mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-25 11:37:56 +00:00
128 lines
3.3 KiB
C
128 lines
3.3 KiB
C
/*-
|
|
* Copyright (c) 2005 Michael Bushkov <bushman@rsu.ru>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <assert.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "agent.h"
|
|
#include "debug.h"
|
|
|
|
static int
|
|
agent_cmp_func(const void *a1, const void *a2)
|
|
{
|
|
struct agent const *ap1 = *((struct agent const **)a1);
|
|
struct agent const *ap2 = *((struct agent const **)a2);
|
|
int res;
|
|
|
|
res = strcmp(ap1->name, ap2->name);
|
|
if (res == 0) {
|
|
if (ap1->type == ap2->type)
|
|
res = 0;
|
|
else if (ap1->type < ap2->type)
|
|
res = -1;
|
|
else
|
|
res = 1;
|
|
}
|
|
|
|
return (res);
|
|
}
|
|
|
|
struct agent_table *
|
|
init_agent_table(void)
|
|
{
|
|
struct agent_table *retval;
|
|
|
|
TRACE_IN(init_agent_table);
|
|
retval = calloc(1, sizeof(*retval));
|
|
assert(retval != NULL);
|
|
|
|
TRACE_OUT(init_agent_table);
|
|
return (retval);
|
|
}
|
|
|
|
void
|
|
register_agent(struct agent_table *at, struct agent *a)
|
|
{
|
|
struct agent **new_agents;
|
|
size_t new_agents_num;
|
|
|
|
TRACE_IN(register_agent);
|
|
assert(at != NULL);
|
|
assert(a != NULL);
|
|
new_agents_num = at->agents_num + 1;
|
|
new_agents = malloc(sizeof(*new_agents) *
|
|
new_agents_num);
|
|
assert(new_agents != NULL);
|
|
memcpy(new_agents, at->agents, at->agents_num * sizeof(struct agent *));
|
|
new_agents[new_agents_num - 1] = a;
|
|
qsort(new_agents, new_agents_num, sizeof(struct agent *),
|
|
agent_cmp_func);
|
|
|
|
free(at->agents);
|
|
at->agents = new_agents;
|
|
at->agents_num = new_agents_num;
|
|
TRACE_OUT(register_agent);
|
|
}
|
|
|
|
struct agent *
|
|
find_agent(struct agent_table *at, const char *name, enum agent_type type)
|
|
{
|
|
struct agent **res;
|
|
struct agent model, *model_p;
|
|
|
|
TRACE_IN(find_agent);
|
|
model.name = (char *)name;
|
|
model.type = type;
|
|
model_p = &model;
|
|
res = bsearch(&model_p, at->agents, at->agents_num,
|
|
sizeof(struct agent *), agent_cmp_func);
|
|
|
|
TRACE_OUT(find_agent);
|
|
return ( res == NULL ? NULL : *res);
|
|
}
|
|
|
|
void
|
|
destroy_agent_table(struct agent_table *at)
|
|
{
|
|
size_t i;
|
|
|
|
TRACE_IN(destroy_agent_table);
|
|
assert(at != NULL);
|
|
for (i = 0; i < at->agents_num; ++i) {
|
|
free(at->agents[i]->name);
|
|
free(at->agents[i]);
|
|
}
|
|
|
|
free(at->agents);
|
|
free(at);
|
|
TRACE_OUT(destroy_agent_table);
|
|
}
|