/****************************************************************************
- * Copyright (c) 1999-2005,2006 Free Software Foundation, Inc. *
+ * Copyright 2019,2020 Thomas E. Dickey *
+ * Copyright 1999-2013,2017 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
/*
* Author: Thomas E. Dickey <dickey@clark.net> 1999
*
- * $Id: dots.c,v 1.15 2006/11/04 19:54:42 tom Exp $
+ * $Id: dots.c,v 1.40 2020/05/29 23:04:02 tom Exp $
*
* A simple demo of the terminfo interface.
*/
+#define USE_TINFO
#include <test.priv.h>
#if HAVE_SETUPTERM
#include <time.h>
-#define valid(s) ((s != 0) && s != (char *)-1)
-
static bool interrupted = FALSE;
static long total_chars = 0;
static time_t started;
-static int
-outc(int c)
+static
+TPUTS_PROTO(outc, c)
{
+ int rc = c;
+
if (interrupted) {
- char tmp = c;
- write(STDOUT_FILENO, &tmp, 1);
+ char tmp = (char) c;
+ if (write(STDOUT_FILENO, &tmp, (size_t) 1) == -1)
+ rc = EOF;
} else {
- putc(c, stdout);
+ rc = putc(c, stdout);
}
- return 0;
+ TPUTS_RETURN(rc);
}
static bool
-outs(char *s)
+outs(const char *s)
{
- if (valid(s)) {
+ if (VALID_STRING(s)) {
tputs(s, 1, outc);
return TRUE;
}
outs(clear_screen);
outs(cursor_normal);
- printf("\n\n%ld total chars, rate %.2f/sec\n",
- total_chars,
- ((double) (total_chars) / (time((time_t *) 0) - started)));
+ fflush(stdout);
+ fprintf(stderr, "\n\n%ld total cells, rate %.2f/sec\n",
+ total_chars,
+ ((double) (total_chars) / (double) (time((time_t *) 0) - started)));
}
static void
interrupted = TRUE;
}
-static float
+static double
ranf(void)
{
long r = (rand() & 077777);
- return ((float) r / 32768.);
+ return ((double) r / 32768.);
+}
+
+static int
+get_number(NCURSES_CONST char *cap, int map)
+{
+ int result = map;
+ if (cap != 0) {
+ int check = tigetnum(cap);
+ if (check > 0)
+ result = check;
+ }
+ return result;
+}
+
+static void
+usage(void)
+{
+ static const char *msg[] =
+ {
+ "Usage: dots [options]"
+ ,""
+ ,"Options:"
+ ," -T TERM override $TERM"
+#if HAVE_USE_ENV
+ ," -e allow environment $LINES / $COLUMNS"
+#endif
+ ," -f use tigetnum rather than <term.h> mapping"
+ ," -m SIZE set margin (default: 2)"
+ ," -r SECS self-interrupt/exit after specified number of seconds"
+ ," -s MSECS delay 1% of the time (default: 1 msecs)"
+ };
+ size_t n;
+
+ for (n = 0; n < SIZEOF(msg); n++)
+ fprintf(stderr, "%s\n", msg[n]);
+
+ ExitProgram(EXIT_FAILURE);
}
int
-main(
- int argc GCC_UNUSED,
- char *argv[]GCC_UNUSED)
+main(int argc,
+ char *argv[])
{
- int x, y, z, p;
- float r;
- float c;
+ int ch;
+ double r;
+ double c;
+ int my_colors;
+ int f_option = 0;
+ int m_option = 2;
+ int r_option = 0;
+ int s_option = 1;
+ size_t need;
+ char *my_env;
+
+ while ((ch = getopt(argc, argv, "T:efm:r:s:")) != -1) {
+ switch (ch) {
+ case 'T':
+ need = 6 + strlen(optarg);
+ my_env = malloc(need);
+ _nc_SPRINTF(my_env, _nc_SLIMIT(need) "TERM=%s", optarg);
+ putenv(my_env);
+ break;
+#if HAVE_USE_ENV
+ case 'e':
+ use_env(TRUE);
+ break;
+#endif
+ case 'f':
+ f_option = 1;
+ break;
+ case 'm':
+ m_option = atoi(optarg);
+ break;
+ case 'r':
+ r_option = atoi(optarg);
+ break;
+ case 's':
+ s_option = atoi(optarg);
+ break;
+ default:
+ usage();
+ break;
+ }
+ }
- CATCHALL(onsig);
+ SetupAlarm(r_option);
+ InitAndCatch(setupterm((char *) 0, 1, (int *) 0), onsig);
srand((unsigned) time(0));
- setupterm((char *) 0, 1, (int *) 0);
+
outs(clear_screen);
outs(cursor_invisible);
- if (max_colors > 1) {
- if (!valid(set_a_foreground)
- || !valid(set_a_background)
- || (!valid(orig_colors) && !valid(orig_pair)))
- max_colors = -1;
+
+#define GetNumber(ln,sn) get_number(f_option ? #sn : 0, ln)
+ my_colors = GetNumber(max_colors, colors);
+ if (my_colors > 1) {
+ if (!VALID_STRING(set_a_foreground)
+ || !VALID_STRING(set_a_background)
+ || (!VALID_STRING(orig_colors) && !VALID_STRING(orig_pair)))
+ my_colors = -1;
}
- r = (float) (lines - 4);
- c = (float) (columns - 4);
+ r = (double) (GetNumber(lines, lines) - (m_option * 2));
+ c = (double) (GetNumber(columns, cols) - (m_option * 2));
started = time((time_t *) 0);
while (!interrupted) {
- x = (int) (c * ranf()) + 2;
- y = (int) (r * ranf()) + 2;
- p = (ranf() > 0.9) ? '*' : ' ';
+ int x = (int) (c * ranf()) + m_option;
+ int y = (int) (r * ranf()) + m_option;
+ int p = (ranf() > 0.9) ? '*' : ' ';
tputs(tparm3(cursor_address, y, x), 1, outc);
- if (max_colors > 0) {
- z = (int) (ranf() * max_colors);
+ if (my_colors > 0) {
+ int z = (int) (ranf() * my_colors);
if (ranf() > 0.01) {
tputs(tparm2(set_a_foreground, z), 1, outc);
} else {
tputs(tparm2(set_a_background, z), 1, outc);
- napms(1);
+ if (s_option)
+ napms(s_option);
}
- } else if (valid(exit_attribute_mode)
- && valid(enter_reverse_mode)) {
+ } else if (VALID_STRING(exit_attribute_mode)
+ && VALID_STRING(enter_reverse_mode)) {
if (ranf() <= 0.01) {
outs((ranf() > 0.6)
? enter_reverse_mode
: exit_attribute_mode);
- napms(1);
+ if (s_option)
+ napms(s_option);
}
}
outc(p);
projects / ncurses.git / blobdiff