diplodocus.org Git - nmh/blob - sbr/m_draft.c

   1
   2 /*
   3  * m_draft.c -- construct the name of a draft message
   4  *
   5  * $Id$
   6  */
   7
   8 #include <h/mh.h>
   9 #include <errno.h>
  10
  11 extern int errno;
  12
  13
  14 char *
  15 m_draft (char *folder, char *msg, int use, int *isdf)
  16 {
  17     register char *cp;
  18     register struct msgs *mp;
  19     struct stat st;
  20     static char buffer[BUFSIZ];
  21
  22     if (*isdf == -1 || folder == NULL || *folder == '\0') {
  23         if (*isdf == -1 || (cp = context_find ("Draft-Folder")) == NULL) {
  24             *isdf = 0;
  25             return m_maildir (msg && *msg ? msg : draft);
  26         } else {
  27             folder = path (*cp == '+' || *cp == '@' ? cp + 1 : cp,
  28                     *cp != '@' ? TFOLDER : TSUBCWF);
  29         }
  30     }
  31     *isdf = 1;
  32
  33     chdir (m_maildir (""));
  34     strncpy (buffer, m_maildir (folder), sizeof(buffer));
  35     if (stat (buffer, &st) == -1) {
  36         if (errno != ENOENT)
  37             adios (buffer, "error on folder");
  38         cp = concat ("Create folder \"", buffer, "\"? ", NULL);
  39         if (!getanswer (cp))
  40             done (0);
  41         free (cp);
  42         if (!makedir (buffer))
  43             adios (NULL, "unable to create folder %s", buffer);
  44     }
  45
  46     if (chdir (buffer) == -1)
  47         adios (buffer, "unable to change directory to");
  48
  49     if (!(mp = folder_read (folder)))
  50         adios (NULL, "unable to read folder %s", folder);
  51
  52     /*
  53      * Make sure we have enough message status space for all
  54      * the message numbers from 1 to "new", since we might
  55      * select an empty slot.  If we add more space at the
  56      * end, go ahead and add 10 additional slots.
  57      */
  58     if (mp->hghmsg >= mp->hghoff) {
  59         if (!(mp = folder_realloc (mp, 1, mp->hghmsg + 10)))
  60             adios (NULL, "unable to allocate folder storage");
  61     } else if (mp->lowoff > 1) {
  62         if (!(mp = folder_realloc (mp, 1, mp->hghoff)))
  63             adios (NULL, "unable to allocate folder storage");
  64     }
  65
  66     mp->msgflags |= ALLOW_NEW;  /* allow the "new" sequence */
  67
  68     /*
  69      * If we have been give a valid message name, then use that.
  70      * Else, if we are given the "use" option, then use the
  71      * current message.  Else, use special sequence "new".
  72      */
  73     if (!m_convert (mp, msg && *msg ? msg : use ? "cur" : "new"))
  74         done (1);
  75     seq_setprev (mp);
  76
  77     if (mp->numsel > 1)
  78         adios (NULL, "only one message draft at a time!");
  79
  80     snprintf (buffer, sizeof(buffer), "%s/%s", mp->foldpath, m_name (mp->lowsel));
  81     cp = buffer;
  82
  83     seq_setcur (mp, mp->lowsel);/* set current message for folder */
  84     seq_save (mp);              /* synchronize message sequences  */
  85     folder_free (mp);           /* free folder/message structure  */
  86
  87     return cp;
  88 }