Merge pull request #5793 from ton31337/fix/formatting_show_bgp_summary_failed

[mirror_frr.git] / lib / hook.c

diff --git a/lib/hook.c b/lib/hook.c
index 2c877cbf451e64402644088c26ee58268e4b213c..870d158aac4484d540251c4681c5aa5c20bebb59 100644 (file)
--- a/lib/hook.c
+++ b/lib/hook.c
@@ -1,42 +1,47 @@
 /*
  * Copyright (c) 2016  David Lamparter, for NetDEF, Inc.
  *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
  *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #include "memory.h"
 #include "hook.h"
 
 DEFINE_MTYPE_STATIC(LIB, HOOK_ENTRY, "Hook entry")
 
 void _hook_register(struct hook *hook, void *funcptr, void *arg, bool has_arg,
-                   struct frrmod_runtime *module, const char *funcname)
+                   struct frrmod_runtime *module, const char *funcname,
+                   int priority)
 {
-       struct hookent *he = XCALLOC(MTYPE_HOOK_ENTRY, sizeof(*he));
+       struct hookent *he = XCALLOC(MTYPE_HOOK_ENTRY, sizeof(*he)), **pos;
        he->hookfn = funcptr;
        he->hookarg = arg;
        he->has_arg = has_arg;
        he->module = module;
        he->fnname = funcname;
+       he->priority = priority;
+
+       for (pos = &hook->entries; *pos; pos = &(*pos)->next)
+               if (hook->reverse ? (*pos)->priority < priority
+                                 : (*pos)->priority >= priority)
+                       break;
 
-       he->next = hook->entries;
-       hook->entries = he;
+       he->next = *pos;
+       *pos = he;
 }
 
 void _hook_unregister(struct hook *hook, void *funcptr, void *arg, bool has_arg)