freebsd-dev/usr.bin/mail/getname.c
Pedro F. Giffuni b22a869924 mail(1): Bring some fixes from other BSDs.
- Use varargs properly
- Use pid_t
- Better handling of error conditions on forked jobs.
- Some prototype and warning cleanups.

Obtained from:	NetBSD (some originaly from OpenBSD)
2016-07-13 16:45:26 +00:00

70 lines
2.2 KiB
C

/*
* Copyright (c) 1980, 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.
* 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.
*/
#ifndef lint
#if 0
static char sccsid[] = "@(#)getname.c 8.1 (Berkeley) 6/6/93";
#endif
#endif /* not lint */
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "rcv.h"
#include <pwd.h>
#include "extern.h"
/* Getname / getuserid for those with hashed passwd data base). */
/*
* Search the passwd file for a uid. Return name on success, NULL on failure.
*/
char *
getname(uid_t uid)
{
struct passwd *pw;
if ((pw = getpwuid(uid)) == NULL)
return (NULL);
return (pw->pw_name);
}
/*
* Convert the passed name to a user id and return it. Return -1
* on error.
*/
uid_t
getuserid(char name[])
{
struct passwd *pw;
if ((pw = getpwnam(name)) == NULL)
return (-1);
return (pw->pw_uid);
}