Imported Upstream version 3.7.2upstream/3.7.2

1 files changed, 251 insertions, 0 deletions

diff --git a/screen.h b/screen.h
new file mode 100644
index 0000000..ba9040b
--- /dev/null
+++ b/screen.h
@@ -0,0 +1,251 @@
+/* Copyright (c) 1993
+ *      Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
+ *      Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
+ * Copyright (c) 1987 Oliver Laumann
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program (see the file COPYING); if not, write to the
+ * Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
+ *
+ ****************************************************************
+ * $Id: screen.h,v 1.12 1994/05/31 12:32:54 mlschroe Exp $ FAU
+ */
+
+#include "os.h"
+
+#if defined(__STDC__)
+# ifndef __P
+#  define __P(a) a
+# endif
+#else
+# ifndef __P
+#  define __P(a) ()
+# endif
+# define const
+#endif
+
+#include "osdef.h"
+
+#include "ansi.h"
+#include "acls.h"
+#include "comm.h"
+#include "overlay.h"
+#include "term.h"
+
+
+#ifdef DEBUG
+#	define DEBUGDIR "/tmp/debug"
+#	define debug(x) {if(dfp){fprintf(dfp,x);fflush(dfp);}}
+#	define debug1(x,a) {if(dfp){fprintf(dfp,x,a);fflush(dfp);}}
+#	define debug2(x,a,b) {if(dfp){fprintf(dfp,x,a,b);fflush(dfp);}}
+#	define debug3(x,a,b,c) {if(dfp){fprintf(dfp,x,a,b,c);fflush(dfp);}}
+	extern FILE *dfp;
+#else
+#	define debug(x) {}
+#	define debug1(x,a) {}
+#	define debug2(x,a,b) {}
+#	define debug3(x,a,b,c) {}
+#endif
+
+#ifndef DEBUG
+# define NOASSERT
+#endif
+
+#ifndef NOASSERT
+# if defined(__STDC__)
+#  define ASSERT(lousy_cpp) {if (!(lousy_cpp)) {debug2("ASSERT("#lousy_cpp")ion failed file %s line %d\n", __FILE__, __LINE__);abort();}}
+# else
+#  define ASSERT(lousy_cpp) {if (!(lousy_cpp)) {debug2("ASSERT(lousy_cpp)ion failed file %s line %d\n", __FILE__, __LINE__);abort();}}
+# endif
+#else
+# define ASSERT(lousy_cpp) {;}
+#endif
+
+/* here comes my own Free: jw. */
+#define Free(a) {if ((a) == 0) abort(); else free((void *)(a)); (a)=0;}
+
+#define Ctrl(c) ((c)&037)
+
+#define MAXSTR		256
+#define MAXARGS 	64
+#define MSGWAIT 	5
+#define MSGMINWAIT 	1
+#define SILENCEWAIT	30
+
+/*
+ * if a nasty user really wants to try a history of 3000 lines on all 10
+ * windows, he will allocate 8 MegaBytes of memory, which is quite enough.
+ */
+#define MAXHISTHEIGHT		3000
+#define DEFAULTHISTHEIGHT	100
+#define DEFAULT_BUFFERFILE	"/tmp/screen-exchange"
+
+#define	TTY_FLAG_PLAIN		0x01
+
+struct tty_attr
+{
+  int flags;			/* a PLAIN tty or a process behind */
+};
+
+struct mode
+{
+#ifdef POSIX
+  struct termios tio;
+# ifdef hpux
+  struct ltchars m_ltchars;
+# endif /* hpux */
+#else /* POSIX */
+# ifdef TERMIO
+  struct termio tio;
+#  ifdef CYTERMIO
+  int m_mapkey;
+  int m_mapscreen;
+  int m_backspace;
+#  endif
+# else /* TERMIO */
+  struct sgttyb m_ttyb;
+  struct tchars m_tchars;
+  struct ltchars m_ltchars;
+  int m_ldisc;
+  int m_lmode;
+# endif /* TERMIO */
+#if defined(KANJI) && defined(TIOCKSET) && defined(KM_ASCII) && defined(KM_SYSSJIS)
+  struct jtchars m_jtchars;
+  int m_knjmode;
+# endif
+#endif /* POSIX */
+};
+
+#include "image.h"
+#include "display.h"
+#include "window.h"
+
+/*
+ * Parameters for the Detach() routine
+ */
+#define D_DETACH	0
+#define D_STOP		1
+#define D_REMOTE	2
+#define D_POWER 	3
+#define D_REMOTE_POWER	4
+#define D_LOCK		5
+
+/*
+ * Here are the messages the attacher sends to the backend
+ */
+#define MSG_CREATE	0
+#define MSG_ERROR	1
+#define MSG_ATTACH	2
+#define MSG_CONT	3
+#define MSG_DETACH	4
+#define MSG_POW_DETACH	5
+#define MSG_WINCH	6
+#define MSG_HANGUP	7
+
+struct msg
+{
+  int type;
+  char m_tty[MAXPATHLEN];	/* ttyname */
+  union
+    {
+      struct
+	{
+	  int lflag;
+	  int aflag;
+	  int flowflag;
+	  int hheight;		/* size of scrollback buffer */
+	  int nargs;
+	  char line[MAXPATHLEN];
+	  char dir[MAXPATHLEN];
+	  char screenterm[20];	/* is screen really "screen" ? */
+	}
+      create;
+      struct
+	{
+	  char auser[20 + 1];	/* username */
+	  int apid;		/* pid of frontend */
+	  int adaptflag;	/* adapt window size? */
+	  int lines, columns;	/* display size */
+	  char password[20];
+	  char envterm[20 + 1];	/* terminal type */
+	}
+      attach;
+      struct 
+	{
+	  char duser[20 + 1];	/* username */
+	  char password[20];
+	  int dpid;		/* pid of frontend */
+	}
+      detach;
+      char message[MAXPATHLEN * 2];
+    } m;
+};
+
+/*
+ * And the signals the attacher receives from the backend
+ */
+#define SIG_BYE		SIGHUP
+#define SIG_POWER_BYE	SIGUSR1
+#define SIG_LOCK	SIGUSR2
+#define SIG_STOP	SIGTSTP
+#define SIG_PW_OK	SIGUSR1
+#define SIG_PW_FAIL	SIG_BYE
+
+
+#define BELL		(Ctrl('g'))
+#define VBELLWAIT	1 /* No. of seconds a vbell will be displayed */
+
+#define BELL_OFF	0 /* No bell has occurred in the window */
+#define BELL_ON 	1 /* A bell has occurred, but user not yet notified */
+#define BELL_MSG	2 /* A bell has occured, user sees a message */
+#define BELL_DONE	3 /* A bell has occured, user has been notified */
+#define BELL_VISUAL     4 /* A bell has occured in fore win, notify him visually */
+
+#define MON_OFF 	0 /* Monitoring is off in the window */
+#define MON_ON		1 /* No activity has occurred in the window */
+#define MON_FOUND	2 /* Activity has occured, but user not yet notified */
+#define MON_MSG		3 /* Activity has occured, user sees a message */
+#define MON_DONE	4 /* Activity has occured, user has been notified */
+
+#define DUMP_TERMCAP	0 /* WriteFile() options */
+#define DUMP_HARDCOPY	1
+#define DUMP_EXCHANGE	2
+
+extern char strnomem[];
+
+/*
+ * line modes used by Input()
+ */
+#define INP_COOKED	0
+#define INP_NOECHO	1
+#define INP_RAW		2
+#define INP_EVERY	4
+
+
+#ifdef MULTIUSER
+struct acl
+{
+  struct acl *next;
+  char *name;
+};
+#endif
+
+/* register list */
+#define MAX_PLOP_DEFS 256
+struct plop
+{
+  char *buf;
+  int len;
+};
+