usr/src/lib/libcurses/screen/delterm.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 2005 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /*      Copyright (c) 1988 AT&T */
  28 /*        All Rights Reserved   */
  29
  30 /*
  31  * University Copyright- Copyright (c) 1982, 1986, 1988
  32  * The Regents of the University of California
  33  * All Rights Reserved
  34  *
  35  * University Acknowledgment- Portions of this document are derived from
  36  * software developed by the University of California, Berkeley, and its
  37  * contributors.
  38  */
  39
  40 #pragma ident   "%Z%%M% %I%     %E% SMI"
  41
  42 /*LINTLIBRARY*/
  43
  44 #include <stdlib.h>
  45 #include <unistd.h>
  46 #include <sys/types.h>
  47 #include "curses_inc.h"
  48
  49 /*
  50  * Relinquish the storage associated with "terminal".
  51  */
  52 extern  TERMINAL        _first_term;
  53 extern  char            _called_before;
  54 extern  char            _frst_tblstr[];
  55
  56 int
  57 delterm(TERMINAL *terminal)
  58 {
  59         if (!terminal)
  60                 return (ERR);
  61         (void) delkeymap(terminal);
  62         if (terminal->_check_fd >= 0)
  63                 (void) close(terminal->_check_fd);
  64
  65         if (terminal->_pairs_tbl)
  66                 free(terminal->_pairs_tbl);
  67         if (terminal->_color_tbl)
  68                 free(terminal->_color_tbl);
  69 #ifdef  _VR3_COMPAT_CODE
  70         if (terminal->_acs32map)
  71                 free(terminal->_acs32map);
  72 #else   /* _VR3_COMPAT_CODE */
  73         if (terminal->_acsmap)
  74                 free(terminal->_acsmap);
  75 #endif  /* _VR3_COMPAT_CODE */
  76
  77         if (terminal == &_first_term) {
  78                 /* next setupterm can re-use static areas */
  79                 _called_before = FALSE;
  80                 if (terminal->_strtab != _frst_tblstr)
  81                         free(terminal->_strtab);
  82         } else {
  83                 free(terminal->_bools);
  84                 free(terminal->_nums);
  85                 free(terminal->_strs);
  86                 free(terminal->_strtab);
  87                 free(terminal);
  88         }
  89
  90         return (OK);
  91 }