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/*-
* Copyright (c) 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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.
*
* @(#)gs.h 8.39 (Berkeley) 7/23/94
*/
struct _gs {
CIRCLEQ_HEAD(_dqh, _scr) dq; /* Displayed screens. */
CIRCLEQ_HEAD(_hqh, _scr) hq; /* Hidden screens. */
mode_t origmode; /* Original terminal mode. */
struct termios
original_termios; /* Original terminal values. */
MSGH msgq; /* User message list. */
char *tmp_bp; /* Temporary buffer. */
size_t tmp_blen; /* Size of temporary buffer. */
sigset_t blockset; /* Signal mask. */
#ifdef DEBUG
FILE *tracefp; /* Trace file pointer. */
#endif
/* INFORMATION SHARED BY ALL SCREENS. */
IBUF *tty; /* Key input buffer. */
CB *dcbp; /* Default cut buffer pointer. */
CB dcb_store; /* Default cut buffer storage. */
LIST_HEAD(_cuth, _cb) cutq; /* Linked list of cut buffers. */
#define MAX_BIT_SEQ 128 /* Max + 1 fast check character. */
LIST_HEAD(_seqh, _seq) seqq; /* Linked list of maps, abbrevs. */
bitstr_t bit_decl(seqb, MAX_BIT_SEQ);
#define MAX_FAST_KEY 254 /* Max fast check character.*/
#define KEY_LEN(sp, ch) \
((ch) <= MAX_FAST_KEY ? \
sp->gp->cname[ch].len : __key_len(sp, ch))
#define KEY_NAME(sp, ch) \
((ch) <= MAX_FAST_KEY ? \
sp->gp->cname[ch].name : __key_name(sp, ch))
struct {
CHAR_T name[MAX_CHARACTER_COLUMNS + 1];
u_int8_t len;
} cname[MAX_FAST_KEY + 1]; /* Fast lookup table. */
#define KEY_VAL(sp, ch) \
((ch) <= MAX_FAST_KEY ? sp->gp->special_key[ch] : \
(ch) > sp->gp->max_special ? 0 : __key_val(sp, ch))
CHAR_T max_special; /* Max special character. */
u_char /* Fast lookup table. */
special_key[MAX_FAST_KEY + 1];
/* Interrupt macros. */
#define INTERRUPTED(sp) \
(F_ISSET((sp), S_INTERRUPTED) || F_ISSET((sp)->gp, G_SIGINT))
#define CLR_INTERRUPT(sp) { \
F_CLR((sp), S_INTERRUPTED | S_INTERRUPTIBLE); \
F_CLR((sp)->gp, G_SIGINT); \
}
#define G_ABBREV 0x0001 /* If have abbreviations. */
#define G_BELLSCHED 0x0002 /* Bell scheduled. */
#define G_RECOVER_SET 0x0004 /* Recover system initialized. */
#define G_SETMODE 0x0008 /* Tty mode changed. */
#define G_SIGALRM 0x0010 /* SIGALRM arrived. */
#define G_SIGINT 0x0020 /* SIGINT arrived. */
#define G_SIGWINCH 0x0040 /* SIGWINCH arrived. */
#define G_SNAPSHOT 0x0080 /* Always snapshot files. */
#define G_STDIN_TTY 0x0100 /* Standard input is a tty. */
#define G_TERMIOS_SET 0x0200 /* Termios structure is valid. */
#define G_TMP_INUSE 0x0400 /* Temporary buffer in use. */
u_int16_t flags;
};
extern GS *__global_list; /* List of screens. */
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