Adding upstream version 4.9.1.upstream/4.9.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 316 insertions, 0 deletions

diff --git a/screen.h b/screen.h
new file mode 100644
index 0000000..4823efb
--- /dev/null
+++ b/screen.h
@@ -0,0 +1,316 @@
+/* Copyright (c) 2008, 2009
+ *      Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
+ *      Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
+ *      Micah Cowan (micah@cowan.name)
+ *      Sadrul Habib Chowdhury (sadrul@users.sourceforge.net)
+ * Copyright (c) 1993-2002, 2003, 2005, 2006, 2007
+ *      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 3, 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, see
+ * https://www.gnu.org/licenses/, or contact Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
+ *
+ ****************************************************************
+ * $Id$ GNU
+ */
+
+#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 "sched.h"
+#include "acls.h"
+#include "comm.h"
+#include "layer.h"
+#include "term.h"
+
+
+#ifdef DEBUG
+# define STATIC		/* a function that the debugger should see */
+#else
+# define STATIC static
+#endif
+
+#ifdef DEBUG
+# define DEBUGDIR "/tmp/debug"
+# define debugf(a)       do {if(dfp){fprintf a;fflush(dfp);}} while (0)
+# define debug(x)        debugf((dfp,x))
+# define debug1(x,a)     debugf((dfp,x,a))
+# define debug2(x,a,b)   debugf((dfp,x,a,b))
+# define debug3(x,a,b,c) debugf((dfp,x,a,b,c))
+  extern FILE *dfp;
+#else
+# define debugf(a)       do {} while (0)
+# define debug(x)        debugf(x)
+# define debug1(x,a)     debugf(x)
+# define debug2(x,a,b)   debugf(x)
+# define debug3(x,a,b,c) debugf(x)
+#endif
+
+#ifndef DEBUG
+# define NOASSERT
+#endif
+
+#ifndef NOASSERT
+# if defined(__STDC__)
+#  define ASSERT(lousy_cpp) do {if (!(lousy_cpp)) {if (!dfp) opendebug(0, 1);debug2("ASSERT("#lousy_cpp") failed file %s line %d\n", __FILE__, __LINE__);abort();}} while (0)
+# else
+#  define ASSERT(lousy_cpp) do {if (!(lousy_cpp)) {if (!dfp) opendebug(0, 1);debug2("ASSERT(lousy_cpp) failed file %s line %d\n", __FILE__, __LINE__);abort();}} while (0)
+# endif
+#else
+# define ASSERT(lousy_cpp) do {} while (0)
+#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		768
+#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
+#if defined(NAME_MAX) && NAME_MAX < 16
+# define DEFAULT_BUFFERFILE     "/tmp/screen-xchg"
+#else
+# define DEFAULT_BUFFERFILE	"/tmp/screen-exchange"
+#endif
+
+
+#if defined(hpux) && !(defined(VSUSP) && defined(VDSUSP) && defined(VWERASE) && defined(VLNEXT))
+# define HPUX_LTCHARS_HACK
+#endif
+
+struct mode
+{
+#ifdef POSIX
+  struct termios tio;
+# ifdef HPUX_LTCHARS_HACK
+  struct ltchars m_ltchars;
+# endif /* HPUX_LTCHARS_HACK */
+#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 */
+#endif /* POSIX */
+#if defined(KANJI) && defined(TIOCKSET)
+  struct jtchars m_jtchars;
+  int m_knjmode;
+#endif
+};
+
+
+/* #include "logfile.h" */	/* (requires stat.h) struct logfile */
+#include "image.h"
+#include "canvas.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
+#define D_HANGUP	6
+
+/*
+ * 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
+#define MSG_COMMAND	8
+#define MSG_QUERY       9
+
+/*
+ * versions of struct msg:
+ * 0:	screen version 3.6.6 (version count introduced)
+ * 1:	screen version 4.1.0devel	(revisions e3fc19a upto 8147d08)
+ * 					 A few revisions after 8147d08 incorrectly
+ * 					 carried version 1, but should have carried 2.
+ * 2:	screen version 4.1.0devel	(revisions 8b46d8a upto YYYYYYY)
+ * 3:	screen version 4.2.0		(was incorrectly originally. Patched here)
+ * 4:	screen version 4.2.1		(bumped once again due to changed terminal and login length)
+ * 5: 	screen version 4.4.0		(fix screenterm size)
+ */
+#define MSG_VERSION	5
+
+#define MSG_REVISION	(('m'<<24) | ('s'<<16) | ('g'<<8) | MSG_VERSION)
+struct msg
+{
+  int protocol_revision;	/* reduce harm done by incompatible messages */
+  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[MAXTERMLEN + 1];	/* is screen really "screen" ? */
+	}
+      create;
+      struct
+	{
+	  char auser[MAXLOGINLEN + 1];	/* username */
+	  int apid;		/* pid of frontend */
+	  int adaptflag;	/* adapt window size? */
+	  int lines, columns;	/* display size */
+	  char preselect[20];
+	  int esc;		/* his new escape character unless -1 */
+	  int meta_esc;		/* his new meta esc character unless -1 */
+	  char envterm[MAXTERMLEN + 1];	/* terminal type */
+	  int encoding;		/* encoding of display */
+	  int detachfirst;      /* whether to detach remote sessions first */
+	}
+      attach;
+      struct 
+	{
+	  char duser[MAXLOGINLEN + 1];	/* username */
+	  int dpid;		/* pid of frontend */
+	}
+      detach;
+      struct 
+	{
+	  char auser[MAXLOGINLEN + 1];	/* username */
+	  int nargs;
+	  char cmd[MAXPATHLEN];	/* command */
+	  int apid;		/* pid of frontend */
+	  char preselect[20];
+	  char writeback[MAXPATHLEN];  /* The socket to write the result.
+					  Only used for MSG_QUERY */
+	}
+      command;
+      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
+#ifdef SIGIO
+#define SIG_NODEBUG	SIGIO		/* triggerd by command 'debug off' */
+#endif
+
+
+#define BELL		(Ctrl('g'))
+#define VBELLWAIT	1 /* No. of seconds a vbell will be displayed */
+
+#define BELL_ON		0 /* No bell has occurred in the window */
+#define BELL_FOUND	1 /* A bell has occurred, but user not yet notified */
+#define BELL_DONE	2 /* A bell has occured, user has been notified */
+
+#define BELL_VISUAL	3 /* 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_DONE	3 /* Activity has occured, user has been notified */
+
+#define DUMP_TERMCAP	0 /* WriteFile() options */
+#define DUMP_HARDCOPY	1
+#define DUMP_EXCHANGE	2
+#define DUMP_SCROLLBACK 3
+
+#define SILENCE_OFF	0 /* Not checking for silence */
+#define SILENCE_ON	1 /* Window being monitored for silence */
+#define SILENCE_FOUND   2 /* Window is silent */
+#define SILENCE_DONE    3 /* Window is silent and user is notified */
+
+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 baud_values
+{
+  int idx;	/* the index in the bsd-is padding lookup table */
+  int bps;	/* bits per seconds */
+  int sym;	/* symbol defined in ttydev.h */
+};
+
+/*
+ * windowlist orders
+ */
+#define WLIST_NUM 0
+#define WLIST_MRU 1
+#define WLIST_NESTED 2