diplodocus.org Git - nmh/blob - docs/historical/mh-6.8.5/uip/whatnowproc.c

   1 /* whatnowproc.c - exec whatnowproc */
   2 #ifndef lint
   3 static char ident[] = "@(#)$Id: whatnowproc.c,v 1.4 1992/12/15 00:20:22 jromine Exp $";
   4 #endif  /* lint */
   5
   6 #include "../h/mh.h"
   7 #include <stdio.h>
   8
   9 what_now (ed, nedit, use, file, altmsg, dist, mp, text, inplace, cwd)
  10 struct msgs *mp;
  11 char  *ed,
  12        *file,
  13        *altmsg,
  14        *text,
  15        *cwd;
  16 int     nedit,
  17         use,
  18         dist,
  19         inplace;
  20 {
  21     int     found,
  22             k,
  23             msgnum,
  24             vecp;
  25     register char  *bp;
  26     char    buffer[BUFSIZ],
  27            *vec[MAXARGS];
  28
  29     vecp = 0;
  30     vec[vecp++] = r1bindex (whatnowproc, '/');
  31     vec[vecp] = NULL;
  32
  33     (void) m_putenv ("mhdraft", file);
  34     if (mp)
  35         (void) m_putenv ("mhfolder", mp -> foldpath);
  36     else
  37         (void) unputenv ("mhfolder");
  38     if (altmsg)
  39         if (mp == NULL || *altmsg == '/' || cwd == NULL)
  40             (void) m_putenv ("mhaltmsg", altmsg);
  41         else {
  42             (void) sprintf (buffer, "%s/%s", mp -> foldpath, altmsg);
  43             (void) m_putenv ("mhaltmsg", buffer);
  44         }
  45     else
  46         (void) unputenv ("mhaltmsg");
  47     if (bp = getenv ("mhaltmsg"))/* XXX */
  48         (void) m_putenv ("editalt", bp);
  49     (void) sprintf (buffer, "%d", dist);
  50     (void) m_putenv ("mhdist", buffer);
  51     if (nedit)
  52         (void) unputenv ("mheditor");
  53     else
  54         (void) m_putenv ("mheditor", ed ? ed : (ed = m_find ("editor")) ? ed : sysed);
  55     (void) sprintf (buffer, "%d", use);
  56     (void) m_putenv ("mhuse", buffer);
  57
  58     (void) unputenv ("mhmessages");
  59     (void) unputenv ("mhannotate");
  60     (void) unputenv ("mhinplace");
  61     if (text && mp && !(mp -> msgflags & READONLY)) {
  62         found = 0;
  63         bp = buffer;
  64         for (msgnum = mp -> lowmsg; msgnum <= mp -> hghmsg; msgnum++)
  65             if (mp -> msgstats[msgnum] & SELECTED) {
  66                 (void) sprintf (bp, "%s%s", found ? " " : "", m_name (msgnum));
  67                 bp += strlen (bp);
  68                 for (k = msgnum + 1;
  69                         k <= mp -> hghmsg && mp -> msgstats[k] & SELECTED;
  70                         k++)
  71                     continue;
  72                 if (--k > msgnum) {
  73                     (void) sprintf (bp, "-%s", m_name (k));
  74                     bp += strlen (bp);
  75                 }
  76                 msgnum = k + 1;
  77                 found++;
  78             }
  79         if (found) {
  80             (void) m_putenv ("mhmessages", buffer);
  81             (void) m_putenv ("mhannotate", text);
  82             (void) sprintf (buffer, "%d", inplace);
  83             (void) m_putenv ("mhinplace", buffer);
  84         }
  85     }
  86
  87     m_update ();
  88     (void) fflush (stdout);
  89
  90     if (cwd)
  91         (void) chdir (cwd);
  92
  93     if (strcmp (vec[0], "whatnow") == 0) {
  94         WhatNow (vecp, vec);
  95         done (0);
  96     }
  97
  98     execvp (whatnowproc, vec);
  99     fprintf (stderr, "unable to exec ");
 100     perror (whatnowproc);
 101
 102     return 0;
 103 }