Asterisk - The Open Source Telephony Project
GIT-master-3dae2cf
utils
db1-ast
hash
hsearch.c
Go to the documentation of this file.
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/*-
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Margo Seltzer.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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static
char
sccsid[] =
"@(#)hsearch.c 8.4 (Berkeley) 7/21/94"
;
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#endif
/* LIBC_SCCS and not lint */
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#include <sys/types.h>
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#include <fcntl.h>
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#include <string.h>
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#include "../include/db.h"
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#include "
search.h
"
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static
DB
*
dbp
=
NULL
;
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static
ENTRY
retval
;
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extern
int
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hcreate
(nel)
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u_int nel;
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{
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HASHINFO
info
;
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info
.nelem = nel;
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info
.bsize = 256;
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info
.ffactor = 8;
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info
.cachesize = 0;
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info
.hash =
NULL
;
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info
.lorder = 0;
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dbp
= (
DB
*)
__hash_open
(
NULL
, O_CREAT | O_RDWR, 0600, &
info
, 0);
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return
((
int
)
dbp
);
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}
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extern
ENTRY
*
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hsearch
(
item
, action)
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ENTRY
item
;
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ACTION
action;
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{
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DBT
key,
val
;
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int
status
;
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if
(!
dbp
)
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return
(
NULL
);
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key.
data
= (u_char *)
item
.key;
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key.
size
= strlen(
item
.key) + 1;
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if
(action ==
ENTER
) {
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val
.data = (u_char *)
item
.data;
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val
.size = strlen(
item
.data) + 1;
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status
= (
dbp
->put)(
dbp
, &key, &
val
,
R_NOOVERWRITE
);
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if
(
status
)
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return
(
NULL
);
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}
else
{
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/* FIND */
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status
= (
dbp
->get)(
dbp
, &key, &
val
, 0);
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if
(
status
)
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return
(
NULL
);
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else
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item
.data = (
char
*)
val
.data;
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}
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retval
.
key
=
item
.key;
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retval
.
data
=
item
.data;
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return
(&
retval
);
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}
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extern
void
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hdestroy
()
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{
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if
(
dbp
) {
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(void)(
dbp
->close)(
dbp
);
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dbp
=
NULL
;
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}
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}
status
jack_status_t status
Definition:
app_jack.c:146
ENTER
@ ENTER
Definition:
app_meetme.c:684
R_NOOVERWRITE
#define R_NOOVERWRITE
Definition:
db.h:98
__hash_open
DB * __hash_open(char *file, int flags, int mode, const HASHINFO *info, int dflags) const
Definition:
hash.c:96
ACTION
ACTION
Definition:
hash.h:40
dbp
static DB * dbp
Definition:
hsearch.c:49
hcreate
int hcreate(u_int nel)
Definition:
hsearch.c:53
hsearch
ENTRY * hsearch(ENTRY item, ACTION action)
Definition:
hsearch.c:69
hdestroy
void hdestroy()
Definition:
hsearch.c:101
retval
static ENTRY retval
Definition:
hsearch.c:50
sip_to_pjsip.info
def info(msg)
Definition:
sip_to_pjsip.py:1313
NULL
#define NULL
Definition:
resample.c:96
search.h
DBT
Definition:
db.h:85
DBT::data
void * data
Definition:
db.h:86
DBT::size
size_t size
Definition:
db.h:87
HASHINFO
Definition:
db.h:163
__db
Definition:
db.h:129
entry
Definition:
search.h:40
entry::key
char * key
Definition:
search.h:41
entry::data
char * data
Definition:
search.h:42
val
Definition:
ast_expr2.c:325
item
static struct aco_type item
Definition:
test_config.c:1463
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