usr.bin/window/wwterminfo.c

   1 /*
   2  * Copyright (c) 1982, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * This code is derived from software contributed to Berkeley by
   6  * Edward Wang at The University of California, Berkeley.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. All advertising materials mentioning features or use of this software
  17  *    must display the following acknowledgement:
  18  *      This product includes software developed by the University of
  19  *      California, Berkeley and its contributors.
  20  * 4. Neither the name of the University nor the names of its contributors
  21  *    may be used to endorse or promote products derived from this software
  22  *    without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  34  * SUCH DAMAGE.
  35  *
  36  * @(#)wwterminfo.c     8.1 (Berkeley) 6/6/93
  37  * $FreeBSD: src/usr.bin/window/wwterminfo.c,v 1.3.6.2 2001/05/17 19:40:13 eric Exp $
  38  * $DragonFly: src/usr.bin/window/wwterminfo.c,v 1.3 2006/01/12 13:43:11 corecode Exp $
  39  */
  40
  41 #ifdef TERMINFO
  42
  43 #include "ww.h"
  44 #include <stdio.h>
  45 #include <paths.h>
  46 #include "local.h"
  47
  48 /*
  49  * Terminfo support
  50  *
  51  * Written by Brian Buhrow
  52  *
  53  * Subsequently modified by Edward Wang
  54  */
  55
  56 /*
  57  * Initialize the working terminfo directory
  58  */
  59 wwterminfoinit()
  60 {
  61         FILE *fp;
  62         char buf[2048];
  63
  64                 /* make the directory */
  65         (void) sprintf(wwterminfopath, "%swwinXXXXXX", _PATH_TMP);
  66         if (mkdtemp(wwterminfopath) < 0 ||
  67             chmod(wwterminfopath, 00755) < 0) {
  68                 wwerrno = WWE_SYS;
  69                 return -1;
  70         }
  71         if (setenv("TERMINFO", wwterminfopath, 1) == -1)
  72                 err(1, "setenv: cannot set TERMINFO=%s", wwterminfopath);
  73                 /* make a termcap entry and turn it into terminfo */
  74         (void) sprintf(buf, "%s/cap", wwterminfopath);
  75         if ((fp = fopen(buf, "w")) == NULL) {
  76                 wwerrno = WWE_SYS;
  77                 return -1;
  78         }
  79         (void) fprintf(fp, "%sco#%d:li#%d:%s\n",
  80                 WWT_TERMCAP, wwncol, wwnrow, wwwintermcap);
  81         (void) fclose(fp);
  82         (void) sprintf(buf,
  83                 "cd %s; %s cap >info 2>/dev/null; %s info >/dev/null 2>&1",
  84                 wwterminfopath, _PATH_CAPTOINFO, _PATH_TIC);
  85         (void) system(buf);
  86         return 0;
  87 }
  88
  89 /*
  90  * Delete the working terminfo directory at shutdown
  91  */
  92 wwterminfoend()
  93 {
  94         char *args[4];
  95         args[0] = _PATH_RM;
  96         args[1] = "-rf";
  97         args[2] = wwterminfopath;
  98         args[3] = NULL;
  99         switch (vfork()) {
 100         case -1:
 101                 /* can't really do (or say) anything about errors */
 102                 return -1;
 103         case 0:
 104                 execv(args[0], args);
 105                 _exit(0);
 106         default:
 107                 wait(NULL);
 108                 return 0;
 109         }
 110 }
 111
 112 #endif /* TERMINFO */