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1.1 root 1: /* mh.h - main header file for all of MH */
2:
3:
4: /* Well-used constants */
5:
6: #define NOTOK (-1) /* syscall()s return this on error */
7: #define OK 0 /* ditto on success */
8: #define DONE 1 /* trinary logic */
9: #define ALL ""
10: #define NULLCP ((char *) 0)
11: #define NULLVP ((char **) 0)
12:
13: #define MAXARGS 1000 /* max arguments to exec */
14:
15: #define NFOLDERS 200 /* max folder arguments on command line */
16:
17: #define MAXFOLDER 1000 /* message increment */
18: #define DMAXFOLDER 4 /* typical number of digits */
19:
20: #ifndef BSD42 || BSD41A || VMUNIX
21: #define vfork fork
22: #endif not BSD /* how sad... */
23:
24: /* */
25:
26: /* profile structure */
27:
28: struct node {
29: char *n_name; /* key */
30: char *n_field; /* value */
31:
32: char n_context; /* context, not profile */
33:
34: struct node *n_next; /* next entry */
35: };
36:
37:
38: /* switches structure */
39:
40: #define AMBIGSW (-2) /* from smatch() on ambiguous switch */
41: #define UNKWNSW (-1) /* ditto on unknown switch */
42:
43: struct swit {
44: char *sw;
45: int minchars;
46: };
47:
48: extern struct swit anoyes[]; /* standard yes/no switches */
49:
50:
51: /* messages structure */
52:
53: struct msgs {
54: int hghmsg; /* Highest msg in directory */
55: int nummsg; /* Actual Number of msgs */
56: int lowmsg; /* Lowest msg number */
57: int curmsg; /* Number of current msg if any */
58:
59: int lowsel; /* Lowest selected msg number */
60: int hghsel; /* Highest selected msg number */
61: int numsel; /* Number of msgs selected */
62:
63: char *foldpath; /* Pathname of folder */
64:
65: char msgflags; /* Folder status bits */
66: #ifndef MTR
67: char pad1[sizeof (int) - sizeof (char)];
68: #endif not MTR
69: #define READONLY 0x01 /* No write access to folder */
70: #define SEQMOD 0x02 /* folder's sequences modifed */
71: #define MHPATH 0x04 /* mhpath-style folder handling */
72: #define OTHERS 0x08 /* folder has other files */
73: #define MODIFIED 0x10 /* msh in-core folder modified */
74: #define FBITS "\020\01READONLY\02SEQMOD\03MHPATH\04OTHERS\05MODIFIED"
75:
76: /* Note well: msgstats[] is a short, so we have 16 bits to work
77: with. The first 5 are for standard MH message flags,
78: this leaves us 11 for user-defined attributes. Of these,
79: 1 is reserved for future internal use, so this leaves
80: users 10. */
81: #define NATTRS 10 /* could be 11, see above */
82: char *msgattrs[NATTRS + 1];/* folder attributes */
83: short attrstats; /* public=0/private=1 */
84: #ifndef MTR
85: char pad2[sizeof (int) - sizeof (short)];
86: #endif not MTR
87:
88: int lowoff; /* low element in msgstats[] */
89: int hghoff; /* hgh element in msgstats[] */
90:
91: #ifndef MTR
92: short msgstats[1]; /* msg status */
93: #else MTR
94: short *msgbase; /* msg base */
95: short *msgstats; /* msg status */
96: #endif MTR
97: #define EXISTS 0x0001 /* exists */
98: #define DELETED 0x0002 /* deleted */
99: #define SELECTED 0x0004 /* selected for use */
100: #define SELECT_EMPTY 0x0008 /* mhpath "new" */
101: #define UNSEEN 0x0010 /* inc/show "unseen" */
102: #define FFATTRSLOT 5 /* user-defined attributes */
103: /* first free slot is */
104: /* (1 << 5) or 0x20 */
105: #define MBITS "\020\01EXISTS\02DELETED\03SELECTED\04NEW\05UNSEEN"
106:
107: #ifndef MTR
108: #define MSIZE(mp,lo,hi) \
109: ((unsigned) (sizeof *mp + ((hi) + 2) * sizeof *mp -> msgstats))
110: #else MTR
111: #define MSIZE(mp,lo,hi) ((unsigned) sizeof *mp)
112: #define MSIZEX(mp,lo,hi) \
113: ((unsigned) (((hi) - (lo) + 1) * sizeof *mp -> msgstats))
114: #endif MTR
115: };
116:
117: #define NULLMP ((struct msgs *) 0)
118:
119: /* */
120:
121: /* m_getfld() message parsing */
122:
123: #define NAMESZ 128 /* Limit on component name size */
124:
125: #define LENERR (-2) /* Name too long error from getfld */
126: #define FMTERR (-3) /* Message Format error */
127: #define FLD 0 /* Field returned */
128: #define FLDPLUS 1 /* Field " with more to come */
129: #define FLDEOF 2 /* Field " ending at eom */
130: #define BODY 3 /* Body " with more to come */
131: #define BODYEOF 4 /* Body " ending at eom */
132: #define FILEEOF 5 /* Reached end of input file */
133:
134:
135: /* Maildrop styles */
136:
137: #define MS_DEFAULT 0 /* default (one msg per file) */
138: #define MS_UNKNOWN 1 /* type not known yet */
139: #define MS_UUCP 2 /* Unix-style "from" lines */
140: #define MS_MMDF 3 /* string mmdlm2 */
141: #define MS_MSH 4 /* whacko msh */
142:
143: extern int msg_count; /* m_getfld() indicators */
144: extern int msg_style; /* .. */
145: extern char *msg_delim; /* .. */
146:
147:
148: #define NOUSE 0 /* draft being re-used */
149:
150: #define TFOLDER 0 /* path() given a +folder */
151: #define TFILE 1 /* path() given a file */
152: #define TSUBCWF 2 /* path() given a @folder */
153:
154: #ifndef LINK
155: #define LINK "@"
156: #endif not LINK
157:
158: #ifndef SBACKUP
159: #define SBACKUP ","
160: #endif not SBACKUP
161:
162:
163: #define OUTPUTLINELEN 72 /* default line length for headers */
164:
165: /* */
166:
167: /*
168: * These standard strings are defined in config.c. They are the
169: * only system-dependent parameters in MH, and thus by redefining
170: * their values and reloading the various modules, MH will run
171: * on any system.
172: */
173:
174: extern char *components;
175: extern char *context;
176: extern char *current;
177: extern char *defalt;
178: extern char *digestcomps;
179: extern char *distcomps;
180: extern char *draft;
181: extern char *fileproc;
182: extern char *foldprot;
183: extern char *forwcomps;
184: extern char *incproc;
185: extern char *installproc;
186: extern char *lproc;
187: extern char *mailproc;
188: extern char *mh_defaults;
189: extern char *mh_profile;
190: extern char *mh_seq;
191: extern char *mhlformat;
192: extern char *mhlforward;
193: extern char *mhlproc;
194: extern char *moreproc;
195: extern char *msgprot;
196: extern char *mshproc;
197: extern char *nsequence;
198: extern char *packproc;
199: extern char *postproc;
200: extern char *pfolder;
201: extern char *psequence;
202: extern char *rcvdistcomps;
203: extern char *replcomps;
204: extern char *rmfproc;
205: extern char *rmmproc;
206: extern char *sendproc;
207: extern char *showproc;
208: extern char *slocalproc;
209: extern char *sysed;
210: extern char *usequence;
211: extern char *version;
212: extern char *vmhproc;
213: extern char *whatnowproc;
214: extern char *whomproc;
215:
216: /* */
217:
218: /* global variables -sigh- */
219:
220: extern char ctxflags;
221: #define CTXMOD 0x01 /* context information modified */
222: #define DBITS "\020\01CTXMOD"
223:
224: #ifdef OVERHEAD
225: extern int fd_def;
226: extern int fd_ctx;
227: #endif OVERHEAD
228:
229: extern char *invo_name; /* pgm invocation name */
230: extern char *mypath; /* user's $HOME */
231: extern char *defpath; /* pathname of user's profile */
232: extern char *ctxpath; /* pathname of user's context */
233:
234: extern struct node *m_defs;
235:
236: /* */
237:
238: /* from the MH subroutine library */
239:
240: char *add ();
241: void adios ();
242: void admonish ();
243: void advise ();
244: void advertise ();
245: void ambigsw ();
246: int atooi ();
247: char **brkstring ();
248: void closefds ();
249: char *concat ();
250: char *copy ();
251: char **copyip ();
252: void cpydata ();
253: void cpydgst ();
254: void discard ();
255: void done ();
256: int fdcompare ();
257: int gans ();
258: char **getans ();
259: int getanswer ();
260: char *getcpy ();
261: void help ();
262: char *libpath ();
263: int m_atoi ();
264: char *m_backup ();
265: int m_convert ();
266: int m_delete ();
267: char *m_draft ();
268: void m_eomsbr ();
269: int m_file ();
270: char *m_find ();
271: void m_fmsg ();
272: void m_foil ();
273: void m_getdefs ();
274: int m_getfld ();
275: char *m_getfolder ();
276: int m_gmprot ();
277: struct msgs *m_gmsg ();
278: char *m_maildir ();
279: char *m_mailpath ();
280: char *m_name ();
281: void m_readefs ();
282: struct msgs *m_remsg ();
283: void m_replace ();
284: char *m_scratch ();
285: char *m_seq ();
286: int m_seqadd ();
287: char *m_seqbits ();
288: int m_seqdel ();
289: int m_seqflag ();
290: int m_seqnew ();
291: void m_setcur ();
292: void m_setseq ();
293: void m_setvis ();
294: void m_sync ();
295: char *m_tmpfil ();
296: void m_unknown ();
297: void m_update ();
298: int m_whatnow ();
299: int makedir ();
300: char *path ();
301: int peekc ();
302: int pidwait ();
303: #define pidXwait(id,cp) pidstatus (pidwait (id, NOTOK), stdout, cp)
304: int pidstatus ();
305: void printsw ();
306: void push ();
307: int putenv ();
308: char *pwd ();
309: char *r1bindex ();
310: int refile ();
311: int remdir ();
312: int showfile ();
313: int smatch ();
314: char *sprintb();
315: int ssequal ();
316: int stringdex ();
317: char *trimcpy ();
318: int type ();
319: int uleq ();
320: int unputenv ();
321: int uprf ();
322: int vfgets ();
323:
324: /* */
325:
326: #include "../h/strings.h"
327:
328:
329: /* should be in <stdio.h> */
330:
331: #ifndef SYS5
332: typedef struct _iobuf *FP;
333: FP popen ();
334: #else SYS5
335: #define FP FILE*
336: #endif SYS5
337:
338:
339: /* miscellaneous */
340:
341: #ifndef BSD42
342: #define rename(f1,f2) (link (f1, f2) != NOTOK ? unlink (f1) : NOTOK)
343: #endif BSD42
344:
345: #define setsig(s,f) if (signal (s, SIG_IGN) != SIG_IGN) \
346: (void) signal (s, f)
347: #define setsigx(i,s,f) if ((i = signal (s, SIG_IGN)) != SIG_IGN) \
348: (void) signal (s, f)
349:
350: #ifdef sun
351: #define ruserpass _ruserpass
352: #endif sun
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