usr/src/cmd/bnu/versys.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 1998 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  28 /*        All Rights Reserved   */
  29
  30
  31 #pragma ident   "%Z%%M% %I%     %E% SMI"
  32
  33 #include "uucp.h"
  34
  35 extern int getsysline();
  36 extern void sysreset();
  37
  38 /*
  39  * verify system name
  40  * input:
  41  *      name    -> system name (char name[NAMESIZE])
  42  * returns:
  43  *      0       -> success
  44  *      FAIL    -> failure
  45  */
  46 int
  47 versys(name)
  48 char *name;
  49 {
  50         register char *iptr;
  51         char line[BUFSIZ];
  52         extern char *aliasFind();
  53         char    *prev;
  54
  55         if (name == 0 || *name == 0)
  56                 return(FAIL);
  57
  58         prev = _uu_setlocale(LC_ALL, "C");
  59         if ((iptr = aliasFind(name)) != NULL) {
  60                 /* overwrite the original name with the real name */
  61                 strncpy(name, iptr, MAXBASENAME);
  62                 name[MAXBASENAME] = '\0';
  63         }
  64
  65         if (EQUALS(name, Myname)) {
  66                 (void) _uu_resetlocale(LC_ALL, prev);
  67                 return(0);
  68         }
  69
  70         while (getsysline(line, sizeof(line))) {
  71                 if((line[0] == '#') || (line[0] == ' ') || (line[0] == '\t') ||
  72                         (line[0] == '\n'))
  73                         continue;
  74
  75                 if ((iptr=strpbrk(line, " \t")) == NULL)
  76                     continue;   /* why? */
  77                 *iptr = '\0';
  78                 if (EQUALS(name, line)) {
  79                         sysreset();
  80                         (void) _uu_resetlocale(LC_ALL, prev);
  81                         return(0);
  82                 }
  83         }
  84         sysreset();
  85         (void) _uu_resetlocale(LC_ALL, prev);
  86         return(FAIL);
  87 }