2.11BSD/src/ucb/Mail/getname.c

/*
 * Copyright (c) 1980 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(lint) && defined(DOSCCS)
static char sccsid[] = "@(#)getname.c	5.8 (Berkeley) 6/1/90";
#endif

#include <sys/types.h>
#include <pwd.h>

/*
 * Getname / getuserid for those with
 * hashed passwd data base).
 *
 */

#include "rcv.h"

/*
 * Search the passwd file for a uid.  Return name through ref parameter
 * if found, indicating success with 0 return.  Return -1 on error.
 */
char *
getname(uid)
{
	struct passwd *pw;

	if ((pw = getpwuid(uid)) == NULL)
		return NOSTR;
	return pw->pw_name;
}

/*
 * Convert the passed name to a user id and return it.  Return -1
 * on error.
 */
getuserid(name)
	char name[];
{
	struct passwd *pw;

	if ((pw = getpwnam(name)) == NULL)
		return -1;
	return pw->pw_uid;
}