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Member "schily-2021-09-18/ved/ved.h" (20 Aug 2021, 10658 Bytes) of package /linux/privat/schily-2021-09-18.tar.bz2:
1 /* @(#)ved.h 1.49 21/08/20 Copyr 1984-86, 88-89,97, 2000-2018 J. Schilling */
2 /*
3 * Main include file for VED
4 *
5 * Copyright (c) 1984, 85, 86, 88, 89, 97, 2000-2018 J. Schilling
6 */
7 /*
8 * The contents of this file are subject to the terms of the
9 * Common Development and Distribution License, Version 1.0 only
10 * (the "License"). You may not use this file except in compliance
11 * with the License.
12 *
13 * See the file CDDL.Schily.txt in this distribution for details.
14 * A copy of the CDDL is also available via the Internet at
15 * http://www.opensource.org/licenses/cddl1.txt
16 *
17 * When distributing Covered Code, include this CDDL HEADER in each
18 * file and include the License file CDDL.Schily.txt from this distribution.
19 */
20
21 #include <schily/mconfig.h>
22 #include <schily/stdio.h>
23 #include <schily/stdlib.h>
24 #include <schily/unistd.h>
25 #include <schily/string.h>
26 #include <schily/utypes.h>
27 #include <schily/standard.h>
28 #include <schily/nlsdefs.h>
29 #include <schily/limits.h> /* for MB_LEN_MAX */
30 #include <schily/ctype.h> /* For isprint() */
31 #include <schily/wchar.h> /* wchar_t */
32 #include <schily/wctype.h> /* For iswprint() */
33 #define GT_COMERR /* #define comerr gtcomerr */
34 #define GT_ERROR /* #define error gterror */
35 #include <schily/schily.h>
36 #include <schily/nlsdefs.h>
37
38 #define C (char *)
39 #define UC (unsigned char *)
40 #define CP (char **)
41 #define UCP (unsigned char **)
42 #define CPP (char ***)
43 #define UCPP (unsigned char ***)
44
45 #ifndef DO_WCHAR
46 #undef MB_LEN_MAX
47 #define MB_LEN_MAX 1
48 #endif
49
50 #if MB_LEN_MAX > 1 /* This is multi byte mode */
51 typedef wchar_t echar_t; /* A ved internal character */
52 typedef wint_t eint_t; /* A ved internal "getc()" result */
53
54 #else /* This is single byte mode */
55 typedef unsigned char echar_t; /* A ved internal character */
56 typedef int eint_t; /* A ved internal "getc()" result */
57 #endif
58
59 /*#define USE_LONGLONG_POS*/
60
61 #if defined(HAVE_LARGEFILES) || defined(USE_LONGLONG_POS)
62 /*
63 * do not use long long to allow compilation on non long long
64 * aware systems.
65 */
66 /*typedef long long epos_t;*/
67 /*typedef long long ecnt_t;*/
68 /*
69 * Rather use the "best effort" long long "Llong"
70 */
71 typedef Llong epos_t;
72 typedef Llong ecnt_t;
73 #else
74 typedef long epos_t;
75 typedef long ecnt_t;
76 #endif
77
78 #ifdef TESTLONGLONG
79 enum nicht { blau, besoffen };
80
81 /*typedef long epos_t;*/
82 /*typedef Llong epos_t;*/
83 /*typedef double epos_t;*/
84 /*typedef char epos_t;*/
85 /*typedef enum nicht epos_t;*/
86
87 /*typedef double ecnt_t;*/
88 /*typedef Llong ecnt_t;*/
89 #endif
90
91 /*
92 * We do our own buffering for outout to the screen to make ved
93 * fast on all operating systems independent of the I/O implementation.
94 * Our output buffer size should be more than the size of a usual screen.
95 * As most lines are shorter that 40 characters, a bufsize of 4096 chars
96 * will be sufficient for a 100 line display.
97 */
98 #define BFSIZE 8192
99
100 #ifdef BFSIZE
101 typedef struct {
102 short _count;
103 Uchar _buf[BFSIZE];
104 Uchar *_ptr;
105 } iobuf_t;
106
107 extern iobuf_t _bb;
108
109 #ifdef putchar
110 #undef putchar
111 #endif
112 #ifdef JOS
113 #define putchar(c) {if (--_bb._count >= 0) *_bb._ptr++ = (c); \
114 else _bflush(c); }
115 #else
116 #define putchar(c) (--_bb._count >= 0 ? *_bb._ptr++ = (c): _bflush(c))
117 #endif
118
119 #ifdef flush
120 #undef flush
121 #endif
122 #define flush() _bufflush()
123 #endif /* BFSIZE */
124
125 #ifdef JOS
126 #define ENOENT ENOFILE
127 #endif
128
129 #define SP 0x20 /* The vanilla space */
130 #define TAB 0x09 /* The TAB character */
131 #define DEL 0x7F /* The DEL character */
132 #define SP8 0xA0 /* The non-breakable space */
133 #ifdef USE_DEL8
134 #define DEL8 0xFF /* Bef. y diaresis was added */
135 #endif
136
137 #define TABNONE 255 /* No table */
138 #define TABFIRST CTAB /* The first table */
139 #define CTAB 0 /* The chartable */
140 #define ESCTAB 1 /* The ESC table */
141 #define ALTTAB 2 /* The ALT table */
142 #define AESCTAB 3 /* The ALT-ESC table */
143 #define XTAB 4 /* The X table */
144 #define TABLAST XTAB /* The last table number */
145 #define NCTAB (TABLAST+1) /* The number of tables */
146
147 /*
148 * XXX Only correct on a two's complement machine.
149 */
150 #define MAXULONG (~((unsigned long)0))
151 #define MAXLONG (MAXULONG >> 1)
152
153 #undef min
154 #define min(x, y) (((x) < (y)) ? (x) : (y))
155 #undef max
156 #define max(x, y) (((x) < (y)) ? (y) : (x))
157 /*#define abs(x) (((x) > 0) ? (x) : (-x))*/
158
159 #define TMPNSIZE 28 /* Size of temporary filename buffers */
160 #define NAMESIZE 256 /* Size of several temporary buffers */
161 #define FNAMESIZE 1024 /* Size of edited filename */
162
163 #ifdef JOS
164 #define DEFSHELL "/bin/command"
165 #define HELPFILE UC "/doc/cmds/ved.help"
166 #else
167 #define DEFSHELL "/bin/sh"
168 #define HELPFILE UC "/opt/schily/share/man/help/ved.help"
169 #endif
170
171 /*
172 * A pair of horizontal and vertical position.
173 */
174 typedef struct {
175 int hp;
176 int vp;
177 } cpos_t;
178
179 typedef struct {
180 /*
181 * Current Window status.
182 */
183 epos_t dot; /* The byte offset of the cursor position */
184 epos_t eof; /* The byte offset of the last character + 1 */
185 epos_t mark; /* The byte offset of the selection mark */
186 epos_t window; /* The byte offset of the window start */
187 epos_t ewindow; /* The byte offset of the window end */
188
189 int eflags; /* XXX */
190 BOOL markvalid; /* if true: there is a mark */
191 BOOL overstrikemode; /* if true: overwrite in favor of insert */
192 BOOL visible; /* if true: make TAB, CR, EOL, EOF visible */
193 BOOL dosmode; /* if true: supress '\r' in \r\n sequence */
194 BOOL raw8; /* if true: do not map non acsii 8bit chars */
195 BOOL markwrap; /* if true: mark linewraps with a '\\' at eol */
196
197 int pmargin; /* Max Abstand vom oberen/unteren Rand */
198 int tabstop; /* Breite eines 'tabs' */
199 int optline; /* Vorzugszeile fuer Window - Adjust */
200
201 int wrapmargin; /* autowrap based on margin from linelen */
202 int maxlinelen; /* autowrap based on linelen */
203 BOOL autoindent; /* whether to indent next line like current */
204
205 void *bhead; /* Head of the linked list of used headers */
206 void *gaplink; /* Pointer to the header where the gap starts */
207 epos_t gap; /* Byte offset of first char after the gap */
208 int gapoff; /* Offset within the header the gap starts in */
209
210 /* Three variables used by findpos() only */
211 void *winlink; /* Header containing the start of the window */
212 epos_t winpos; /* Byte offset of the current window start */
213 epos_t winoff; /* Byte offset for start of data in winlink */
214
215 Uchar *curfile; /* current file name */
216 FILE *curfp; /* current file pointer (if file is locked) */
217 long curftime; /* last modification time of current file */
218 int curfd; /* fd used to hold writelock to current file */
219 echar_t lastch; /* a global copy of the last read char */
220 BOOL magic; /* wether to search in 'magic' mode */
221 long modflg; /* number of modifications since last save */
222 ecnt_t curnum; /* mult # fot next edit command */
223 ecnt_t number; /* curnum is copied from this mult # master */
224 int column; /* the remembered not mapped hp of the cursor */
225 /*
226 * Global stuff.
227 */
228 int psize; /* page size of the screen */
229 int llen; /* line length of the screen */
230 } ewin_t;
231
232 extern cpos_t cursor; /* position of cursor in window hp not mapped */
233 extern cpos_t cpos; /* real pos of cursor on screen hp mapped */
234
235 #define COLUPDATE 0x0001 /* if set: update 'column' to current hp */
236 #define SAVENUM 0x0002 /* if set: keep value in 'number' */
237 #define SAVEDEL 0x0004 /* if set: keep next del in delete buffer */
238 #define KEEPDEL 0x0010 /* if set: keep content of delete buffer */
239 #define DELDONE 0x0020 /* if set: last command filled delete buffer */
240
241 #define FREADONLY 0x10000 /* if set: forced readonly on current file */
242 #define FNOLOCK 0x20000 /* if set: could not lock file */
243 #define FLOCKLOCAL 0x40000 /* if set: lock to file is local only */
244
245 #ifdef notused
246 #define MARKVALID 0x0008 /* if set: there is a mark */
247 #define OVERSTRIKE 0x0100 /* if set: overwrite in favor of insert */
248 #define VISIBLE 0x0200 /* if set: make TAB, CR, EOL, EOF visible */
249 #define DOSMODE 0x0400 /* if set: supress '\r' in \r\n sequence */
250 #define RAW8 0x0800 /* if set: do not map non acsii 8bit chars */
251 #define MARKWRAP 0x1000 /* if set: mark linewraps with a '\\' at eol */
252 #endif
253
254 #define LOCK_OK 2 /* A networkwide file lock is present */
255 #define LOCK_LOCAL 1 /* The lock is local only because of flock() */
256 #define LOCK_CANNOT 0 /* The system does not support to lock */
257 #define LOCK_ALREADY -1 /* The file is already locked */
258
259
260 extern int pid; /* process id used for unique tmp file names */
261
262 extern int mflag; /* if > 0 : take characters from macro */
263
264
265 /*
266 * Used by ved.c and io.c
267 */
268 extern char ved_version[];
269
270 /*
271 * Used by ved.c and *cmds.c
272 */
273 extern FILE *takefile; /* FILE * of current take buffer */
274 extern epos_t takesize; /* file size of current take buffer */
275 extern Uchar takename[TMPNSIZE]; /* file name of current take buffer */
276
277 extern FILE *delfile; /* FILE * of delete buffer */
278 extern epos_t delsize; /* file size of delete buffer */
279 extern Uchar delname[TMPNSIZE]; /* file name of delete buffer */
280
281 extern FILE *rubfile; /* FILE * of rubout buffer */
282 extern epos_t rubsize; /* file size of rubout buffer */
283 extern Uchar rubname[TMPNSIZE]; /* file name of rubout buffer */
284
285 extern int ReadOnly; /* if > 0 : do not allow to write back mods */
286 extern int nobak; /* Es wird kein ___.bak angelegt */
287 extern int nolock; /* Es wird kein record locking versucht */
288 extern int noedtmp; /* Kein .vedtmp.* erzeugen */
289 extern int recover; /* altes File reparieren */
290 extern BOOL autodos; /* wp->dosmode aus isdos() bestimmen */
291 extern int nfiles; /* Anzahl der zu editierenden Files */
292 extern int fileidx; /* Index des editierten Files */
293 extern Uchar **files; /* Array der zu editierenden Files */
294
295 /*
296 * Used by io.c and screen.c
297 */
298 extern BOOL markon; /* if true: we are just printing the mark */
299
300 /*
301 * Used by ved.c, message.c and cmdline.c
302 */
303 extern BOOL updatemsg; /* infostr is temporary */
304 extern BOOL updateerr; /* errorstr is temporary */
305 extern BOOL updatesysline; /* whole systemline should be redrawn */
306
307 /*
308 * Used by ved.c and executecmds.c
309 */
310 extern Uchar execname[TMPNSIZE]; /* file name of execute buffer */
311
312 /*
313 * Used by ved.c and filecmds.c
314 */
315 extern Uchar curfname[FNAMESIZE]; /* global file name storage space */
316
317 /*
318 * Used by tags.c and coloncmdsds.c
319 */
320 extern int taglength; /* Maxnimum number of chars to compare */
321 extern Uchar tags[]; /* List of files to search for tags */
322
323 /*
324 * Make function prototypes available for all.
325 */
326 #include "func.h"
2021-08-14_vs_2021-09-18 or