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  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   8  * COPYRIGHT file in the root directory of the nmh distribution for
   9  * complete copyright information.
  10  */
  11
  12 #include <h/mh.h>
  13 #include <h/utils.h>
  14 #include <errno.h>
  15
  16
  17 char *
  18 m_draft (char *folder, char *msg, int use, int *isdf)
  19 {
  20     register char *cp;
  21     register struct msgs *mp;
  22     static char buffer[BUFSIZ];
  23
  24     if (*isdf == -1 || folder == NULL || *folder == '\0') {
  25         if (*isdf == -1 || (cp = context_find ("Draft-Folder")) == NULL) {
  26             *isdf = 0;
  27             return m_maildir (msg && *msg ? msg : draft);
  28         } else {
  29             folder = path (*cp == '+' || *cp == '@' ? cp + 1 : cp,
  30                     *cp != '@' ? TFOLDER : TSUBCWF);
  31         }
  32     }
  33     *isdf = 1;
  34
  35     chdir (m_maildir (""));
  36     strncpy (buffer, m_maildir (folder), sizeof(buffer));
  37
  38     create_folder (buffer, 0, done);
  39
  40     if (chdir (buffer) == -1)
  41         adios (buffer, "unable to change directory to");
  42
  43     if (!(mp = folder_read (folder)))
  44         adios (NULL, "unable to read folder %s", folder);
  45
  46     /*
  47      * Make sure we have enough message status space for all
  48      * the message numbers from 1 to "new", since we might
  49      * select an empty slot.  If we add more space at the
  50      * end, go ahead and add 10 additional slots.
  51      */
  52     if (mp->hghmsg >= mp->hghoff) {
  53         if (!(mp = folder_realloc (mp, 1, mp->hghmsg + 10)))
  54             adios (NULL, "unable to allocate folder storage");
  55     } else if (mp->lowoff > 1) {
  56         if (!(mp = folder_realloc (mp, 1, mp->hghoff)))
  57             adios (NULL, "unable to allocate folder storage");
  58     }
  59
  60     mp->msgflags |= ALLOW_NEW;  /* allow the "new" sequence */
  61
  62     /*
  63      * If we have been give a valid message name, then use that.
  64      * Else, if we are given the "use" option, then use the
  65      * current message.  Else, use special sequence "new".
  66      */
  67     if (!m_convert (mp, msg && *msg ? msg : use ? "cur" : "new"))
  68         done (1);
  69     seq_setprev (mp);
  70
  71     if (mp->numsel > 1)
  72         adios (NULL, "only one message draft at a time!");
  73
  74     snprintf (buffer, sizeof(buffer), "%s/%s", mp->foldpath, m_name (mp->lowsel));
  75     cp = buffer;
  76
  77     seq_setcur (mp, mp->lowsel);/* set current message for folder */
  78     seq_save (mp);              /* synchronize message sequences  */
  79     folder_free (mp);           /* free folder/message structure  */
  80
  81     return cp;
  82 }