usr/src/cmd/lp/lib/class/putclass.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 1997 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"        /* SVr4.0 1.7   */
  32 /* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */
  33
  34 #include "stdio.h"
  35 #include "errno.h"
  36 #include "sys/types.h"
  37 #include "string.h"
  38
  39 #include "lp.h"
  40 #include "class.h"
  41
  42 /**
  43  ** putclass() - WRITE CLASS OUT TO DISK
  44  **/
  45
  46 int
  47 putclass(char *name, CLASS *clsbufp)
  48 {
  49         char                    *file;
  50         int fd;
  51
  52         if (!name || !*name) {
  53                 errno = EINVAL;
  54                 return (-1);
  55         }
  56
  57         if (STREQU(NAME_ALL, name)) {
  58                 errno = EINVAL;
  59                 return (-1);
  60         }
  61
  62         /*
  63          * Open the class file and write out the class members.
  64          */
  65
  66         if (!(file = getclassfile(name)))
  67                 return (-1);
  68
  69         if ((fd = open_locked(file, "w", MODE_READ)) < 0) {
  70                 Free (file);
  71                 return (-1);
  72         }
  73         Free (file);
  74
  75         errno = 0;
  76         fdprintlist(fd, clsbufp->members);
  77         if (errno != 0) {
  78                 close(fd);
  79                 return (-1);
  80         }
  81         close(fd);
  82
  83         return (0);
  84 }