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1e64b3ba JH |
1 | /*- |
2 | * Copyright (c) 1991, 1993 | |
3 | * The Regents of the University of California. All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * 2. Redistributions in binary form must reproduce the above copyright | |
11 | * notice, this list of conditions and the following disclaimer in the | |
12 | * documentation and/or other materials provided with the distribution. | |
13 | * 3. All advertising materials mentioning features or use of this software | |
14 | * must display the following acknowledgement: | |
15 | * This product includes software developed by the University of | |
16 | * California, Berkeley and its contributors. | |
17 | * 4. Neither the name of the University nor the names of its contributors | |
18 | * may be used to endorse or promote products derived from this software | |
19 | * without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
31 | * SUCH DAMAGE. | |
32 | * | |
33 | * @(#)vi.h 8.33 (Berkeley) 1/9/94 | |
34 | */ | |
35 | ||
36 | /* System includes. */ | |
883d16cc | 37 | #include <queue.h> /* Required by screen.h. */ |
1e64b3ba JH |
38 | #include <sys/time.h> /* Required by screen.h. */ |
39 | ||
40 | #include <bitstring.h> /* Required by screen.h. */ | |
41 | #include <limits.h> /* Required by screen.h. */ | |
42 | #include <signal.h> /* Required by screen.h. */ | |
43 | #include <stdio.h> /* Required by screen.h. */ | |
44 | #include <termios.h> /* Required by gs.h. */ | |
45 | ||
46 | /* | |
47 | * Required by screen.h. This is the first include that can pull | |
48 | * in "compat.h". Should be after every other system include. | |
49 | */ | |
50 | #include <regex.h> | |
51 | ||
52 | /* | |
53 | * Forward structure declarations. Not pretty, but the include files | |
54 | * are far too interrelated for a clean solution. | |
55 | */ | |
56 | typedef struct _cb CB; | |
57 | typedef struct _ch CH; | |
58 | typedef struct _chname CHNAME; | |
59 | typedef struct _excmdarg EXCMDARG; | |
60 | typedef struct _exf EXF; | |
61 | typedef struct _fref FREF; | |
62 | typedef struct _gs GS; | |
63 | typedef struct _ibuf IBUF; | |
64 | typedef struct _mark MARK; | |
65 | typedef struct _msg MSG; | |
66 | typedef struct _option OPTION; | |
67 | typedef struct _optlist OPTLIST; | |
68 | typedef struct _scr SCR; | |
69 | typedef struct _script SCRIPT; | |
70 | typedef struct _seq SEQ; | |
71 | typedef struct _tag TAG; | |
72 | typedef struct _tagf TAGF; | |
73 | typedef struct _text TEXT; | |
74 | ||
75 | /* | |
76 | * Fundamental character types. | |
77 | * | |
78 | * CHAR_T An integral type that can hold any character. | |
79 | * ARG_CHAR_T The type of a CHAR_T when passed as an argument using | |
80 | * traditional promotion rules. It should also be able | |
81 | * to be compared against any CHAR_T for equality without | |
82 | * problems. | |
83 | * MAX_CHAR_T The maximum value of any character. | |
84 | * | |
85 | * If no integral type can hold a character, don't even try the port. | |
86 | */ | |
87 | typedef u_char CHAR_T; | |
88 | typedef u_int ARG_CHAR_T; | |
89 | #define MAX_CHAR_T 0xff | |
90 | ||
91 | /* The maximum number of columns any character can take up on a screen. */ | |
92 | #define MAX_CHARACTER_COLUMNS 4 | |
93 | ||
94 | /* | |
95 | * Local includes. | |
96 | */ | |
97 | #include <db.h> /* Required by exf.h; includes compat.h. */ | |
98 | ||
99 | #include "search.h" /* Required by screen.h. */ | |
100 | #include "args.h" /* Required by options.h. */ | |
101 | #include "options.h" /* Required by screen.h. */ | |
102 | #include "term.h" /* Required by screen.h. */ | |
103 | ||
104 | #include "msg.h" /* Required by gs.h. */ | |
105 | #include "cut.h" /* Required by gs.h. */ | |
106 | #include "gs.h" /* Required by screen.h. */ | |
107 | #include "screen.h" /* Required by exf.h. */ | |
108 | #include "mark.h" /* Required by exf.h. */ | |
109 | #include "exf.h" | |
110 | #include "log.h" | |
111 | #include "mem.h" | |
112 | ||
113 | #if FWOPEN_NOT_AVAILABLE /* See PORT/clib/fwopen.c. */ | |
114 | #define EXCOOKIE sp | |
115 | int ex_fflush __P((SCR *)); | |
116 | int ex_printf __P((SCR *, const char *, ...)); | |
117 | FILE *fwopen __P((SCR *, void *)); | |
118 | #else | |
119 | #define EXCOOKIE sp->stdfp | |
120 | #define ex_fflush fflush | |
121 | #define ex_printf fprintf | |
122 | #endif | |
123 | ||
124 | /* Macros to set/clear/test flags. */ | |
125 | #define F_SET(p, f) (p)->flags |= (f) | |
126 | #define F_CLR(p, f) (p)->flags &= ~(f) | |
127 | #define F_ISSET(p, f) ((p)->flags & (f)) | |
128 | ||
129 | #define LF_INIT(f) flags = (f) | |
130 | #define LF_SET(f) flags |= (f) | |
131 | #define LF_CLR(f) flags &= ~(f) | |
132 | #define LF_ISSET(f) (flags & (f)) | |
133 | ||
134 | /* | |
135 | * XXX | |
136 | * MIN/MAX have traditionally been in <sys/param.h>. Don't | |
137 | * try to get them from there, it's just not worth the effort. | |
138 | */ | |
139 | #ifndef MAX | |
140 | #define MAX(_a,_b) ((_a)<(_b)?(_b):(_a)) | |
141 | #endif | |
142 | #ifndef MIN | |
143 | #define MIN(_a,_b) ((_a)<(_b)?(_a):(_b)) | |
144 | #endif | |
145 | ||
146 | /* Function prototypes that don't seem to belong anywhere else. */ | |
147 | u_long baud_from_bval __P((SCR *)); | |
148 | char *charname __P((SCR *, ARG_CHAR_T)); | |
149 | void busy_off __P((SCR *)); | |
150 | void busy_on __P((SCR *, int, char const *)); | |
151 | int nonblank __P((SCR *, EXF *, recno_t, size_t *)); | |
152 | void set_alt_name __P((SCR *, char *)); | |
153 | int set_window_size __P((SCR *, u_int, int)); | |
154 | int status __P((SCR *, EXF *, recno_t, int)); | |
155 | char *tail __P((char *)); | |
156 | CHAR_T *v_strdup __P((SCR *, CHAR_T *, size_t)); | |
157 | ||
158 | #ifdef DEBUG | |
159 | void TRACE __P((SCR *, const char *, ...)); | |
160 | #endif | |
161 | ||
162 | /* Digraphs (not currently real). */ | |
163 | int digraph __P((SCR *, int, int)); | |
164 | int digraph_init __P((SCR *)); | |
165 | void digraph_save __P((SCR *, int)); |