03a8-eaeb-0310-b9a0-b1bbd8fe43fe

1 files changed, 85 insertions, 0 deletions

diff --git a/avahi-compat-libdns_sd/warn.c b/avahi-compat-libdns_sd/warn.c
new file mode 100644
index 0000000..859cfb0
--- /dev/null
+++ b/avahi-compat-libdns_sd/warn.c
@@ -0,0 +1,85 @@
+/* $Id$ */
+
+/***
+  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 in the Bonjour compatiblity layer of Avahi. Please fix it to use the native API! ***\n", exename, function);
+}
+
+
+