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/*
* 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:
*
* 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.
*/
#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,
int priority)
{
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 = *pos;
*pos = he;
}
void _hook_unregister(struct hook *hook, void *funcptr, void *arg, bool has_arg)
{
struct hookent *he, **prev;
for (prev = &hook->entries; (he = *prev) != NULL; prev = &he->next)
if (he->hookfn == funcptr && he->hookarg == arg
&& he->has_arg == has_arg) {
*prev = he->next;
XFREE(MTYPE_HOOK_ENTRY, he);
break;
}
}
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