xref: /dragonfly/usr.bin/window/wwterminfo.c (revision 8d1e479a)
1 /*	@(#)wwterminfo.c	8.1 (Berkeley) 6/6/93	*/
2 /*	$NetBSD: wwterminfo.c,v 1.5 2003/08/07 11:17:45 agc Exp $	*/
3 
4 /*
5  * Copyright (c) 1982, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * This code is derived from software contributed to Berkeley by
9  * Edward Wang at The University of California, Berkeley.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  * 3. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #ifdef TERMINFO
37 
38 #include <sys/types.h>
39 #include <sys/stat.h>
40 #include <sys/wait.h>
41 
42 #include <stdio.h>
43 #include <stdlib.h>
44 #include <paths.h>
45 #include <unistd.h>
46 #include "local.h"
47 #include "ww.h"
48 
49 /*
50  * Terminfo support
51  *
52  * Written by Brian Buhrow
53  *
54  * Subsequently modified by Edward Wang
55  */
56 
57 /*
58  * Initialize the working terminfo directory
59  */
60 int
61 wwterminfoinit()
62 {
63 	FILE *fp;
64 	char buf[2048];
65 
66 		/* make the directory */
67 	(void) sprintf(wwterminfopath, "%swwinXXXXXX", _PATH_TMP);
68 	if (mkdtemp(wwterminfopath) == NULL ||
69 	    chmod(wwterminfopath, 0755) < 0) {
70 		wwerrno = WWE_SYS;
71 		return -1;
72 	}
73 	(void) setenv("TERMINFO", wwterminfopath, 1);
74 		/* make a termcap entry and turn it into terminfo */
75 	(void) sprintf(buf, "%s/cap", wwterminfopath);
76 	if ((fp = fopen(buf, "w")) == NULL) {
77 		wwerrno = WWE_SYS;
78 		return -1;
79 	}
80 	(void) fprintf(fp, "%sco#%d:li#%d:%s\n",
81 		WWT_TERMCAP, wwncol, wwnrow, wwwintermcap);
82 	(void) fclose(fp);
83 	(void) sprintf(buf,
84 		"cd %s; %s cap >info 2>/dev/null; %s info >/dev/null 2>&1",
85 		wwterminfopath, _PATH_CAPTOINFO, _PATH_TIC);
86 	(void) system(buf);
87 	return 0;
88 }
89 
90 /*
91  * Delete the working terminfo directory at shutdown
92  */
93 int
94 wwterminfoend()
95 {
96 	int pstat;
97 	pid_t pid;
98 
99 	pid = vfork();
100 	switch (pid) {
101 	case -1:
102 		/* can't really do (or say) anything about errors */
103 		return -1;
104 	case 0:
105 		execl(_PATH_RM, _PATH_RM, "-rf", wwterminfopath, 0);
106 		_exit(1);
107 	}
108 	pid = waitpid(pid, &pstat, 0);
109 	if (pid == -1 || !WIFEXITED(pstat) || WEXITSTATUS(pstat) != 0)
110 		return -1;
111 	return 0;
112 }
113 
114 #endif /* TERMINFO */
115