92b6f7be5a
- make getproto{byname,bynumber,ent} thread-safe.
76 lines
2.7 KiB
C
76 lines
2.7 KiB
C
/*
|
|
* 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 sccsid[] = "@(#)getprotoname.c 8.1 (Berkeley) 6/4/93";
|
|
#endif /* LIBC_SCCS and not lint */
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <netdb.h>
|
|
#include <string.h>
|
|
#include "netdb_private.h"
|
|
|
|
int
|
|
getprotobyname_r(const char *name, struct protoent *pe,
|
|
struct protoent_data *ped)
|
|
{
|
|
char **cp;
|
|
int error;
|
|
|
|
setprotoent_r(ped->stayopen, ped);
|
|
while ((error = getprotoent_r(pe, ped)) == 0) {
|
|
if (strcmp(pe->p_name, name) == 0)
|
|
break;
|
|
for (cp = pe->p_aliases; *cp != 0; cp++)
|
|
if (strcmp(*cp, name) == 0)
|
|
goto found;
|
|
}
|
|
found:
|
|
if (!ped->stayopen)
|
|
endprotoent_r(ped);
|
|
return (error);
|
|
}
|
|
|
|
struct protoent *
|
|
getprotobyname(const char *name)
|
|
{
|
|
struct protodata *pd;
|
|
|
|
if ((pd = __protodata_init()) == NULL)
|
|
return (NULL);
|
|
if (getprotobyname_r(name, &pd->proto, &pd->data) != 0)
|
|
return (NULL);
|
|
return (&pd->proto);
|
|
}
|