blob: 2d6471853e08f7daaba00b2c9dce745e76288e73 [file] [log] [blame]
Amit Daniel Kachhape6a01f52011-07-20 11:45:59 +05301/****************************************************************************
2 * Copyright (c) 1999-2007,2008 Free Software Foundation, Inc. *
3 * *
4 * Permission is hereby granted, free of charge, to any person obtaining a *
5 * copy of this software and associated documentation files (the *
6 * "Software"), to deal in the Software without restriction, including *
7 * without limitation the rights to use, copy, modify, merge, publish, *
8 * distribute, distribute with modifications, sublicense, and/or sell *
9 * copies of the Software, and to permit persons to whom the Software is *
10 * furnished to do so, subject to the following conditions: *
11 * *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
14 * *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
22 * *
23 * Except as contained in this notice, the name(s) of the above copyright *
24 * holders shall not be used in advertising or otherwise to promote the *
25 * sale, use or other dealings in this Software without prior written *
26 * authorization. *
27 ****************************************************************************/
28
29/*
30 * Author: Thomas E. Dickey <dickey@clark.net> 1999
31 *
32 * $Id: dots.c,v 1.17 2008/02/09 18:08:50 tom Exp $
33 *
34 * A simple demo of the terminfo interface.
35 */
36#define USE_TINFO
37#include <test.priv.h>
38
39#if HAVE_SETUPTERM
40
41#include <time.h>
42
43#define valid(s) ((s != 0) && s != (char *)-1)
44
45static bool interrupted = FALSE;
46static long total_chars = 0;
47static time_t started;
48
49static int
50outc(TPUTS_ARG c)
51{
52 if (interrupted) {
53 char tmp = c;
54 write(STDOUT_FILENO, &tmp, 1);
55 } else {
56 putc(c, stdout);
57 }
58 return 0;
59}
60
61static bool
62outs(char *s)
63{
64 if (valid(s)) {
65 tputs(s, 1, outc);
66 return TRUE;
67 }
68 return FALSE;
69}
70
71static void
72cleanup(void)
73{
74 outs(exit_attribute_mode);
75 if (!outs(orig_colors))
76 outs(orig_pair);
77 outs(clear_screen);
78 outs(cursor_normal);
79
80 printf("\n\n%ld total chars, rate %.2f/sec\n",
81 total_chars,
82 ((double) (total_chars) / (time((time_t *) 0) - started)));
83}
84
85static void
86onsig(int n GCC_UNUSED)
87{
88 interrupted = TRUE;
89}
90
91static float
92ranf(void)
93{
94 long r = (rand() & 077777);
95 return ((float) r / 32768.);
96}
97
98int
99main(
100 int argc GCC_UNUSED,
101 char *argv[]GCC_UNUSED)
102{
103 int x, y, z, p;
104 float r;
105 float c;
106
107 CATCHALL(onsig);
108
109 srand((unsigned) time(0));
110 setupterm((char *) 0, 1, (int *) 0);
111 outs(clear_screen);
112 outs(cursor_invisible);
113 if (max_colors > 1) {
114 if (!valid(set_a_foreground)
115 || !valid(set_a_background)
116 || (!valid(orig_colors) && !valid(orig_pair)))
117 max_colors = -1;
118 }
119
120 r = (float) (lines - 4);
121 c = (float) (columns - 4);
122 started = time((time_t *) 0);
123
124 while (!interrupted) {
125 x = (int) (c * ranf()) + 2;
126 y = (int) (r * ranf()) + 2;
127 p = (ranf() > 0.9) ? '*' : ' ';
128
129 tputs(tparm3(cursor_address, y, x), 1, outc);
130 if (max_colors > 0) {
131 z = (int) (ranf() * max_colors);
132 if (ranf() > 0.01) {
133 tputs(tparm2(set_a_foreground, z), 1, outc);
134 } else {
135 tputs(tparm2(set_a_background, z), 1, outc);
136 napms(1);
137 }
138 } else if (valid(exit_attribute_mode)
139 && valid(enter_reverse_mode)) {
140 if (ranf() <= 0.01) {
141 outs((ranf() > 0.6)
142 ? enter_reverse_mode
143 : exit_attribute_mode);
144 napms(1);
145 }
146 }
147 outc(p);
148 fflush(stdout);
149 ++total_chars;
150 }
151 cleanup();
152 ExitProgram(EXIT_SUCCESS);
153}
154#else
155int
156main(int argc GCC_UNUSED,
157 char *argv[]GCC_UNUSED)
158{
159 fprintf(stderr, "This program requires terminfo\n");
160 exit(EXIT_FAILURE);
161}
162#endif