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/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. 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.
* 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.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char rcsid[] = "$OpenBSD: getservbyname.c,v 1.4 1998/11/20 11:18:44 d Exp $";
#endif /* LIBC_SCCS and not lint */
#include <netdb.h>
#include <string.h>
#include "thread_private.h"
extern int _serv_stayopen;
_THREAD_PRIVATE_MUTEX(getservbyname_r)
struct servent *
getservbyname_r(name, proto, se, buf, buflen)
const char *name, *proto;
struct servent *se;
char *buf;
int buflen;
{
register struct servent *p;
register char **cp;
_THREAD_PRIVATE_MUTEX_LOCK(getservbyname_r);
setservent(_serv_stayopen);
while ((p = getservent())) {
if (strcmp(name, p->s_name) == 0)
goto gotname;
for (cp = p->s_aliases; *cp; cp++)
if (strcmp(name, *cp) == 0)
goto gotname;
continue;
gotname:
if (proto == 0 || strcmp(p->s_proto, proto) == 0)
break;
}
if (!_serv_stayopen)
endservent();
_THREAD_PRIVATE_MUTEX_UNLOCK(getservbyname_r);
return (p);
}
struct servent *getservbyname(name, proto)
const char *name, *proto;
{
_THREAD_PRIVATE_KEY(getservbyname)
static char buf[4096];
char *bufp = (char*)_THREAD_PRIVATE(getservbyname, buf, NULL);
if (bufp == NULL)
return (NULL);
return getservbyname_r(name, proto, (struct servent*) bufp,
bufp + sizeof(struct servent),
sizeof buf - sizeof(struct servent) );
}
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