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. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by the University of
  16  *      California, Berkeley and its contributors.
  17  * 4. Neither the name of the University nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  *
  33  * @(#)getent.c 8.2 (Berkeley) 12/15/93
  34  * $FreeBSD: src/lib/libtelnet/getent.c,v 1.3.6.1 2002/04/13 11:07:12 markm Exp $
  35  * $DragonFly: src/lib/libtelnet/getent.c,v 1.2 2003/06/17 04:26:51 dillon Exp $
  36  */
  37
  38 #include <stdlib.h>
  39 #include <string.h>
  40
  41 #include "misc-proto.h"
  42
  43 static char *area;
  44 static char gettytab[] = "/etc/gettytab";
  45
  46 /*ARGSUSED*/
  47 int
  48 getent(char *cp __unused, const char *name)
  49 {
  50         int retval;
  51         char *tempnam, *dba[2] = { gettytab, NULL };
  52
  53         tempnam = strdup(name);
  54         retval =  cgetent(&area, dba, tempnam) == 0 ? 1 : 0;
  55         free(tempnam);
  56         return(retval);
  57 }
  58
  59 /*ARGSUSED*/
  60 char *
  61 Getstr(const char *id, char **cpp __unused)
  62 {
  63         int retval;
  64         char *answer, *tempid;
  65
  66         tempid = strdup(id);
  67         retval = cgetstr(area, tempid, &answer);
  68         free(tempid);
  69         return((retval > 0) ? answer : NULL);
  70 }