Index: screen.c
===================================================================
--- screen.c (nonexistent)
+++ screen.c (revision 5)
@@ -0,0 +1,506 @@
+/* $NetBSD: screen.c,v screen.c,v 1.19 2004/01/27 20:30:30 jsm Exp $ */
+/* For Linux: still using old termcap interface from version 1.13. */
+
+/*-
+ * Copyright (c) 1992, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Chris Torek and Darren F. Provine.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @(#)screen.c 8.1 (Berkeley) 5/31/93
+ */
+
+/*
+ * Tetris screen control.
+ */
+
+#include <sys/ioctl.h>
+
+#include <setjmp.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <termcap.h>
+#include <termios.h>
+#include <unistd.h>
+
+#ifndef sigmask
+#define sigmask(s) (1 << ((s) - 1))
+#endif
+
+#include "screen.h"
+#include "tetris.h"
+
+static cell curscreen[B_SIZE]; /* 1 => standout (or otherwise marked) */
+static int curscore;
+static int isset; /* true => terminal is in game mode */
+static struct termios oldtt;
+static void (*tstp)(int);
+
+static void scr_stop(int);
+static void stopset(int) __attribute__((__noreturn__));
+
+
+/*
+ * Capabilities from TERMCAP.
+ */
+extern char PC, *BC, *UP; /* tgoto requires globals: ugh! */
+static char BCdefault[] = "\b";
+#ifndef NCURSES_VERSION
+speed_t ospeed;
+#endif
+
+static char
+ *bcstr, /* backspace char */
+ *CEstr, /* clear to end of line */
+ *CLstr, /* clear screen */
+ *CMstr, /* cursor motion string */
+#ifdef unneeded
+ *CRstr, /* "\r" equivalent */
+#endif
+ *HOstr, /* cursor home */
+ *LLstr, /* last line, first column */
+ *pcstr, /* pad character */
+ *TEstr, /* end cursor motion mode */
+ *TIstr; /* begin cursor motion mode */
+char
+ *SEstr, /* end standout mode */
+ *SOstr; /* begin standout mode */
+static int
+ COnum, /* co# value */
+ LInum, /* li# value */
+ MSflag; /* can move in standout mode */
+
+
+struct tcsinfo { /* termcap string info; some abbrevs above */
+ char tcname[3];
+ char **tcaddr;
+} tcstrings[] = {
+ {"bc", &bcstr},
+ {"ce", &CEstr},
+ {"cl", &CLstr},
+ {"cm", &CMstr},
+#ifdef unneeded
+ {"cr", &CRstr},
+#endif
+ {"le", &BC}, /* move cursor left one space */
+ {"pc", &pcstr},
+ {"se", &SEstr},
+ {"so", &SOstr},
+ {"te", &TEstr},
+ {"ti", &TIstr},
+ {"up", &UP}, /* cursor up */
+ { {0}, NULL}
+};
+
+/* This is where we will actually stuff the information */
+
+static char combuf[1024], tbuf[1024];
+
+
+/*
+ * Routine used by tputs().
+ */
+int
+put(c)
+ int c;
+{
+
+ return (putchar(c));
+}
+
+/*
+ * putstr() is for unpadded strings (either as in termcap(5) or
+ * simply literal strings); putpad() is for padded strings with
+ * count=1. (See screen.h for putpad().)
+ */
+#define putstr(s) (void)fputs(s, stdout)
+#define moveto(r, c) putpad(tgoto(CMstr, c, r))
+
+/*
+ * Set up from termcap.
+ */
+void
+scr_init()
+{
+ static int bsflag, xsflag, sgnum;
+#ifdef unneeded
+ static int ncflag;
+#endif
+ char *term, *fill;
+ static struct tcninfo { /* termcap numeric and flag info */
+ char tcname[3];
+ int *tcaddr;
+ } tcflags[] = {
+ {"bs", &bsflag},
+ {"ms", &MSflag},
+#ifdef unneeded
+ {"nc", &ncflag},
+#endif
+ {"xs", &xsflag},
+ { {0}, NULL}
+ }, tcnums[] = {
+ {"co", &COnum},
+ {"li", &LInum},
+ {"sg", &sgnum},
+ { {0}, NULL}
+ };
+
+ if ((term = getenv("TERM")) == NULL)
+ stop("you must set the TERM environment variable");
+ if (tgetent(tbuf, term) <= 0)
+ stop("cannot find your termcap");
+ fill = combuf;
+ {
+ struct tcsinfo *p;
+
+ for (p = tcstrings; p->tcaddr; p++)
+ *p->tcaddr = tgetstr(p->tcname, &fill);
+ }
+ {
+ struct tcninfo *p;
+
+ for (p = tcflags; p->tcaddr; p++)
+ *p->tcaddr = tgetflag(p->tcname);
+ for (p = tcnums; p->tcaddr; p++)
+ *p->tcaddr = tgetnum(p->tcname);
+ }
+ if (bsflag)
+ BC = BCdefault;
+ else if (BC == NULL && bcstr != NULL)
+ BC = bcstr;
+ if (CLstr == NULL)
+ stop("cannot clear screen");
+ if (CMstr == NULL || UP == NULL || BC == NULL)
+ stop("cannot do random cursor positioning via tgoto()");
+ PC = pcstr ? *pcstr : 0;
+ if (sgnum >= 0 || xsflag)
+ SOstr = SEstr = NULL;
+#ifdef unneeded
+ if (ncflag)
+ CRstr = NULL;
+ else if (CRstr == NULL)
+ CRstr = "\r";
+#endif
+}
+
+/* this foolery is needed to modify tty state `atomically' */
+static jmp_buf scr_onstop;
+
+static void
+stopset(sig)
+ int sig;
+{
+ sigset_t sigset;
+
+ (void) signal(sig, SIG_DFL);
+ (void) kill(getpid(), sig);
+ sigemptyset(&sigset);
+ sigaddset(&sigset, sig);
+ (void) sigprocmask(SIG_UNBLOCK, &sigset, (sigset_t *)0);
+ longjmp(scr_onstop, 1);
+}
+
+static void
+scr_stop(sig)
+ int sig;
+{
+ sigset_t sigset;
+
+ scr_end();
+ (void) kill(getpid(), sig);
+ sigemptyset(&sigset);
+ sigaddset(&sigset, sig);
+ (void) sigprocmask(SIG_UNBLOCK, &sigset, (sigset_t *)0);
+ scr_set();
+ scr_msg(key_msg, 1);
+}
+
+/*
+ * Set up screen mode.
+ */
+void
+scr_set()
+{
+ struct winsize ws;
+ struct termios newtt;
+ sigset_t sigset, osigset;
+ void (*ttou)(int);
+
+ sigemptyset(&sigset);
+ sigaddset(&sigset, SIGTSTP);
+ sigaddset(&sigset, SIGTTOU);
+ (void) sigprocmask(SIG_BLOCK, &sigset, &osigset);
+ if ((tstp = signal(SIGTSTP, stopset)) == SIG_IGN)
+ (void) signal(SIGTSTP, SIG_IGN);
+ if ((ttou = signal(SIGTTOU, stopset)) == SIG_IGN)
+ (void) signal(SIGTTOU, SIG_IGN);
+ /*
+ * At last, we are ready to modify the tty state. If
+ * we stop while at it, stopset() above will longjmp back
+ * to the setjmp here and we will start over.
+ */
+ (void) setjmp(scr_onstop);
+ (void) sigprocmask(SIG_SETMASK, &osigset, (sigset_t *)0);
+ Rows = 0, Cols = 0;
+ if (ioctl(0, TIOCGWINSZ, &ws) == 0) {
+ Rows = ws.ws_row;
+ Cols = ws.ws_col;
+ }
+ if (Rows == 0)
+ Rows = LInum;
+ if (Cols == 0)
+ Cols = COnum;
+ if (Rows < MINROWS || Cols < MINCOLS) {
+ (void) fprintf(stderr,
+ "the screen is too small: must be at least %dx%d, ",
+ MINCOLS, MINROWS);
+ stop(""); /* stop() supplies \n */
+ }
+ if (tcgetattr(0, &oldtt) < 0)
+ stop("tcgetattr() fails");
+ newtt = oldtt;
+ newtt.c_lflag &= ~(ICANON|ECHO);
+ newtt.c_oflag &= ~OXTABS;
+ newtt.c_cc[VMIN] = 1;
+ newtt.c_cc[VTIME] = 0;
+ if (tcsetattr(0, TCSADRAIN, &newtt) < 0)
+ stop("tcsetattr() fails");
+ ospeed = cfgetospeed(&newtt);
+ (void) sigprocmask(SIG_BLOCK, &sigset, &osigset);
+
+ /*
+ * We made it. We are now in screen mode, modulo TIstr
+ * (which we will fix immediately).
+ */
+ if (TIstr)
+ putstr(TIstr); /* termcap(5) says this is not padded */
+ if (tstp != SIG_IGN)
+ (void) signal(SIGTSTP, scr_stop);
+ if (ttou != SIG_IGN)
+ (void) signal(SIGTTOU, ttou);
+
+ isset = 1;
+ (void) sigprocmask(SIG_SETMASK, &osigset, (sigset_t *)0);
+ scr_clear();
+}
+
+/*
+ * End screen mode.
+ */
+void
+scr_end()
+{
+ sigset_t sigset, osigset;
+
+ sigemptyset(&sigset);
+ sigaddset(&sigset, SIGTSTP);
+ sigaddset(&sigset, SIGTTOU);
+ (void) sigprocmask(SIG_BLOCK, &sigset, &osigset);
+ /* move cursor to last line */
+ if (LLstr)
+ putstr(LLstr); /* termcap(5) says this is not padded */
+ else
+ moveto(Rows - 1, 0);
+ /* exit screen mode */
+ if (TEstr)
+ putstr(TEstr); /* termcap(5) says this is not padded */
+ (void) fflush(stdout);
+ (void) tcsetattr(0, TCSADRAIN, &oldtt);
+ isset = 0;
+ /* restore signals */
+ (void) signal(SIGTSTP, tstp);
+ (void) sigprocmask(SIG_SETMASK, &osigset, (sigset_t *)0);
+}
+
+void
+stop(why)
+ const char *why;
+{
+
+ if (isset)
+ scr_end();
+ (void) fprintf(stderr, "aborting: %s\n", why);
+ exit(1);
+}
+
+/*
+ * Clear the screen, forgetting the current contents in the process.
+ */
+void
+scr_clear()
+{
+
+ putpad(CLstr);
+ curscore = -1;
+ memset((char *)curscreen, 0, sizeof(curscreen));
+}
+
+#if vax && !__GNUC__
+typedef int regcell; /* pcc is bad at `register char', etc */
+#else
+typedef cell regcell;
+#endif
+
+/*
+ * Update the screen.
+ */
+void
+scr_update()
+{
+ cell *bp, *sp;
+ regcell so, cur_so = 0;
+ int i, ccol, j;
+ sigset_t sigset, osigset;
+ static const struct shape *lastshape;
+
+ sigemptyset(&sigset);
+ sigaddset(&sigset, SIGTSTP);
+ (void) sigprocmask(SIG_BLOCK, &sigset, &osigset);
+
+ /* always leave cursor after last displayed point */
+ curscreen[D_LAST * B_COLS - 1] = -1;
+
+ if (score != curscore) {
+ if (HOstr)
+ putpad(HOstr);
+ else
+ moveto(0, 0);
+ (void) printf("Score: %d", score);
+ curscore = score;
+ }
+
+ /* draw preview of nextpattern */
+ if (showpreview && (nextshape != lastshape)) {
+ int i;
+ static int r=5, c=2;
+ int tr, tc, t;
+
+ lastshape = nextshape;
+
+ /* clean */
+ putpad(SEstr);
+ moveto(r-1, c-1); putstr(" ");
+ moveto(r, c-1); putstr(" ");
+ moveto(r+1, c-1); putstr(" ");
+ moveto(r+2, c-1); putstr(" ");
+
+ moveto(r-3, c-2);
+ putstr("Next shape:");
+
+ /* draw */
+ putpad(SOstr);
+ moveto(r, 2*c);
+ putstr(" ");
+ for(i=0; i<3; i++) {
+ t = c + r*B_COLS;
+ t += nextshape->off[i];
+
+ tr = t / B_COLS;
+ tc = t % B_COLS;
+
+ moveto(tr, 2*tc);
+ putstr(" ");
+ }
+ putpad(SEstr);
+ }
+
+ bp = &board[D_FIRST * B_COLS];
+ sp = &curscreen[D_FIRST * B_COLS];
+ for (j = D_FIRST; j < D_LAST; j++) {
+ ccol = -1;
+ for (i = 0; i < B_COLS; bp++, sp++, i++) {
+ if (*sp == (so = *bp))
+ continue;
+ *sp = so;
+ if (i != ccol) {
+ if (cur_so && MSflag) {
+ putpad(SEstr);
+ cur_so = 0;
+ }
+ moveto(RTOD(j), CTOD(i));
+ }
+ if (SOstr) {
+ if (so != cur_so) {
+ putpad(so ? SOstr : SEstr);
+ cur_so = so;
+ }
+ putstr(" ");
+ } else
+ putstr(so ? "XX" : " ");
+ ccol = i + 1;
+ /*
+ * Look ahead a bit, to avoid extra motion if
+ * we will be redrawing the cell after the next.
+ * Motion probably takes four or more characters,
+ * so we save even if we rewrite two cells
+ * `unnecessarily'. Skip it all, though, if
+ * the next cell is a different color.
+ */
+#define STOP (B_COLS - 3)
+ if (i > STOP || sp[1] != bp[1] || so != bp[1])
+ continue;
+ if (sp[2] != bp[2])
+ sp[1] = -1;
+ else if (i < STOP && so == bp[2] && sp[3] != bp[3]) {
+ sp[2] = -1;
+ sp[1] = -1;
+ }
+ }
+ }
+ if (cur_so)
+ putpad(SEstr);
+ (void) fflush(stdout);
+ (void) sigprocmask(SIG_SETMASK, &osigset, (sigset_t *)0);
+}
+
+/*
+ * Write a message (set!=0), or clear the same message (set==0).
+ * (We need its length in case we have to overwrite with blanks.)
+ */
+void
+scr_msg(s, set)
+ char *s;
+ int set;
+{
+
+ if (set || CEstr == NULL) {
+ int l = strlen(s);
+
+ moveto(Rows - 2, ((Cols - l) >> 1) - 1);
+ if (set)
+ putstr(s);
+ else
+ while (--l >= 0)
+ (void) putchar(' ');
+ } else {
+ moveto(Rows - 2, 0);
+ putpad(CEstr);
+ }
+}
Index: .
===================================================================
--- . (nonexistent)
+++ . (revision 5)
Property changes on: .
___________________________________________________________________
Added: svn:ignore
## -0,0 +1,73 ##
+
+# install dir
+dist
+
+# Target build dirs
+.a1x-newlib
+.a2x-newlib
+.at91sam7s-newlib
+
+.build-machine
+
+.a1x-glibc
+.a2x-glibc
+.h3-glibc
+.h5-glibc
+.i586-glibc
+.i686-glibc
+.imx6-glibc
+.jz47xx-glibc
+.makefile
+.am335x-glibc
+.omap543x-glibc
+.p5600-glibc
+.power8-glibc
+.power8le-glibc
+.power9-glibc
+.power9le-glibc
+.m1000-glibc
+.riscv64-glibc
+.rk328x-glibc
+.rk33xx-glibc
+.rk339x-glibc
+.s8xx-glibc
+.s9xx-glibc
+.x86_64-glibc
+
+# Hidden files (each file)
+.makefile
+.dist
+.rootfs
+
+# src & hw requires
+.src_requires
+.src_requires_depend
+.requires
+.requires_depend
+
+# Tarballs
+*.gz
+*.bz2
+*.lz
+*.xz
+*.tgz
+*.txz
+
+# Signatures
+*.asc
+*.sig
+*.sign
+*.sha1sum
+
+# Patches
+*.patch
+
+# Descriptions
+*.dsc
+*.txt
+
+# Default linux config files
+*.defconfig
+
+# backup copies
+*~