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 ****************************************************************
49 # define STATIC /* a function that the debugger should see */
51 # define STATIC static
55 # define DEBUGDIR "/tmp/debug"
56 # define debugf(a) do {if(dfp){fprintf a;fflush(dfp);}} while (0)
57 # define debug(x) debugf((dfp,x))
58 # define debug1(x,a) debugf((dfp,x,a))
59 # define debug2(x,a,b) debugf((dfp,x,a,b))
60 # define debug3(x,a,b,c) debugf((dfp,x,a,b,c))
63 # define debugf(a) do {} while (0)
64 # define debug(x) debugf(x)
65 # define debug1(x,a) debugf(x)
66 # define debug2(x,a,b) debugf(x)
67 # define debug3(x,a,b,c) debugf(x)
75 # if defined(__STDC__)
76 # 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)
78 # 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)
81 # define ASSERT(lousy_cpp) do {} while (0)
84 /* here comes my own Free: jw. */
85 #define Free(a) {if ((a) == 0) abort(); else free((void *)(a)); (a)=0;}
87 #define Ctrl(c) ((c)&037)
93 #define SILENCEWAIT 30
96 * if a nasty user really wants to try a history of 3000 lines on all 10
97 * windows, he will allocate 8 MegaBytes of memory, which is quite enough.
99 #define MAXHISTHEIGHT 3000
100 #define DEFAULTHISTHEIGHT 100
101 #if defined(NAME_MAX) && NAME_MAX < 16
102 # define DEFAULT_BUFFERFILE "/tmp/screen-xchg"
104 # define DEFAULT_BUFFERFILE "/tmp/screen-exchange"
108 #if defined(hpux) && !(defined(VSUSP) && defined(VDSUSP) && defined(VWERASE) && defined(VLNEXT))
109 # define HPUX_LTCHARS_HACK
116 # ifdef HPUX_LTCHARS_HACK
117 struct ltchars m_ltchars
;
118 # endif /* HPUX_LTCHARS_HACK */
128 struct sgttyb m_ttyb
;
129 struct tchars m_tchars
;
130 struct ltchars m_ltchars
;
135 #if defined(KANJI) && defined(TIOCKSET)
136 struct jtchars m_jtchars
;
142 /* #include "logfile.h" */ /* (requires stat.h) struct logfile */
148 * Parameters for the Detach() routine
154 #define D_REMOTE_POWER 4
159 * Here are the messages the attacher sends to the backend
166 #define MSG_POW_DETACH 5
169 #define MSG_COMMAND 8
172 * versions of struct msg:
173 * 0: screen version 3.6.6 (version count introduced)
174 * 1: screen version 4.1.0
176 #define MSG_VERSION 1
177 #define MSG_REVISION (('m'<<24) | ('s'<<16) | ('g'<<8) | MSG_VERSION)
180 int protocol_revision
; /* reduce harm done by incompatible messages */
182 char m_tty
[MAXPATHLEN
]; /* ttyname */
190 int hheight
; /* size of scrollback buffer */
192 char line
[MAXPATHLEN
];
193 char dir
[MAXPATHLEN
];
194 char screenterm
[20]; /* is screen really "screen" ? */
199 char auser
[20 + 1]; /* username */
200 int apid
; /* pid of frontend */
201 int adaptflag
; /* adapt window size? */
202 int lines
, columns
; /* display size */
204 int esc
; /* his new escape character unless -1 */
205 int meta_esc
; /* his new meta esc character unless -1 */
206 char envterm
[20 + 1]; /* terminal type */
207 int encoding
; /* encoding of display */
208 int detachfirst
; /* whether to detach remote sessions first */
213 char duser
[20 + 1]; /* username */
214 int dpid
; /* pid of frontend */
219 char auser
[20 + 1]; /* username */
221 char cmd
[MAXPATHLEN
]; /* command */
222 int apid
; /* pid of frontend */
226 char message
[MAXPATHLEN
* 2];
231 * And the signals the attacher receives from the backend
233 #define SIG_BYE SIGHUP
234 #define SIG_POWER_BYE SIGUSR1
235 #define SIG_LOCK SIGUSR2
236 #define SIG_STOP SIGTSTP
238 #define SIG_NODEBUG SIGIO /* triggerd by command 'debug off' */
242 #define BELL (Ctrl('g'))
243 #define VBELLWAIT 1 /* No. of seconds a vbell will be displayed */
245 #define BELL_ON 0 /* No bell has occurred in the window */
246 #define BELL_FOUND 1 /* A bell has occurred, but user not yet notified */
247 #define BELL_DONE 2 /* A bell has occured, user has been notified */
249 #define BELL_VISUAL 3 /* A bell has occured in fore win, notify him visually */
251 #define MON_OFF 0 /* Monitoring is off in the window */
252 #define MON_ON 1 /* No activity has occurred in the window */
253 #define MON_FOUND 2 /* Activity has occured, but user not yet notified */
254 #define MON_DONE 3 /* Activity has occured, user has been notified */
256 #define DUMP_TERMCAP 0 /* WriteFile() options */
257 #define DUMP_HARDCOPY 1
258 #define DUMP_EXCHANGE 2
259 #define DUMP_SCROLLBACK 3
261 #define SILENCE_OFF 0
264 extern char strnomem
[];
267 * line modes used by Input()
284 #define MAX_PLOP_DEFS 256
288 int idx
; /* the index in the bsd-is padding lookup table */
289 int bps
; /* bits per seconds */
290 int sym
; /* symbol defined in ttydev.h */
298 #define WLIST_NESTED 2