freebsd-nq/usr.bin/window/wwterminfo.c
Dag-Erling Smørgrav 202bab3944 One vfork() changed to fork(); one execl() changed to execv(). The
latter isn't actually called as far as I can see since FreeBSD uses
termcap and not terminfo.
1998-10-13 15:14:37 +00:00

113 lines
3.4 KiB
C

/*
* Copyright (c) 1982, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Edward Wang at The University of California, Berkeley.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
static char sccsid[] = "@(#)wwterminfo.c 8.1 (Berkeley) 6/6/93";
#endif /* not lint */
#ifdef TERMINFO
#include "ww.h"
#include <stdio.h>
#include <paths.h>
#include "local.h"
/*
* Terminfo support
*
* Written by Brian Buhrow
*
* Subsequently modified by Edward Wang
*/
/*
* Initialize the working terminfo directory
*/
wwterminfoinit()
{
FILE *fp;
char buf[2048];
/* make the directory */
(void) sprintf(wwterminfopath, "%swwinXXXXXX", _PATH_TMP);
mktemp(wwterminfopath);
if (mkdir(wwterminfopath, 0755) < 0 ||
chmod(wwterminfopath, 00755) < 0) {
wwerrno = WWE_SYS;
return -1;
}
(void) setenv("TERMINFO", wwterminfopath, 1);
/* make a termcap entry and turn it into terminfo */
(void) sprintf(buf, "%s/cap", wwterminfopath);
if ((fp = fopen(buf, "w")) == NULL) {
wwerrno = WWE_SYS;
return -1;
}
(void) fprintf(fp, "%sco#%d:li#%d:%s\n",
WWT_TERMCAP, wwncol, wwnrow, wwwintermcap);
(void) fclose(fp);
(void) sprintf(buf,
"cd %s; %s cap >info 2>/dev/null; %s info >/dev/null 2>&1",
wwterminfopath, _PATH_CAPTOINFO, _PATH_TIC);
(void) system(buf);
return 0;
}
/*
* Delete the working terminfo directory at shutdown
*/
wwterminfoend()
{
char *args[4];
args[0] = _PATH_RM;
args[1] = "-rf";
args[2] = wwterminfopath;
args[3] = NULL;
switch (vfork()) {
case -1:
/* can't really do (or say) anything about errors */
return -1;
case 0:
execv(args[0], args);
_exit(0);
default:
wait(NULL);
return 0;
}
}
#endif /* TERMINFO */