4.3BSD/usr/contrib/mh/h/mh.h
/* mh.h - main header file for all of MH */
/* Well-used constants */
#define NOTOK (-1) /* syscall()s return this on error */
#define OK 0 /* ditto on success */
#define DONE 1 /* trinary logic */
#define ALL ""
#define NULLCP ((char *) 0)
#define NULLVP ((char **) 0)
#define MAXARGS 1000 /* max arguments to exec */
#define NFOLDERS 200 /* max folder arguments on command line */
#define MAXFOLDER 1000 /* message increment */
#define DMAXFOLDER 4 /* typical number of digits */
#ifndef BSD42 || BSD41A || VMUNIX
#define vfork fork
#endif not BSD /* how sad... */
/* */
/* profile structure */
struct node {
char *n_name; /* key */
char *n_field; /* value */
char n_context; /* context, not profile */
struct node *n_next; /* next entry */
};
/* switches structure */
#define AMBIGSW (-2) /* from smatch() on ambiguous switch */
#define UNKWNSW (-1) /* ditto on unknown switch */
struct swit {
char *sw;
int minchars;
};
extern struct swit anoyes[]; /* standard yes/no switches */
/* messages structure */
struct msgs {
int hghmsg; /* Highest msg in directory */
int nummsg; /* Actual Number of msgs */
int lowmsg; /* Lowest msg number */
int curmsg; /* Number of current msg if any */
int lowsel; /* Lowest selected msg number */
int hghsel; /* Highest selected msg number */
int numsel; /* Number of msgs selected */
char *foldpath; /* Pathname of folder */
char msgflags; /* Folder status bits */
#ifndef MTR
char pad1[sizeof (int) - sizeof (char)];
#endif not MTR
#define READONLY 0x01 /* No write access to folder */
#define SEQMOD 0x02 /* folder's sequences modifed */
#define MHPATH 0x04 /* mhpath-style folder handling */
#define OTHERS 0x08 /* folder has other files */
#define MODIFIED 0x10 /* msh in-core folder modified */
#define FBITS "\020\01READONLY\02SEQMOD\03MHPATH\04OTHERS\05MODIFIED"
/* Note well: msgstats[] is a short, so we have 16 bits to work
with. The first 5 are for standard MH message flags,
this leaves us 11 for user-defined attributes. Of these,
1 is reserved for future internal use, so this leaves
users 10. */
#define NATTRS 10 /* could be 11, see above */
char *msgattrs[NATTRS + 1];/* folder attributes */
short attrstats; /* public=0/private=1 */
#ifndef MTR
char pad2[sizeof (int) - sizeof (short)];
#endif not MTR
int lowoff; /* low element in msgstats[] */
int hghoff; /* hgh element in msgstats[] */
#ifndef MTR
short msgstats[1]; /* msg status */
#else MTR
short *msgbase; /* msg base */
short *msgstats; /* msg status */
#endif MTR
#define EXISTS 0x0001 /* exists */
#define DELETED 0x0002 /* deleted */
#define SELECTED 0x0004 /* selected for use */
#define SELECT_EMPTY 0x0008 /* mhpath "new" */
#define UNSEEN 0x0010 /* inc/show "unseen" */
#define FFATTRSLOT 5 /* user-defined attributes */
/* first free slot is */
/* (1 << 5) or 0x20 */
#define MBITS "\020\01EXISTS\02DELETED\03SELECTED\04NEW\05UNSEEN"
#ifndef MTR
#define MSIZE(mp,lo,hi) \
((unsigned) (sizeof *mp + ((hi) + 2) * sizeof *mp -> msgstats))
#else MTR
#define MSIZE(mp,lo,hi) ((unsigned) sizeof *mp)
#define MSIZEX(mp,lo,hi) \
((unsigned) (((hi) - (lo) + 1) * sizeof *mp -> msgstats))
#endif MTR
};
#define NULLMP ((struct msgs *) 0)
/* */
/* m_getfld() message parsing */
#define NAMESZ 128 /* Limit on component name size */
#define LENERR (-2) /* Name too long error from getfld */
#define FMTERR (-3) /* Message Format error */
#define FLD 0 /* Field returned */
#define FLDPLUS 1 /* Field " with more to come */
#define FLDEOF 2 /* Field " ending at eom */
#define BODY 3 /* Body " with more to come */
#define BODYEOF 4 /* Body " ending at eom */
#define FILEEOF 5 /* Reached end of input file */
/* Maildrop styles */
#define MS_DEFAULT 0 /* default (one msg per file) */
#define MS_UNKNOWN 1 /* type not known yet */
#define MS_UUCP 2 /* Unix-style "from" lines */
#define MS_MMDF 3 /* string mmdlm2 */
#define MS_MSH 4 /* whacko msh */
extern int msg_count; /* m_getfld() indicators */
extern int msg_style; /* .. */
extern char *msg_delim; /* .. */
#define NOUSE 0 /* draft being re-used */
#define TFOLDER 0 /* path() given a +folder */
#define TFILE 1 /* path() given a file */
#define TSUBCWF 2 /* path() given a @folder */
#ifndef LINK
#define LINK "@"
#endif not LINK
#ifndef SBACKUP
#define SBACKUP ","
#endif not SBACKUP
#define OUTPUTLINELEN 72 /* default line length for headers */
/* */
/*
* These standard strings are defined in config.c. They are the
* only system-dependent parameters in MH, and thus by redefining
* their values and reloading the various modules, MH will run
* on any system.
*/
extern char *components;
extern char *context;
extern char *current;
extern char *defalt;
extern char *digestcomps;
extern char *distcomps;
extern char *draft;
extern char *fileproc;
extern char *foldprot;
extern char *forwcomps;
extern char *incproc;
extern char *installproc;
extern char *lproc;
extern char *mailproc;
extern char *mh_defaults;
extern char *mh_profile;
extern char *mh_seq;
extern char *mhlformat;
extern char *mhlforward;
extern char *mhlproc;
extern char *moreproc;
extern char *msgprot;
extern char *mshproc;
extern char *nsequence;
extern char *packproc;
extern char *postproc;
extern char *pfolder;
extern char *psequence;
extern char *rcvdistcomps;
extern char *replcomps;
extern char *rmfproc;
extern char *rmmproc;
extern char *sendproc;
extern char *showproc;
extern char *slocalproc;
extern char *sysed;
extern char *usequence;
extern char *version;
extern char *vmhproc;
extern char *whatnowproc;
extern char *whomproc;
/* */
/* global variables -sigh- */
extern char ctxflags;
#define CTXMOD 0x01 /* context information modified */
#define DBITS "\020\01CTXMOD"
#ifdef OVERHEAD
extern int fd_def;
extern int fd_ctx;
#endif OVERHEAD
extern char *invo_name; /* pgm invocation name */
extern char *mypath; /* user's $HOME */
extern char *defpath; /* pathname of user's profile */
extern char *ctxpath; /* pathname of user's context */
extern struct node *m_defs;
/* */
/* from the MH subroutine library */
char *add ();
void adios ();
void admonish ();
void advise ();
void advertise ();
void ambigsw ();
int atooi ();
char **brkstring ();
void closefds ();
char *concat ();
char *copy ();
char **copyip ();
void cpydata ();
void cpydgst ();
void discard ();
void done ();
int fdcompare ();
int gans ();
char **getans ();
int getanswer ();
char *getcpy ();
void help ();
char *libpath ();
int m_atoi ();
char *m_backup ();
int m_convert ();
int m_delete ();
char *m_draft ();
void m_eomsbr ();
int m_file ();
char *m_find ();
void m_fmsg ();
void m_foil ();
void m_getdefs ();
int m_getfld ();
char *m_getfolder ();
int m_gmprot ();
struct msgs *m_gmsg ();
char *m_maildir ();
char *m_mailpath ();
char *m_name ();
void m_readefs ();
struct msgs *m_remsg ();
void m_replace ();
char *m_scratch ();
char *m_seq ();
int m_seqadd ();
char *m_seqbits ();
int m_seqdel ();
int m_seqflag ();
int m_seqnew ();
void m_setcur ();
void m_setseq ();
void m_setvis ();
void m_sync ();
char *m_tmpfil ();
void m_unknown ();
void m_update ();
int m_whatnow ();
int makedir ();
char *path ();
int peekc ();
int pidwait ();
#define pidXwait(id,cp) pidstatus (pidwait (id, NOTOK), stdout, cp)
int pidstatus ();
void printsw ();
void push ();
int putenv ();
char *pwd ();
char *r1bindex ();
int refile ();
int remdir ();
int showfile ();
int smatch ();
char *sprintb();
int ssequal ();
int stringdex ();
char *trimcpy ();
int type ();
int uleq ();
int unputenv ();
int uprf ();
int vfgets ();
/* */
#include "../h/strings.h"
/* should be in <stdio.h> */
#ifndef SYS5
typedef struct _iobuf *FP;
FP popen ();
#else SYS5
#define FP FILE*
#endif SYS5
/* miscellaneous */
#ifndef BSD42
#define rename(f1,f2) (link (f1, f2) != NOTOK ? unlink (f1) : NOTOK)
#endif BSD42
#define setsig(s,f) if (signal (s, SIG_IGN) != SIG_IGN) \
(void) signal (s, f)
#define setsigx(i,s,f) if ((i = signal (s, SIG_IGN)) != SIG_IGN) \
(void) signal (s, f)
#ifdef sun
#define ruserpass _ruserpass
#endif sun