diplodocus.org Git - nmh/blob - h/msh.h

   1
   2 /*
   3  * msh.h -- definitions for msh
   4  *
   5  * $Id$
   6  */
   7
   8 /* flags for stream */
   9 #define STDIO   0               /* regular stdoutput */
  10 #define CRTIO   1               /* create  re-direct */
  11 #define APPIO   2               /* append  re-direct */
  12 #define PIPIO   3               /* pipe    re-direct */
  13
  14 struct Cmd {
  15     char line[BUFSIZ];
  16     char *args[MAXARGS];
  17     char *redirect;
  18     int direction;
  19     FILE *stream;
  20 };
  21
  22 #define NULLCMD ((struct Cmd *) 0)
  23
  24 #define MHNCHK 0x0001   /* did nontext check           */
  25 #define MHNYES 0x0002   /* .. and known to be non-text */
  26
  27 #define CUR (1 << (FFATTRSLOT + NUMATTRS - 1))
  28
  29 #ifdef BPOP
  30 # define VIRTUAL SELECT_EMPTY
  31
  32 # define is_virtual(mp,msgnum)    ((mp)->msgstats[msgnum] & VIRTUAL)
  33 # define unset_virtual(mp,msgnum) ((mp)->msgstats[msgnum] &= ~VIRTUAL)
  34 # define set_virtual(mp,msgnum)   ((mp)->msgstats[msgnum] |= VIRTUAL)
  35 #endif
  36
  37 struct Msg {
  38     struct drop m_drop;
  39     char *m_scanl;
  40     struct tws m_tb;
  41     short m_flags;
  42     seqset_t m_stats;
  43 };
  44
  45 #define m_bboard_id  m_drop.d_id
  46 #define m_top        m_drop.d_size
  47 #define m_start      m_drop.d_start
  48 #define m_stop       m_drop.d_stop
  49
  50 /*
  51  * FOLDER
  52  */
  53 extern char *fmsh;              /* folder instead of file  */
  54 extern int modified;            /* command modified folder */
  55 extern struct msgs *mp;         /* used a lot              */
  56 extern struct Msg *Msgs;        /* Msgs[0] not used        */
  57
  58 FILE *msh_ready ();
  59
  60 /*
  61  * COMMAND
  62  */
  63 extern int interactive;         /* running from a /dev/tty */
  64 extern int redirected;          /* re-directing output     */
  65 extern FILE *sp;                /* original stdout         */
  66 extern char *cmd_name;          /* command being run       */
  67 extern char myfilter[];         /* path to mhl.forward     */
  68
  69 extern char *BBoard_ID;         /* BBoard-ID constant */
  70
  71 /*
  72  * SIGNALS
  73  */
  74 extern SIGNAL_HANDLER istat;    /* original SIGINT  */
  75 extern SIGNAL_HANDLER qstat;    /* original SIGQUIT */
  76 extern int interrupted;         /* SIGINT detected  */
  77 extern int broken_pipe;         /* SIGPIPE detected */
  78 extern int told_to_quit;        /* SIGQUIT detected */
  79
  80 #ifdef BSD42
  81 extern int should_intr;         /* signal handler should interrupt call */
  82 extern jmp_buf sigenv;          /* the environment pointer */
  83 #endif
  84
  85 /*
  86  * prototypes
  87  */
  88 int readid (int);
  89 int expand (char *);
  90 void m_reset (void);
  91 void fsetup (char *);
  92 void setup (char *);
  93 void readids (int);
  94 void display_info (int);
  95
  96 void forkcmd (char **s, char *);
  97 void distcmd (char **);
  98 void explcmd (char **);
  99 int filehak (char **);
 100 void filecmd (char **);
 101 void foldcmd (char **);
 102 void forwcmd (char **);
 103 void helpcmd (char **);
 104 void markcmd (char **);
 105 void mhncmd (char **);
 106 void showcmd (char **);
 107 int pack (char *, int, int);
 108 int packhak (char **);
 109 void packcmd (char **);
 110 void pickcmd (char **);
 111 void replcmd (char **);
 112 void rmmcmd (char **);
 113 void scancmd (char **);
 114 void sortcmd (char **);