window/wwterminfo.c

   1 /*      $NetBSD: wwterminfo.c,v 1.3 1997/12/31 06:56:04 thorpej Exp $   */
   2
   3 /*
   4  * Copyright (c) 1982, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * This code is derived from software contributed to Berkeley by
   8  * Edward Wang at The University of California, Berkeley.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. All advertising materials mentioning features or use of this software
  19  *    must display the following acknowledgement:
  20  *      This product includes software developed by the University of
  21  *      California, Berkeley and its contributors.
  22  * 4. Neither the name of the University nor the names of its contributors
  23  *    may be used to endorse or promote products derived from this software
  24  *    without specific prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36  * SUCH DAMAGE.
  37  */
  38
  39 #include <sys/cdefs.h>
  40 #ifndef lint
  41 #if 0
  42 static char sccsid[] = "@(#)wwterminfo.c        8.1 (Berkeley) 6/6/93";
  43 #else
  44 __RCSID("$NetBSD: wwterminfo.c,v 1.3 1997/12/31 06:56:04 thorpej Exp $");
  45 #endif
  46 #endif /* not lint */
  47
  48 #ifdef TERMINFO
  49
  50 #include <sys/types.h>
  51 #include <sys/stat.h>
  52 #include <sys/wait.h>
  53
  54 #include <stdio.h>
  55 #include <stdlib.h>
  56 #include <paths.h>
  57 #include <unistd.h>
  58 #include "local.h"
  59 #include "ww.h"
  60
  61 /*
  62  * Terminfo support
  63  *
  64  * Written by Brian Buhrow
  65  *
  66  * Subsequently modified by Edward Wang
  67  */
  68
  69 /*
  70  * Initialize the working terminfo directory
  71  */
  72 int
  73 wwterminfoinit()
  74 {
  75         FILE *fp;
  76         char buf[2048];
  77
  78                 /* make the directory */
  79         (void) sprintf(wwterminfopath, "%swwinXXXXXX", _PATH_TMP);
  80         mktemp(wwterminfopath);
  81         if (mkdir(wwterminfopath, 0755) < 0 ||
  82             chmod(wwterminfopath, 00755) < 0) {
  83                 wwerrno = WWE_SYS;
  84                 return -1;
  85         }
  86         (void) setenv("TERMINFO", wwterminfopath, 1);
  87                 /* make a termcap entry and turn it into terminfo */
  88         (void) sprintf(buf, "%s/cap", wwterminfopath);
  89         if ((fp = fopen(buf, "w")) == NULL) {
  90                 wwerrno = WWE_SYS;
  91                 return -1;
  92         }
  93         (void) fprintf(fp, "%sco#%d:li#%d:%s\n",
  94                 WWT_TERMCAP, wwncol, wwnrow, wwwintermcap);
  95         (void) fclose(fp);
  96         (void) sprintf(buf,
  97                 "cd %s; %s cap >info 2>/dev/null; %s info >/dev/null 2>&1",
  98                 wwterminfopath, _PATH_CAPTOINFO, _PATH_TIC);
  99         (void) system(buf);
 100         return 0;
 101 }
 102
 103 /*
 104  * Delete the working terminfo directory at shutdown
 105  */
 106 int
 107 wwterminfoend()
 108 {
 109         int pstat;
 110         pid_t pid;
 111
 112         pid = vfork();
 113         switch (pid) {
 114         case -1:
 115                 /* can't really do (or say) anything about errors */
 116                 return -1;
 117         case 0:
 118                 execl(_PATH_RM, _PATH_RM, "-rf", wwterminfopath, 0);
 119                 _exit(1);
 120         }
 121         pid = waitpid(pid, &pstat, 0);
 122         if (pid == -1 || !WIFEXITED(pstat) || WEXITSTATUS(pstat) != 0)
 123                 return -1;
 124         return 0;
 125 }
 126
 127 #endif /* TERMINFO */