ncurses 5.6 - patch 20071006

[ncurses.git] / test / worm.c

diff --git a/test/worm.c b/test/worm.c
index 142982aef22158049768d429ca65de614e3636b3..534e626e23b8b8e945201ae8edf1bcb4dd7f91e2 100644 (file)
--- a/test/worm.c
+++ b/test/worm.c
@@ -1,3 +1,30 @@
+/****************************************************************************
+ * Copyright (c) 1998-2006,2007 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            *
+ * "Software"), to deal in the Software without restriction, including      *
+ * without limitation the rights to use, copy, modify, merge, publish,      *
+ * distribute, distribute with modifications, sublicense, and/or sell       *
+ * copies of the Software, and to permit persons to whom the Software is    *
+ * furnished to do so, subject to the following conditions:                 *
+ *                                                                          *
+ * The above copyright notice and this permission notice shall be included  *
+ * in all copies or substantial portions of the Software.                   *
+ *                                                                          *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
+ *                                                                          *
+ * Except as contained in this notice, the name(s) of the above copyright   *
+ * holders shall not be used in advertising or otherwise to promote the     *
+ * sale, use or other dealings in this Software without prior written       *
+ * authorization.                                                           *
+ ****************************************************************************/

 /*
 
         @@@        @@@    @@@@@@@@@@     @@@@@@@@@@@    @@@@@@@@@@@@
 /*
 
         @@@        @@@    @@@@@@@@@@     @@@@@@@@@@@    @@@@@@@@@@@@


@@ -34,18 +61,19 @@ Options:
   traces will be dumped.  The program stops and waits for one character of
   input at the beginning and end of the interval.
 
   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 1.31 2000/09/02 18:41:01 tom Exp $
+  $Id: worm.c,v 1.49 2007/09/29 17:35:57 tom Exp $

 */
 
 #include <test.priv.h>
 
 */
 
 #include <test.priv.h>
 

-#include <signal.h>
+#ifdef USE_PTHREADS
+#include <pthread.h>
+#endif

 
 static chtype flavor[] =
 {
     'O', '*', '#', '$', '%', '0', '@',
 };
 
 static chtype flavor[] =
 {
     'O', '*', '#', '$', '%', '0', '@',
 };

-#define MAXWORMS       (sizeof(flavor)/sizeof(chtype))

 static const short xinc[] =
 {
     1, 1, 1, 0, -1, -1, -1, 0
 static const short xinc[] =
 {
     1, 1, 1, 0, -1, -1, -1, 0


@@ -53,17 +81,27 @@ static const short xinc[] =
 {
     -1, 0, 1, 1, 1, 0, -1, -1
 };
 {
     -1, 0, 1, 1, 1, 0, -1, -1
 };

-static struct worm {
-    int orientation, head;
-    short *xpos, *ypos;
-} worm[40];
+
+typedef struct worm {
+    int orientation;
+    int head;
+    short *xpos;
+    short *ypos;
+    chtype attrs;
+#ifdef USE_PTHREADS
+    pthread_t thread;
+#endif
+} WORM;
+
+static WORM worm[40];
+static short **refs;

 
 static const char *field;
 static int length = 16, number = 3;
 static chtype trail = ' ';
 
 #ifdef TRACE
 
 static const char *field;
 static int length = 16, number = 3;
 static chtype trail = ' ';
 
 #ifdef TRACE

-int generation, trace_start, trace_end, singlestep;
+static int generation, trace_start, trace_end;

 #endif /* TRACE */
 /* *INDENT-OFF* */
 static const struct options {
 #endif /* TRACE */
 /* *INDENT-OFF* */
 static const struct options {


@@ -166,7 +204,7 @@ static RETSIGTYPE
 onsig(int sig GCC_UNUSED)
 {
     cleanup();
 onsig(int sig GCC_UNUSED)
 {
     cleanup();

-    exit(EXIT_FAILURE);
+    ExitProgram(EXIT_FAILURE);

 }
 
 static float
 }
 
 static float


@@ -176,17 +214,152 @@ ranf(void)
     return ((float) r / 32768.);
 }
 
     return ((float) r / 32768.);
 }
 

+static int
+draw_worm(WINDOW *win, void *data)
+{
+    WORM *w = (WORM *) data;
+    const struct options *op;
+
+    int x;
+    int y;
+    int h;
+
+    int bottom = LINES - 1;
+    int last = COLS - 1;
+
+    bool done = FALSE;
+
+    if ((x = w->xpos[h = w->head]) < 0) {
+       wmove(win, y = w->ypos[h] = bottom, x = w->xpos[h] = 0);
+       waddch(win, w->attrs);
+       refs[y][x]++;
+    } else {
+       y = w->ypos[h];
+    }
+
+    if (x > last)
+       x = last;
+    if (y > bottom)
+       y = bottom;
+
+    if (++h == length)
+       h = 0;
+
+    if (w->xpos[w->head = h] >= 0) {
+       int x1, y1;
+       x1 = w->xpos[h];
+       y1 = w->ypos[h];
+       if (y1 < LINES
+           && x1 < COLS
+           && --refs[y1][x1] == 0) {
+           wmove(win, y1, x1);
+           waddch(win, trail);
+       }
+    }
+
+    op = &(x == 0
+          ? (y == 0
+             ? upleft
+             : (y == bottom
+                ? lowleft
+                : left))
+          : (x == last
+             ? (y == 0
+                ? upright
+                : (y == bottom
+                   ? lowright
+                   : right))
+             : (y == 0
+                ? upper
+                : (y == bottom
+                   ? lower
+                   : normal))))[w->orientation];
+
+    switch (op->nopts) {
+    case 0:
+       done = TRUE;
+       break;
+    case 1:
+       w->orientation = op->opts[0];
+       break;
+    default:
+       w->orientation = op->opts[(int) (ranf() * (float) op->nopts)];
+       break;
+    }
+
+    if (!done) {
+       x += xinc[w->orientation];
+       y += yinc[w->orientation];
+       wmove(win, y, x);
+
+       if (y < 0)
+           y = 0;
+       waddch(win, w->attrs);
+
+       w->ypos[h] = y;
+       w->xpos[h] = x;
+       refs[y][x]++;
+    }
+
+    return done;
+}
+
+#if !defined(NCURSES_VERSION_PATCH) || (NCURSES_VERSION_PATCH < 20070915)
+static int
+use_window(WINDOW *win, int (*func) (WINDOW *, void *), void *data)
+{
+    return func(win, data);
+}
+#endif
+
+#ifdef USE_PTHREADS
+static void *
+start_worm(void *arg)
+{
+    for (;;) {
+       napms(20);
+       use_window(stdscr, draw_worm, arg);
+    }
+    return NULL;
+}
+#endif
+
+static bool
+draw_all_worms(void)
+{
+    bool done = FALSE;
+    int n;
+    struct worm *w;
+
+#ifdef USE_PTHREADS
+    static bool first = TRUE;
+    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);
+       }
+    }
+#else
+    for (n = 0, w = &worm[0]; n < number; n++, w++) {
+       if (use_window(stdscr, draw_worm, w))
+           done = TRUE;
+    }
+#endif
+    return done;
+}
+

 int
 main(int argc, char *argv[])
 {
 int
 main(int argc, char *argv[])
 {

-    short **ref;

     int x, y;
     int n;
     struct worm *w;
     int x, y;
     int n;
     struct worm *w;

-    const struct options *op;
-    int h;

     short *ip;
     int last, bottom;
     short *ip;
     int last, bottom;

+    bool done = FALSE;
+
+    setlocale(LC_ALL, "");

 
     for (x = 1; x < argc; x++) {
        char *p;
 
     for (x = 1; x < argc; x++) {
        char *p;


@@ -202,7 +375,7 @@ main(int argc, char *argv[])
                goto usage;
            if ((length = atoi(argv[x])) < 2 || length > 1024) {
                fprintf(stderr, "%s: Invalid length\n", *argv);
                goto usage;
            if ((length = atoi(argv[x])) < 2 || length > 1024) {
                fprintf(stderr, "%s: Invalid length\n", *argv);

-               return EXIT_FAILURE;
+               ExitProgram(EXIT_FAILURE);

            }
            break;
        case 'n':
            }
            break;
        case 'n':


@@ -210,16 +383,13 @@ main(int argc, char *argv[])
                goto usage;
            if ((number = atoi(argv[x])) < 1 || number > 40) {
                fprintf(stderr, "%s: Invalid number of worms\n", *argv);
                goto usage;
            if ((number = atoi(argv[x])) < 1 || number > 40) {
                fprintf(stderr, "%s: Invalid number of worms\n", *argv);

-               return EXIT_FAILURE;
+               ExitProgram(EXIT_FAILURE);

            }
            break;
        case 't':
            trail = '.';
            break;
 #ifdef TRACE
            }
            break;
        case 't':
            trail = '.';
            break;
 #ifdef TRACE

-       case 'S':
-           singlestep = TRUE;
-           break;

        case 'T':
            trace_start = atoi(argv[++x]);
            trace_end = atoi(argv[++x]);
        case 'T':
            trace_start = atoi(argv[++x]);
            trace_end = atoi(argv[++x]);


@@ -231,8 +401,8 @@ main(int argc, char *argv[])
        default:
          usage:
            fprintf(stderr,
        default:
          usage:
            fprintf(stderr,

-               "usage: %s [-field] [-length #] [-number #] [-trail]\n", *argv);
-           return EXIT_FAILURE;
+                   "usage: %s [-field] [-length #] [-number #] [-trail]\n", *argv);
+           ExitProgram(EXIT_FAILURE);

        }
     }
 
        }
     }
 


@@ -270,31 +440,34 @@ main(int argc, char *argv[])
     }
 #endif /* A_COLOR */
 
     }
 #endif /* A_COLOR */
 

-    ref = typeMalloc(short *, LINES);
+    refs = typeMalloc(short *, LINES);

     for (y = 0; y < LINES; y++) {
     for (y = 0; y < LINES; y++) {

-       ref[y] = typeMalloc(short, COLS);
+       refs[y] = typeMalloc(short, COLS);

        for (x = 0; x < COLS; x++) {
        for (x = 0; x < COLS; x++) {

-           ref[y][x] = 0;
+           refs[y][x] = 0;

        }
     }
 
 #ifdef BADCORNER
     /* if addressing the lower right corner doesn't work in your curses */
        }
     }
 
 #ifdef BADCORNER
     /* if addressing the lower right corner doesn't work in your curses */

-    ref[bottom][last] = 1;
+    refs[bottom][last] = 1;

 #endif /* BADCORNER */
 
     for (n = number, w = &worm[0]; --n >= 0; w++) {
 #endif /* BADCORNER */
 
     for (n = number, w = &worm[0]; --n >= 0; w++) {

-       w->orientation = w->head = 0;
+       w->attrs = flavor[n % SIZEOF(flavor)];
+       w->orientation = 0;
+       w->head = 0;
+

        if (!(ip = typeMalloc(short, (length + 1)))) {
            fprintf(stderr, "%s: out of memory\n", *argv);
        if (!(ip = typeMalloc(short, (length + 1)))) {
            fprintf(stderr, "%s: out of memory\n", *argv);

-           return EXIT_FAILURE;
+           ExitProgram(EXIT_FAILURE);

        }
        w->xpos = ip;
        for (x = length; --x >= 0;)
            *ip++ = -1;
        if (!(ip = typeMalloc(short, (length + 1)))) {
            fprintf(stderr, "%s: out of memory\n", *argv);
        }
        w->xpos = ip;
        for (x = length; --x >= 0;)
            *ip++ = -1;
        if (!(ip = typeMalloc(short, (length + 1)))) {
            fprintf(stderr, "%s: out of memory\n", *argv);

-           return EXIT_FAILURE;
+           ExitProgram(EXIT_FAILURE);

        }
        w->ypos = ip;
        for (y = length; --y >= 0;)
        }
        w->ypos = ip;
        for (y = length; --y >= 0;)


@@ -313,48 +486,43 @@ main(int argc, char *argv[])
     }
     napms(10);
     refresh();
     }
     napms(10);
     refresh();

-#ifndef TRACE

     nodelay(stdscr, TRUE);
     nodelay(stdscr, TRUE);

-#endif
-
-    for (;;) {
-#ifdef TRACE
-       if (trace_start || trace_end) {
-           if (generation == trace_start) {
-               trace(TRACE_CALLS);
-               getch();
-           } else if (generation == trace_end) {
-               trace(0);
-               getch();
-           }
-
-           if (singlestep && generation > trace_start && generation < trace_end)
-               getch();

 
 

-           generation++;
-       }
-#else
+    while (!done) {

        int ch;
 
        if ((ch = getch()) > 0) {
        int ch;
 
        if ((ch = getch()) > 0) {

+#ifdef TRACE
+           if (trace_start || trace_end) {
+               if (generation == trace_start) {
+                   trace(TRACE_CALLS);
+                   getch();
+               } else if (generation == trace_end) {
+                   trace(0);
+                   getch();
+               }
+
+               generation++;
+           }
+#endif

 #ifdef KEY_RESIZE
            if (ch == KEY_RESIZE) {
                if (last != COLS - 1) {
                    for (y = 0; y <= bottom; y++) {
 #ifdef KEY_RESIZE
            if (ch == KEY_RESIZE) {
                if (last != COLS - 1) {
                    for (y = 0; y <= bottom; y++) {

-                       ref[y] = typeRealloc(short, COLS, ref[y]);
+                       refs[y] = typeRealloc(short, COLS, refs[y]);

                        for (x = last + 1; x < COLS; x++)
                        for (x = last + 1; x < COLS; x++)

-                           ref[y][x] = 0;
+                           refs[y][x] = 0;

                    }
                    last = COLS - 1;
                }
                if (bottom != LINES - 1) {
                    for (y = LINES; y <= bottom; y++)
                    }
                    last = COLS - 1;
                }
                if (bottom != LINES - 1) {
                    for (y = LINES; y <= bottom; y++)

-                       free(ref[y]);
-                   ref = typeRealloc(short *, LINES, ref);
+                       free(refs[y]);
+                   refs = typeRealloc(short *, LINES, refs);

                    for (y = bottom + 1; y < LINES; y++) {
                    for (y = bottom + 1; y < LINES; y++) {

-                       ref[y] = typeMalloc(short, COLS);
+                       refs[y] = typeMalloc(short, COLS);

                        for (x = 0; x < COLS; x++)
                        for (x = 0; x < COLS; x++)

-                           ref[y][x] = 0;
+                           refs[y][x] = 0;

                    }
                    bottom = LINES - 1;
                }
                    }
                    bottom = LINES - 1;
                }


@@ -362,67 +530,33 @@ main(int argc, char *argv[])
 #endif
            /*
             * Make it simple to put this into single-step mode, or resume
 #endif
            /*
             * Make it simple to put this into single-step mode, or resume

-            * normal operation -TD
+            * normal operation -T.Dickey

             */
            if (ch == 'q') {
             */
            if (ch == 'q') {

-               cleanup();
-               return (EXIT_SUCCESS);
+               done = TRUE;
+               continue;

            } else if (ch == 's') {
                nodelay(stdscr, FALSE);
            } else if (ch == ' ') {
                nodelay(stdscr, TRUE);
            }
        }
            } else if (ch == 's') {
                nodelay(stdscr, FALSE);
            } else if (ch == ' ') {
                nodelay(stdscr, TRUE);
            }
        }

-#endif /* TRACE */

 
 

-       for (n = 0, w = &worm[0]; n < number; n++, w++) {
-           if ((x = w->xpos[h = w->head]) < 0) {
-               move(y = w->ypos[h] = bottom, x = w->xpos[h] = 0);
-               addch(flavor[n % MAXWORMS]);
-               ref[y][x]++;
-           } else {
-               y = w->ypos[h];
-           }
-           if (x > last)
-               x = last;
-           if (y > bottom)
-               y = bottom;
-           if (++h == length)
-               h = 0;
-           if (w->xpos[w->head = h] >= 0) {
-               int x1, y1;
-               x1 = w->xpos[h];
-               y1 = w->ypos[h];
-               if (y1 < LINES
-                   && x1 < COLS
-                   && --ref[y1][x1] == 0) {
-                   move(y1, x1);
-                   addch(trail);
-               }
-           }
-           op = &(x == 0 ? (y == 0 ? upleft : (y == bottom ? lowleft :
-                       left)) :
-               (x == last ? (y == 0 ? upright : (y == bottom ? lowright :
-                           right)) :
-                   (y == 0 ? upper : (y == bottom ? lower : normal))))[w->orientation];
-           switch (op->nopts) {
-           case 0:
-               cleanup();
-               return EXIT_SUCCESS;
-           case 1:
-               w->orientation = op->opts[0];
-               break;
-           default:
-               w->orientation = op->opts[(int) (ranf() * (float) op->nopts)];
-           }
-           move(y += yinc[w->orientation], x += xinc[w->orientation]);
-
-           if (y < 0)
-               y = 0;
-           addch(flavor[n % MAXWORMS]);
-           ref[w->ypos[h] = y][w->xpos[h] = x]++;
-       }
+       done = draw_all_worms();

        napms(10);
        refresh();
     }
        napms(10);
        refresh();
     }

+
+    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
+    ExitProgram(EXIT_SUCCESS);

 }
 }