1 /* Copyright (c) 1993-2002
2 * Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
3 * Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
4 * Copyright (c) 1987 Oliver Laumann
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2, or (at your option)
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program (see the file COPYING); if not, write to the
18 * Free Software Foundation, Inc.,
19 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
21 ****************************************************************
50 # define STATIC /* a function that the debugger should see */
52 # define STATIC static
56 # define DEBUGDIR "/tmp/debug"
57 # define debugf(a) do {if(dfp){fprintf a;fflush(dfp);}} while (0)
58 # define debug(x) debugf((dfp,x))
59 # define debug1(x,a) debugf((dfp,x,a))
60 # define debug2(x,a,b) debugf((dfp,x,a,b))
61 # define debug3(x,a,b,c) debugf((dfp,x,a,b,c))
64 # define debugf(a) do {} while (0)
65 # define debug(x) debugf(x)
66 # define debug1(x,a) debugf(x)
67 # define debug2(x,a,b) debugf(x)
68 # define debug3(x,a,b,c) debugf(x)
76 # if defined(__STDC__)
77 # 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)
79 # 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)
82 # define ASSERT(lousy_cpp) do {} while (0)
85 /* here comes my own Free: jw. */
86 #define Free(a) {if ((a) == 0) abort(); else free((void *)(a)); (a)=0;}
88 #define Ctrl(c) ((c)&037)
94 #define SILENCEWAIT 30
97 * if a nasty user really wants to try a history of 3000 lines on all 10
98 * windows, he will allocate 8 MegaBytes of memory, which is quite enough.
100 #define MAXHISTHEIGHT 3000
101 #define DEFAULTHISTHEIGHT 100
102 #if defined(NAME_MAX) && NAME_MAX < 16
103 # define DEFAULT_BUFFERFILE "/tmp/screen-xchg"
105 # define DEFAULT_BUFFERFILE "/tmp/screen-exchange"
109 #if defined(hpux) && !(defined(VSUSP) && defined(VDSUSP) && defined(VWERASE) && defined(VLNEXT))
110 # define HPUX_LTCHARS_HACK
117 # ifdef HPUX_LTCHARS_HACK
118 struct ltchars m_ltchars
;
119 # endif /* HPUX_LTCHARS_HACK */
129 struct sgttyb m_ttyb
;
130 struct tchars m_tchars
;
131 struct ltchars m_ltchars
;
136 #if defined(KANJI) && defined(TIOCKSET)
137 struct jtchars m_jtchars
;
143 /* #include "logfile.h" */ /* (requires stat.h) struct logfile */
149 * Parameters for the Detach() routine
155 #define D_REMOTE_POWER 4
160 * Here are the messages the attacher sends to the backend
167 #define MSG_POW_DETACH 5
170 #define MSG_COMMAND 8
173 * versions of struct msg:
174 * 0: screen version 3.6.6 (version count introduced)
175 * 1: screen version 4.1.0
177 #define MSG_VERSION 1
178 #define MSG_REVISION (('m'<<24) | ('s'<<16) | ('g'<<8) | MSG_VERSION)
181 int protocol_revision
; /* reduce harm done by incompatible messages */
183 char m_tty
[MAXPATHLEN
]; /* ttyname */
191 int hheight
; /* size of scrollback buffer */
193 char line
[MAXPATHLEN
];
194 char dir
[MAXPATHLEN
];
195 char screenterm
[20]; /* is screen really "screen" ? */
200 char auser
[20 + 1]; /* username */
201 int apid
; /* pid of frontend */
202 int adaptflag
; /* adapt window size? */
203 int lines
, columns
; /* display size */
205 int esc
; /* his new escape character unless -1 */
206 int meta_esc
; /* his new meta esc character unless -1 */
207 char envterm
[20 + 1]; /* terminal type */
208 int encoding
; /* encoding of display */
209 int detachfirst
; /* whether to detach remote sessions first */
214 char duser
[20 + 1]; /* username */
215 int dpid
; /* pid of frontend */
220 char auser
[20 + 1]; /* username */
222 char cmd
[MAXPATHLEN
]; /* command */
223 int apid
; /* pid of frontend */
227 char message
[MAXPATHLEN
* 2];
232 * And the signals the attacher receives from the backend
234 #define SIG_BYE SIGHUP
235 #define SIG_POWER_BYE SIGUSR1
236 #define SIG_LOCK SIGUSR2
237 #define SIG_STOP SIGTSTP
239 #define SIG_NODEBUG SIGIO /* triggerd by command 'debug off' */
243 #define BELL (Ctrl('g'))
244 #define VBELLWAIT 1 /* No. of seconds a vbell will be displayed */
246 #define BELL_ON 0 /* No bell has occurred in the window */
247 #define BELL_FOUND 1 /* A bell has occurred, but user not yet notified */
248 #define BELL_DONE 2 /* A bell has occured, user has been notified */
250 #define BELL_VISUAL 3 /* A bell has occured in fore win, notify him visually */
252 #define MON_OFF 0 /* Monitoring is off in the window */
253 #define MON_ON 1 /* No activity has occurred in the window */
254 #define MON_FOUND 2 /* Activity has occured, but user not yet notified */
255 #define MON_DONE 3 /* Activity has occured, user has been notified */
257 #define DUMP_TERMCAP 0 /* WriteFile() options */
258 #define DUMP_HARDCOPY 1
259 #define DUMP_EXCHANGE 2
260 #define DUMP_SCROLLBACK 3
262 #define SILENCE_OFF 0
265 extern char strnomem
[];
268 * line modes used by Input()
285 #define MAX_PLOP_DEFS 256
289 int idx
; /* the index in the bsd-is padding lookup table */
290 int bps
; /* bits per seconds */
291 int sym
; /* symbol defined in ttydev.h */
299 #define WLIST_NESTED 2