lib/libtelnet/getent.c

   1 /*-
   2  * Copyright (c) 1991, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the University nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  * @(#)getent.c 8.2 (Berkeley) 12/15/93
  30  * $FreeBSD: src/crypto/telnet/libtelnet/getent.c,v 1.2.6.2 2002/04/13 10:59:07 markm Exp $
  31  * $DragonFly: src/crypto/telnet/libtelnet/getent.c,v 1.2 2003/06/17 04:24:37 dillon Exp $
  32  */
  33
  34 #include <stdlib.h>
  35 #include <string.h>
  36
  37 #include "misc-proto.h"
  38
  39 static char *area;
  40 static char gettytab[] = "/etc/gettytab";
  41
  42 /*ARGSUSED*/
  43 int
  44 getent(char *cp __unused, const char *name)
  45 {
  46         int retval;
  47         char *tempnam, *dba[2] = { gettytab, NULL };
  48
  49         tempnam = strdup(name);
  50         retval =  cgetent(&area, dba, tempnam) == 0 ? 1 : 0;
  51         free(tempnam);
  52         return(retval);
  53 }
  54
  55 /*ARGSUSED*/
  56 char *
  57 Getstr(const char *id, char **cpp __unused)
  58 {
  59         int retval;
  60         char *answer, *tempid;
  61
  62         tempid = strdup(id);
  63         retval = cgetstr(area, tempid, &answer);
  64         free(tempid);
  65         return((retval > 0) ? answer : NULL);
  66 }