xref: /illumos-gate/usr/src/lib/libcurses/screen/scr_ll_dump.c (revision 8119dad84d6416f13557b0ba8e2aaf9064cbcfd3)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 1997 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*	Copyright (c) 1988 AT&T	*/
28 /*	  All Rights Reserved	*/
29 
30 /*
31  * University Copyright- Copyright (c) 1982, 1986, 1988
32  * The Regents of the University of California
33  * All Rights Reserved
34  *
35  * University Acknowledgment- Portions of this document are derived from
36  * software developed by the University of California, Berkeley, and its
37  * contributors.
38  */
39 
40 /*LINTLIBRARY*/
41 
42 #include	"curses_inc.h"
43 #include	<sys/types.h>
44 #include	<sys/stat.h>
45 #include	<unistd.h>
46 
47 int
48 scr_ll_dump(FILE *filep)
49 {
50 	short	magic = SVR3_DUMP_MAGIC_NUMBER, rv = ERR;
51 	char	*thistty;
52 	SLK_MAP	*slk = SP->slk;
53 	struct	stat	statbuf;
54 
55 	if (fwrite((char *) &magic, sizeof (short), 1, filep) != 1)
56 		goto err;
57 
58 	/* write term name and modification time */
59 	if ((thistty = ttyname(cur_term->Filedes)) == NULL)
60 		statbuf.st_mtime = 0;
61 	else
62 		(void) stat(thistty, &statbuf);
63 
64 	if (fwrite((char *) &(statbuf.st_mtime), sizeof (time_t),
65 	    1, filep) != 1)
66 		goto err;
67 
68 	/* write curscr */
69 	if (_INPUTPENDING)
70 		(void) force_doupdate();
71 	if (putwin(curscr, filep) == ERR)
72 		goto err;
73 
74 	/* next output: 0 no slk, 1 hardware slk, 2 simulated slk */
75 
76 	magic = (!slk) ? 0 : (slk->_win) ? 2 : 1;
77 	if (fwrite((char *) &magic, sizeof (int), 1, filep) != 1)
78 		goto err;
79 	if (magic) {
80 		short	i, labmax = slk->_num, lablen = slk->_len + 1;
81 
82 		/* output the soft labels themselves */
83 		if ((fwrite((char *) &labmax,
84 		    sizeof (short), 1, filep) != 1) ||
85 		    (fwrite((char *) &lablen, sizeof (short),
86 		    1, filep) != 1)) {
87 			goto err;
88 		}
89 		for (i = 0; i < labmax; i++)
90 			if ((fwrite(slk->_ldis[i], sizeof (char), lablen,
91 			    filep) != lablen) || (fwrite(slk->_lval[i],
92 			    sizeof (char), lablen, filep) != lablen)) {
93 				goto err;
94 			}
95 	}
96 
97 	/* now write information about colors.  Use the following format. */
98 	/* Line 1 is mandatory, the remaining lines are required only if  */
99 	/* line one is 1.						  */
100 	/* line 1: 0 (no colors) or 1 (colors)				  */
101 	/* line 2: number of colors, number of color pairs, can_change	  */
102 	/* X lines: Contents of colors (r, g, b)			  */
103 	/* Y lines: Contents of color-pairs				  */
104 
105 	magic = ((cur_term->_pairs_tbl) ? 1 : 0);
106 	if (fwrite((char *) &magic, sizeof (int), 1, filep) != 1)
107 		goto err;
108 	if (magic) {
109 		/* number of colors and color_pairs	*/
110 		if ((fwrite((char *) &COLORS, sizeof (int), 1, filep) != 1) ||
111 		    (fwrite((char *) &COLOR_PAIRS, sizeof (int), 1, filep) !=
112 		    1) || (fwrite((char *) &can_change, sizeof (char), 1,
113 		    filep) != 1))
114 			goto err;
115 
116 		/* contents of color_table		*/
117 
118 		if (can_change) {
119 			if (fwrite((char *) &(cur_term->_color_tbl->r),
120 			    sizeof (_Color), COLORS, filep) != COLORS)
121 				goto err;
122 		}
123 
124 		/* contents of pairs_table		*/
125 
126 		if (fwrite((char *) &(cur_term->_pairs_tbl->foreground),
127 		    sizeof (_Color_pair), COLOR_PAIRS, filep) != COLOR_PAIRS)
128 			goto err;
129 	}
130 
131 	/* success */
132 	rv = OK;
133 err :
134 	return (rv);
135 }
136