X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=test%2Fworm.c;h=6304e4b06a88e750d006bc68a6c52276de1fb968;hp=2029b34f9e3cefdd00d0c3d4a03ef3b88baf103a;hb=HEAD;hpb=205f120bce7a338464e79ef846e4f07eff365d6c diff --git a/test/worm.c b/test/worm.c index 2029b34f..7c4842e4 100644 --- a/test/worm.c +++ b/test/worm.c @@ -1,5 +1,6 @@ /**************************************************************************** - * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc. * + * Copyright 2018-2020,2022 Thomas E. Dickey * + * Copyright 1998-2016,2017 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 * @@ -47,25 +48,20 @@ July 1995 (esr): worms is now in living color! :-) -Options: - -f fill screen with copies of 'WORM' at start. - -l set worm length - -n set number of worms - -t make worms leave droppings - -T set trace interval - -S set single-stepping during trace interval - -N suppress cursor-movement optimization - This program makes a good torture-test for the ncurses cursor-optimization code. You can use -T to set the worm move interval over which movement traces will be dumped. The program stops and waits for one character of input at the beginning and end of the interval. - $Id: worm.c,v 1.58 2008/10/04 21:54:09 tom Exp $ + $Id: worm.c,v 1.89 2022/12/24 20:46:49 tom Exp $ */ #include +#ifndef NCURSES_VERSION +#undef TRACE +#endif + #ifdef USE_PTHREADS #include #endif @@ -79,7 +75,7 @@ static chtype flavor[] = { 'O', '*', '#', '$', '%', '0', '@', }; -static const short xinc[] = +static const int xinc[] = { 1, 1, 1, 0, -1, -1, -1, 0 }, yinc[] = @@ -90,8 +86,8 @@ static const short xinc[] = typedef struct worm { int orientation; int head; - short *xpos; - short *ypos; + int *xpos; + int *ypos; chtype attrs; #ifdef USE_PTHREADS pthread_t thread; @@ -102,7 +98,8 @@ static unsigned long sequence = 0; static bool quitting = FALSE; static WORM worm[MAX_WORMS]; -static short **refs; +static int max_refs; +static int **refs; static int last_x, last_y; static const char *field; @@ -110,6 +107,18 @@ static int length = 16, number = 3; static chtype trail = ' '; static unsigned pending; + +#ifdef USE_PTHREADS +#define Locked(statement) { \ + pthread_mutex_lock(&pending_mutex); \ + statement; \ + pthread_mutex_unlock(&pending_mutex); \ + } +pthread_mutex_t pending_mutex; +#else +#define Locked(statement) statement +#endif + #ifdef TRACE static int generation, trace_start, trace_end; #endif /* TRACE */ @@ -201,26 +210,48 @@ static const struct options { }; /* *INDENT-ON* */ +#if HAVE_USE_WINDOW +static int +safe_wgetch(WINDOW *w, void *data GCC_UNUSED) +{ + return wgetch(w); +} +static int +safe_wrefresh(WINDOW *w, void *data GCC_UNUSED) +{ + return wrefresh(w); +} +#endif + +#ifdef KEY_RESIZE +static void +failed(const char *s) +{ + perror(s); + stop_curses(); + ExitProgram(EXIT_FAILURE); +} +#endif + static void cleanup(void) { - USING_WINDOW(stdscr, wrefresh); - curs_set(1); - endwin(); + USING_WINDOW1(stdscr, wrefresh, safe_wrefresh); + stop_curses(); } -static RETSIGTYPE +static void onsig(int sig GCC_UNUSED) { cleanup(); ExitProgram(EXIT_FAILURE); } -static float +static double ranf(void) { long r = (rand() & 077777); - return ((float) r / 32768.); + return ((double) r / 32768.); } static int @@ -228,14 +259,19 @@ draw_worm(WINDOW *win, void *data) { WORM *w = (WORM *) data; const struct options *op; - unsigned mask = ~(1 << (w - worm)); - chtype attrs = w->attrs | ((mask & pending) ? A_REVERSE : 0); + unsigned mask = (unsigned) (~(1 << (w - worm))); + chtype attrs; int x; int y; int h; bool done = FALSE; + bool is_pending; + + Locked(is_pending = ((mask & pending) != 0)); + + attrs = w->attrs | (is_pending ? A_REVERSE : 0); if ((x = w->xpos[h = w->head]) < 0) { wmove(win, y = w->ypos[h] = last_y, x = w->xpos[h] = 0); @@ -286,12 +322,13 @@ draw_worm(WINDOW *win, void *data) switch (op->nopts) { case 0: done = TRUE; + Trace(("done - draw_worm")); break; case 1: w->orientation = op->opts[0]; break; default: - w->orientation = op->opts[(int) (ranf() * (float) op->nopts)]; + w->orientation = op->opts[(int) (ranf() * (double) op->nopts)]; break; } @@ -316,9 +353,12 @@ draw_worm(WINDOW *win, void *data) static bool quit_worm(int bitnum) { - pending |= (1 << bitnum); + Locked(pending = (pending | (unsigned) (1 << bitnum))); + napms(10); /* let the other thread(s) have a chance */ - pending &= ~(1 << bitnum); + + Locked(pending = (pending & (unsigned) ~(1 << bitnum))); + return quitting; } @@ -327,10 +367,14 @@ start_worm(void *arg) { unsigned long compare = 0; Trace(("start_worm")); - while (!quit_worm(((struct worm *) arg) - worm)) { - while (compare < sequence) { + while (!quit_worm((int) (((struct worm *) arg) - worm))) { + for (;;) { + bool done = FALSE; + Locked(done = (compare >= sequence)); + if (done) + break; ++compare; - use_window(stdscr, draw_worm, arg); + USING_WINDOW2(stdscr, draw_worm, arg); } } Trace(("...start_worm (done)")); @@ -350,8 +394,7 @@ draw_all_worms(void) if (first) { first = FALSE; for (n = 0, w = &worm[0]; n < number; n++, w++) { - int rc; - rc = pthread_create(&(w->thread), NULL, start_worm, w); + (void) pthread_create(&(w->thread), NULL, start_worm, w); } } #else @@ -367,20 +410,23 @@ static int get_input(void) { int ch; - ch = USING_WINDOW(stdscr, wgetch); + ch = USING_WINDOW1(stdscr, wgetch, safe_wgetch); return ch; } #ifdef KEY_RESIZE static int -update_refs(WINDOW *win) +update_refs(WINDOW *win, void *data) { int x, y; (void) win; + (void) data; if (last_x != COLS - 1) { for (y = 0; y <= last_y; y++) { - refs[y] = typeRealloc(short, COLS, refs[y]); + refs[y] = typeRealloc(int, (size_t) COLS, refs[y]); + if (!refs[y]) + failed("update_refs"); for (x = last_x + 1; x < COLS; x++) refs[y][x] = 0; } @@ -389,9 +435,12 @@ update_refs(WINDOW *win) if (last_y != LINES - 1) { for (y = LINES; y <= last_y; y++) free(refs[y]); - refs = typeRealloc(short *, LINES, refs); + max_refs = LINES; + refs = typeRealloc(int *, (size_t) LINES, refs); for (y = last_y + 1; y < LINES; y++) { - refs[y] = typeMalloc(short, COLS); + refs[y] = typeMalloc(int, (size_t) COLS); + if (!refs[y]) + failed("update_refs"); for (x = 0; x < COLS; x++) refs[y][x] = 0; } @@ -401,40 +450,73 @@ update_refs(WINDOW *win) } #endif +static void +usage(int ok) +{ + static const char *msg[] = + { + "Usage: worm [options]" + ,"" + ,USAGE_COMMON + ,"Options:" +#if HAVE_USE_DEFAULT_COLORS + ," -d invoke use_default_colors" +#endif + ," -f fill screen with copies of \"WORM\" at start" + ," -l set length of worms" + ," -n set number of worms" + ," -t leave trail of \".\"" +#ifdef TRACE + ," -T , set trace interval" + ," -N suppress cursor-movement optimization" +#endif + }; + size_t n; + + for (n = 0; n < SIZEOF(msg); n++) + fprintf(stderr, "%s\n", msg[n]); + + ExitProgram(ok ? EXIT_SUCCESS : EXIT_FAILURE); +} +/* *INDENT-OFF* */ +VERSION_COMMON() +/* *INDENT-ON* */ + int main(int argc, char *argv[]) { + int ch; int x, y; int n; struct worm *w; - short *ip; + int *ip; bool done = FALSE; +#if HAVE_USE_DEFAULT_COLORS + bool opt_d = FALSE; +#endif setlocale(LC_ALL, ""); - for (x = 1; x < argc; x++) { - char *p; - p = argv[x]; - if (*p == '-') - p++; - switch (*p) { + while ((ch = getopt(argc, argv, OPTS_COMMON "dfl:n:tT:N")) != -1) { + switch (ch) { +#if HAVE_USE_DEFAULT_COLORS + case 'd': + opt_d = TRUE; + break; +#endif case 'f': field = "WORM"; break; case 'l': - if (++x == argc) - goto usage; - if ((length = atoi(argv[x])) < 2 || length > MAX_LENGTH) { + if ((length = atoi(optarg)) < 2 || length > MAX_LENGTH) { fprintf(stderr, "%s: Invalid length\n", *argv); - ExitProgram(EXIT_FAILURE); + usage(FALSE); } break; case 'n': - if (++x == argc) - goto usage; - if ((number = atoi(argv[x])) < 1 || number > MAX_WORMS) { + if ((number = atoi(optarg)) < 1 || number > MAX_WORMS) { fprintf(stderr, "%s: Invalid number of worms\n", *argv); - ExitProgram(EXIT_FAILURE); + usage(FALSE); } break; case 't': @@ -442,20 +524,23 @@ main(int argc, char *argv[]) break; #ifdef TRACE case 'T': - trace_start = atoi(argv[++x]); - trace_end = atoi(argv[++x]); + if (sscanf(optarg, "%d,%d", &trace_start, &trace_end) != 2) + usage(FALSE); break; case 'N': _nc_optimize_enable ^= OPTIMIZE_ALL; /* declared by ncurses */ break; #endif /* TRACE */ + case OPTS_VERSION: + show_version(argv); + ExitProgram(EXIT_SUCCESS); default: - usage: - fprintf(stderr, - "usage: %s [-field] [-length #] [-number #] [-trail]\n", *argv); - ExitProgram(EXIT_FAILURE); + usage(ch == OPTS_USAGE); + /* NOTREACHED */ } } + if (optind < argc) + usage(FALSE); signal(SIGINT, onsig); initscr(); @@ -473,13 +558,13 @@ main(int argc, char *argv[]) int bg = COLOR_BLACK; start_color(); #if HAVE_USE_DEFAULT_COLORS - if (use_default_colors() == OK) + if (opt_d && (use_default_colors() == OK)) bg = -1; #endif #define SET_COLOR(num, fg) \ - init_pair(num+1, fg, bg); \ - flavor[num] |= COLOR_PAIR(num+1) | A_BOLD + init_pair(num+1, (short) fg, (short) bg); \ + flavor[num] |= (chtype) COLOR_PAIR(num+1) | A_BOLD SET_COLOR(0, COLOR_GREEN); SET_COLOR(1, COLOR_RED); @@ -491,9 +576,10 @@ main(int argc, char *argv[]) } #endif /* A_COLOR */ - refs = typeMalloc(short *, LINES); - for (y = 0; y < LINES; y++) { - refs[y] = typeMalloc(short, COLS); + max_refs = LINES; + refs = typeMalloc(int *, (size_t) max_refs); + for (y = 0; y < max_refs; y++) { + refs[y] = typeMalloc(int, (size_t) COLS); for (x = 0; x < COLS; x++) { refs[y][x] = 0; } @@ -505,18 +591,18 @@ main(int argc, char *argv[]) #endif /* BADCORNER */ for (n = number, w = &worm[0]; --n >= 0; w++) { - w->attrs = flavor[n % SIZEOF(flavor)]; + w->attrs = flavor[(unsigned) n % SIZEOF(flavor)]; w->orientation = 0; w->head = 0; - if (!(ip = typeMalloc(short, (length + 1)))) { + if (!(ip = typeMalloc(int, (size_t) (length + 1)))) { fprintf(stderr, "%s: out of memory\n", *argv); ExitProgram(EXIT_FAILURE); } w->xpos = ip; for (x = length; --x >= 0;) *ip++ = -1; - if (!(ip = typeMalloc(short, (length + 1)))) { + if (!(ip = typeMalloc(int, (size_t) (length + 1)))) { fprintf(stderr, "%s: out of memory\n", *argv); ExitProgram(EXIT_FAILURE); } @@ -535,21 +621,23 @@ main(int argc, char *argv[]) } } } - USING_WINDOW(stdscr, wrefresh); + USING_WINDOW1(stdscr, wrefresh, safe_wrefresh); nodelay(stdscr, TRUE); - while (!done) { - int ch; +#ifdef USE_PTHREADS + pthread_mutex_init(&pending_mutex, NULL); +#endif - ++sequence; + while (!done) { + Locked(++sequence); if ((ch = get_input()) > 0) { #ifdef TRACE if (trace_start || trace_end) { if (generation == trace_start) { - trace(TRACE_CALLS); + curses_trace(TRACE_CALLS); get_input(); } else if (generation == trace_end) { - trace(0); + curses_trace(0); get_input(); } @@ -570,6 +658,7 @@ main(int argc, char *argv[]) if (ch == 'q') { quitting = TRUE; done = TRUE; + Trace(("done - quitting")); continue; } else if (ch == 's') { nodelay(stdscr, FALSE); @@ -580,21 +669,11 @@ main(int argc, char *argv[]) done = draw_all_worms(); napms(10); - USING_WINDOW(stdscr, wrefresh); + USING_WINDOW1(stdscr, wrefresh, safe_wrefresh); } Trace(("Cleanup")); cleanup(); -#ifdef NO_LEAKS - for (y = 0; y < LINES; y++) { - free(refs[y]); - } - free(refs); - for (n = number, w = &worm[0]; --n >= 0; w++) { - free(w->xpos); - free(w->ypos); - } -#endif #ifdef USE_PTHREADS /* * Do this just in case one of the threads did not really exit. @@ -603,6 +682,16 @@ main(int argc, char *argv[]) for (n = 0; n < number; n++) { pthread_join(worm[n].thread, NULL); } +#endif +#if NO_LEAKS + for (y = 0; y < max_refs; y++) { + free(refs[y]); + } + free(refs); + for (n = number, w = &worm[0]; --n >= 0; w++) { + free(w->xpos); + free(w->ypos); + } #endif ExitProgram(EXIT_SUCCESS); }