xref: /dragonfly/usr.bin/window/wwterminfo.c (revision 6b5c5d0d)
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 */
113