mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-22 11:17:19 +00:00
55241422d6
remove (comment out) functions defined or depricated elsewhere: bsearch, lfind, lsearch, insque, remque change hcreate to take a size_t rather than uint (essentially the same) since hcreate/hdestroy are now in <search.h>, remove private search.h in lib/libc/db/hash/ add $FreeBSD tags to hsearch.c
110 lines
3.1 KiB
C
110 lines
3.1 KiB
C
/*-
|
|
* Copyright (c) 1990, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Margo Seltzer.
|
|
*
|
|
* 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.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
|
static char sccsid[] = "@(#)hsearch.c 8.4 (Berkeley) 7/21/94";
|
|
#endif /* LIBC_SCCS and not lint */
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <fcntl.h>
|
|
#include <string.h>
|
|
|
|
#include <db.h>
|
|
#include <search.h>
|
|
|
|
static DB *dbp = NULL;
|
|
static ENTRY retval;
|
|
|
|
extern int
|
|
hcreate(nel)
|
|
size_t nel;
|
|
{
|
|
HASHINFO info;
|
|
|
|
info.nelem = nel;
|
|
info.bsize = 256;
|
|
info.ffactor = 8;
|
|
info.cachesize = 0;
|
|
info.hash = NULL;
|
|
info.lorder = 0;
|
|
dbp = (DB *)__hash_open(NULL, O_CREAT | O_RDWR, 0600, &info, 0);
|
|
return (dbp != NULL);
|
|
}
|
|
|
|
extern ENTRY *
|
|
hsearch(item, action)
|
|
ENTRY item;
|
|
ACTION action;
|
|
{
|
|
DBT key, val;
|
|
int status;
|
|
|
|
if (!dbp)
|
|
return (NULL);
|
|
key.data = (u_char *)item.key;
|
|
key.size = strlen(item.key) + 1;
|
|
|
|
if (action == ENTER) {
|
|
val.data = (u_char *)item.data;
|
|
val.size = strlen(item.data) + 1;
|
|
status = (dbp->put)(dbp, &key, &val, R_NOOVERWRITE);
|
|
if (status)
|
|
return (NULL);
|
|
} else {
|
|
/* FIND */
|
|
status = (dbp->get)(dbp, &key, &val, 0);
|
|
if (status)
|
|
return (NULL);
|
|
else
|
|
item.data = (char *)val.data;
|
|
}
|
|
retval.key = item.key;
|
|
retval.data = item.data;
|
|
return (&retval);
|
|
}
|
|
|
|
extern void
|
|
hdestroy()
|
|
{
|
|
if (dbp) {
|
|
(void)(dbp->close)(dbp);
|
|
dbp = NULL;
|
|
}
|
|
}
|