xref: /titanic_41/usr/src/lib/libcurses/screen/scr_ll_dump.c (revision 95efa359b507db290a2484b8f615822b1e06096f)
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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
41 
42 /*LINTLIBRARY*/
43 
44 #include	"curses_inc.h"
45 #include	<sys/types.h>
46 #include	<sys/stat.h>
47 #include	<unistd.h>
48 
49 int
50 scr_ll_dump(FILE *filep)
51 {
52 	short	magic = SVR3_DUMP_MAGIC_NUMBER, rv = ERR;
53 	char	*thistty;
54 	SLK_MAP	*slk = SP->slk;
55 	struct	stat	statbuf;
56 
57 	if (fwrite((char *) &magic, sizeof (short), 1, filep) != 1)
58 		goto err;
59 
60 	/* write term name and modification time */
61 	if ((thistty = ttyname(cur_term->Filedes)) == NULL)
62 		statbuf.st_mtime = 0;
63 	else
64 		(void) stat(thistty, &statbuf);
65 
66 	if (fwrite((char *) &(statbuf.st_mtime), sizeof (time_t),
67 	    1, filep) != 1)
68 		goto err;
69 
70 	/* write curscr */
71 	if (_INPUTPENDING)
72 		(void) force_doupdate();
73 	if (putwin(curscr, filep) == ERR)
74 		goto err;
75 
76 	/* next output: 0 no slk, 1 hardware slk, 2 simulated slk */
77 
78 	magic = (!slk) ? 0 : (slk->_win) ? 2 : 1;
79 	if (fwrite((char *) &magic, sizeof (int), 1, filep) != 1)
80 		goto err;
81 	if (magic) {
82 		short	i, labmax = slk->_num, lablen = slk->_len + 1;
83 
84 		/* output the soft labels themselves */
85 		if ((fwrite((char *) &labmax,
86 		    sizeof (short), 1, filep) != 1) ||
87 		    (fwrite((char *) &lablen, sizeof (short),
88 		    1, filep) != 1)) {
89 			goto err;
90 		}
91 		for (i = 0; i < labmax; i++)
92 			if ((fwrite(slk->_ldis[i], sizeof (char), lablen,
93 			    filep) != lablen) || (fwrite(slk->_lval[i],
94 			    sizeof (char), lablen, filep) != lablen)) {
95 				goto err;
96 			}
97 	}
98 
99 	/* now write information about colors.  Use the following format. */
100 	/* Line 1 is mandatory, the remaining lines are required only if  */
101 	/* line one is 1.						  */
102 	/* line 1: 0 (no colors) or 1 (colors)				  */
103 	/* line 2: number of colors, number of color pairs, can_change	  */
104 	/* X lines: Contents of colors (r, g, b)			  */
105 	/* Y lines: Contents of color-pairs				  */
106 
107 	magic = ((cur_term->_pairs_tbl) ? 1 : 0);
108 	if (fwrite((char *) &magic, sizeof (int), 1, filep) != 1)
109 		goto err;
110 	if (magic) {
111 		/* number of colors and color_pairs	*/
112 		if ((fwrite((char *) &COLORS, sizeof (int), 1, filep) != 1) ||
113 		    (fwrite((char *) &COLOR_PAIRS, sizeof (int), 1, filep) !=
114 		    1) || (fwrite((char *) &can_change, sizeof (char), 1,
115 		    filep) != 1))
116 			goto err;
117 
118 		/* contents of color_table		*/
119 
120 		if (can_change) {
121 			if (fwrite((char *) &(cur_term->_color_tbl->r),
122 			    sizeof (_Color), COLORS, filep) != COLORS)
123 				goto err;
124 		}
125 
126 		/* contents of pairs_table		*/
127 
128 		if (fwrite((char *) &(cur_term->_pairs_tbl->foreground),
129 		    sizeof (_Color_pair), COLOR_PAIRS, filep) != COLOR_PAIRS)
130 			goto err;
131 	}
132 
133 	/* success */
134 	rv = OK;
135 err :
136 	return (rv);
137 }
138