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29 * $Id: echochar.c,v 1.6 2008/04/12 22:06:04 tom Exp $
31 * Demonstrate the echochar function (compare to dots.c).
32 * Thomas Dickey - 2006/11/4
35 #include <test.priv.h>
39 #define valid(s) ((s != 0) && s != (char *)-1)
41 static bool interrupted = FALSE;
42 static long total_chars = 0;
43 static time_t started;
50 printf("\n\n%ld total chars, rate %.2f/sec\n",
52 ((double) (total_chars) / (time((time_t *) 0) - started)));
56 onsig(int n GCC_UNUSED)
64 long r = (rand() & 077777);
65 return ((float) r / 32768.);
69 set_color(char *my_pairs, int fg, int bg)
71 int pair = (fg * COLORS) + bg;
72 if (!my_pairs[pair]) {
73 init_pair(pair, fg, bg);
75 attron(COLOR_PAIR(pair));
81 char *argv[]GCC_UNUSED)
92 while ((ch = getopt(argc, argv, "r")) != -1) {
98 fprintf(stderr, "usage: echochar [-r]\n");
99 ExitProgram(EXIT_FAILURE);
106 use_colors = has_colors();
109 if (COLOR_PAIRS > 0) {
110 my_pairs = typeCalloc(char, COLOR_PAIRS);
112 use_colors = (my_pairs != 0);
115 srand((unsigned) time(0));
119 r = (float) (LINES - 4);
120 c = (float) (COLS - 4);
121 started = time((time_t *) 0);
123 while (!interrupted) {
124 x = (int) (c * ranf()) + 2;
125 y = (int) (r * ranf()) + 2;
126 p = (ranf() > 0.9) ? '*' : ' ';
129 if (use_colors > 0) {
130 z = (int) (ranf() * COLORS);
132 set_color(my_pairs, z, last_bg);
135 set_color(my_pairs, last_fg, z);
140 if (ranf() <= 0.01) {
157 ExitProgram(EXIT_SUCCESS);