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Initial revision
author kono
date Mon, 18 Apr 2005 23:46:02 +0900
parents
children 442dbbf0ac7d
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-1:000000000000 0:bce86c4163a3
1 /* mh.h - main header file for all of MH */
2 /* @(#)$Id$ */
3
4
5 /* Well-used constants */
6
7 #define NOTOK (-1) /* syscall()s return this on error */
8 #define OK 0 /* ditto on success */
9 #define DONE 1 /* trinary logic */
10 #define ALL ""
11 #define NULLCP ((char *) 0)
12 #define NULLVP ((char **) 0)
13 #define Nbby 8 /* number of bits/byte */
14
15 #define MAXARGS 1000 /* max arguments to exec */
16
17 #ifndef NFOLDERS
18 #define NFOLDERS 1000 /* max folder arguments on command line */
19 #endif
20
21 #ifndef UCI
22 #define MAXFOLDER 1000 /* message increment */
23 #else
24 #define MAXFOLDER 1500 /* message increment */
25 #endif
26 #define DMAXFOLDER 4 /* typical number of digits */
27
28 #if (!defined(BSD42) && !defined(BSD41A) && !defined(VMUNIX) && !defined(hpux)) || defined(_AIX)
29 #define vfork fork
30 #endif /* not BSD */ /* how sad... */
31
32 /* */
33
34 /* profile structure */
35
36 struct node {
37 char *n_name; /* key */
38 char *n_field; /* value */
39
40 char n_context; /* context, not profile */
41
42 struct node *n_next; /* next entry */
43 };
44
45
46 /* switches structure */
47
48 #define AMBIGSW (-2) /* from smatch() on ambiguous switch */
49 #define UNKWNSW (-1) /* ditto on unknown switch */
50
51 struct swit {
52 char *sw;
53 int minchars;
54 };
55
56 extern struct swit anoyes[]; /* standard yes/no switches */
57
58
59 /* messages structure */
60
61 struct msgs {
62 int hghmsg; /* Highest msg in directory */
63 int nummsg; /* Actual Number of msgs */
64 int lowmsg; /* Lowest msg number */
65 int curmsg; /* Number of current msg if any */
66
67 int lowsel; /* Lowest selected msg number */
68 int hghsel; /* Highest selected msg number */
69 int numsel; /* Number of msgs selected */
70
71 char *foldpath; /* Pathname of folder */
72
73 int msgflags; /* Folder status bits */
74 #ifndef MTR
75 char pad1[sizeof (int) - sizeof (char)];
76 #endif /* not MTR */
77 #define READONLY 0x01 /* No write access to folder */
78 #define SEQMOD 0x02 /* folder's sequences modifed */
79 #define MHPATH 0x04 /* mhpath-style folder handling */
80 #define OTHERS 0x08 /* folder has other files */
81 #define MODIFIED 0x10 /* msh in-core folder modified */
82 #define FBITS "\020\01READONLY\02SEQMOD\03MHPATH\04OTHERS\05MODIFIED"
83
84 /* Note well: msgstats[] is a int, so we have 16 or 32 bits to work
85 with. The first 5 are for standard MH message flags,
86 this leaves us 11 (or 27) for user-defined attributes. Of
87 these, 1 is reserved for future internal use, so this leaves
88 users 10 (or 26). */
89 #define NATTRS ((sizeof(int)*Nbby)-6) /* see above */
90 char *msgattrs[NATTRS + 1];/* folder attributes */
91 int attrstats; /* public=0/private=1 */
92
93 int lowoff; /* low element in msgstats[] */
94 int hghoff; /* hgh element in msgstats[] */
95
96 #ifndef MTR
97 int msgstats[1]; /* msg status */
98 #else /* MTR */
99 int *msgbase; /* msg base */
100 int *msgstats; /* msg status */
101 #endif /* MTR */
102 #define EXISTS 0x0001 /* exists */
103 #define DELETED 0x0002 /* deleted */
104 #define SELECTED 0x0004 /* selected for use */
105 #define SELECT_EMPTY 0x0008 /* mhpath "new" */
106 #define UNSEEN 0x0010 /* inc/show "unseen" */
107 #define FFATTRSLOT 5 /* user-defined attributes */
108 /* first free slot is */
109 /* (1 << 5) or 0x20 */
110 #define MBITS "\020\01EXISTS\02DELETED\03SELECTED\04NEW\05UNSEEN"
111
112 #ifndef MTR
113 #define MHSIZE(mp,lo,hi) \
114 ((unsigned) (sizeof *mp + ((hi) + 2) * sizeof *mp -> msgstats))
115 #else /* MTR */
116 #define MHSIZE(mp,lo,hi) ((unsigned) sizeof *mp)
117 #define MHSIZEX(mp,lo,hi) \
118 ((unsigned) (((hi) - (lo) + 1) * sizeof *mp -> msgstats))
119 #endif /* MTR */
120 };
121
122 #define NULLMP ((struct msgs *) 0)
123
124 /* */
125
126 /* m_getfld() message parsing */
127
128 #define NAMESZ 128 /* Limit on component name size */
129
130 #define LENERR (-2) /* Name too long error from getfld */
131 #define FMTERR (-3) /* Message Format error */
132 #define FLD 0 /* Field returned */
133 #define FLDPLUS 1 /* Field " with more to come */
134 #define FLDEOF 2 /* Field " ending at eom */
135 #define BODY 3 /* Body " with more to come */
136 #define BODYEOF 4 /* Body " ending at eom */
137 #define FILEEOF 5 /* Reached end of input file */
138
139
140 /* Maildrop styles */
141
142 #define MS_DEFAULT 0 /* default (one msg per file) */
143 #define MS_UNKNOWN 1 /* type not known yet */
144 #define MS_UUCP 2 /* Unix-style "from" lines */
145 #define MS_MMDF 3 /* string mmdlm2 */
146 #define MS_MSH 4 /* whacko msh */
147
148 extern int msg_count; /* m_getfld() indicators */
149 extern int msg_style; /* .. */
150 extern char *msg_delim; /* .. */
151
152
153 #define NOUSE 0 /* draft being re-used */
154
155 #define TFOLDER 0 /* path() given a +folder */
156 #define TFILE 1 /* path() given a file */
157 #define TSUBCWF 2 /* path() given a @folder */
158
159 #ifndef LINK
160 #define LINK "@"
161 #endif /* not LINK */
162
163 #ifndef SBACKUP
164 #define SBACKUP ","
165 #endif /* not SBACKUP */
166
167
168 #define OUTPUTLINELEN 72 /* default line length for headers */
169
170 /* */
171
172 /*
173 * These standard strings are defined in config.c. They are the
174 * only system-dependent parameters in MH, and thus by redefining
175 * their values and reloading the various modules, MH will run
176 * on any system.
177 */
178
179 extern char *components;
180 extern char *context;
181 extern char *current;
182 extern char *defalt;
183 extern char *digestcomps;
184 extern char *distcomps;
185 extern char *draft;
186 extern char *faceproc;
187 extern char *fileproc;
188 extern char *foldprot;
189 extern char *forwcomps;
190 extern char *inbox;
191 extern char *incproc;
192 extern char *installproc;
193 extern char *lproc;
194 extern char *mailproc;
195 extern char *mh_defaults;
196 extern char *mh_profile;
197 extern char *mh_seq;
198 extern char *mhlformat;
199 extern char *mhlforward;
200 extern char *mhlproc;
201 extern char *moreproc;
202 extern char *msgprot;
203 extern char *mshproc;
204 extern char *nsequence;
205 extern char *packproc;
206 extern char *postproc;
207 extern char *pfolder;
208 extern char *psequence;
209 extern char *rcvdistcomps;
210 extern char *replcomps;
211 extern char *rmfproc;
212 extern char *rmmproc;
213 extern char *sendproc;
214 extern char *showproc;
215 extern char *slocalproc;
216 extern char *sysed;
217 extern char *usequence;
218 extern char *version;
219 extern char *vmhproc;
220 extern char *whatnowproc;
221 extern char *whomproc;
222
223 /* */
224
225 /* global variables -sigh- */
226
227 extern char ctxflags;
228 #define CTXMOD 0x01 /* context information modified */
229 #define DBITS "\020\01CTXMOD"
230
231 #ifdef OVERHEAD
232 extern int fd_def;
233 extern int fd_ctx;
234 #endif /* OVERHEAD */
235
236 extern char *invo_name; /* pgm invocation name */
237 extern char *mypath; /* user's $HOME */
238 extern char *defpath; /* pathname of user's profile */
239 extern char *ctxpath; /* pathname of user's context */
240
241 extern struct node *m_defs;
242
243 /* */
244
245 /* from the MH subroutine library */
246
247 char *add ();
248 void adios ();
249 void admonish ();
250 void advise ();
251 void advertise ();
252 void ambigsw ();
253 int atooi ();
254 char **brkstring ();
255 void closefds ();
256 char *concat ();
257 char *copy ();
258 char **copyip ();
259 void cpydata ();
260 void cpydgst ();
261 void discard ();
262 void done ();
263 int fdcompare ();
264 int gans ();
265 char **getans ();
266 int getanswer ();
267 char *getcpy ();
268 void help ();
269 char *libpath ();
270 int m_atoi ();
271 char *m_backup ();
272 int m_convert ();
273 int m_delete ();
274 char *m_draft ();
275 void m_eomsbr ();
276 int m_file ();
277 char *m_find ();
278 void m_fmsg ();
279 void m_foil ();
280 void m_getdefs ();
281 int m_getfld ();
282 char *m_getfolder ();
283 int m_gmprot ();
284 struct msgs *m_gmsg ();
285 char *m_maildir ();
286 char *m_mailpath ();
287 char *m_name ();
288 int m_putenv ();
289 void m_readefs ();
290 struct msgs *m_remsg ();
291 void m_replace ();
292 char *m_scratch ();
293 char *m_seq ();
294 int m_seqadd ();
295 char *m_seqbits ();
296 int m_seqdel ();
297 int m_seqflag ();
298 int m_seqnew ();
299 void m_setcur ();
300 void m_setseq ();
301 void m_setvis ();
302 void m_sync ();
303 char *m_tmpfil ();
304 void m_unknown ();
305 void m_update ();
306 int m_whatnow ();
307 int makedir ();
308 char *path ();
309 int peekc ();
310 int pidwait ();
311 #define pidXwait(id,cp) pidstatus (pidwait (id, NOTOK), stdout, cp)
312 int pidstatus ();
313 void printsw ();
314 void push ();
315 char *pwd ();
316 char *r1bindex ();
317 int refile ();
318 int remdir ();
319 int showfile ();
320 int smatch ();
321 char *sprintb();
322 int ssequal ();
323 int stringdex ();
324 char *trimcpy ();
325 int type ();
326 int uleq ();
327 int unputenv ();
328 int uprf ();
329 int vfgets ();
330
331 /* */
332
333 #include "../h/strings.h"
334
335 /* should be in <stdio.h> */
336
337 #if !defined(SYS5) && !defined(ncr) && !defined(_AIX) && !defined(OSF1) && !defined(__osf__) && !defined(__convex__) && !defined(__386BSD__) && !defined(BSD44)
338 typedef struct _iobuf *FP;
339 FP popen ();
340 #else /* SYS5 */
341 #define FP FILE*
342 #endif /* SYS5 */
343
344
345 /* miscellaneous */
346
347 #if !defined(BSD42) && !defined(hpux) && !defined(ncr) && !defined(_AIX) && !defined(RENAME)
348 #define rename(f1,f2) (link (f1, f2) != NOTOK ? unlink (f1) : NOTOK)
349 #endif /* not BSD42 */
350
351 #define setsig(s,f) if (signal (s, SIG_IGN) != SIG_IGN) \
352 (void) signal (s, f)
353 #define setsigx(i,s,f) if ((i = signal (s, SIG_IGN)) != SIG_IGN) \
354 (void) signal (s, f)
355
356 #if defined(sun) && !defined(NFS)
357 #define NFS
358 #endif
359
360 #ifdef NFS
361 #define ruserpass _ruserpass
362 #endif
363
364 #if (defined(BSD44) || defined(SUN40) || defined(hpux) \
365 || defined(_AIX) || defined (sgi)) && !defined(UNISTD)
366 #define UNISTD
367 #endif
368
369 #ifdef JAPAN
370 /*
371 * Japanization patch (patchlevel.2)
372 * by Toshihiro Takada <takada@seraph.ntt.jp>
373 * especially thanks to
374 * hkojima@etl.go.jp (Hiroaki Kojima)
375 * UEHARA Tetsu=TaLow <tetsu@kutsuda.kuis.kyoto-u.ac.jp>
376 * and
377 * Hayashi Haruhisa <hayashi@lufiea10.kuic.kyoto-u.ac.jp>
378 */
379 void ml_init ();
380 int ml_ismlchar ();
381 int ml_ismlptr ();
382 void ml_fputs ();
383 void ml_pretty_fputs ();
384 void junet_fputs ();
385 char *ml_conv ();
386 #endif /* JAPAN */
387 #ifdef MIME_HEADERS
388 char *exthdr_encode ();
389 char *exthdr_decode ();
390 #endif /* MIME_HEADERS */