1/**************************************************************************** 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 163