diplodocus.org Git - nmh/blob - uip/rmm.c

   1
   2 /*
   3  * rmm.c -- remove a message(s)
   4  *
   5  * $Id$
   6  */
   7
   8 #include <h/mh.h>
   9
  10 /*
  11  * We allocate space for message names and ranges
  12  * (msgs array) this number of elements at a time.
  13  */
  14 #define MAXMSGS  256
  15
  16 static struct swit switches[] = {
  17 #define UNLINKSW      0
  18     { "unlink", 0 },
  19 #define NUNLINKSW    1
  20     { "nounlink", 0 },
  21 #define VERSIONSW     2
  22     { "version", 0 },
  23 #define HELPSW        3
  24     { "help", 0 },
  25     { NULL, 0 }
  26 };
  27
  28
  29 int
  30 main (int argc, char **argv)
  31 {
  32     int nummsgs, maxmsgs, msgnum, unlink_msgs = 0;
  33     char *cp, *maildir, *folder = NULL;
  34     char buf[BUFSIZ], **argp;
  35     char **arguments, **msgs;
  36     struct msgs *mp;
  37
  38 #ifdef LOCALE
  39     setlocale(LC_ALL, "");
  40 #endif
  41     invo_name = r1bindex (argv[0], '/');
  42
  43     /* read user profile/context */
  44     context_read();
  45
  46     arguments = getarguments (invo_name, argc, argv, 1);
  47     argp = arguments;
  48
  49     /*
  50      * Allocate the initial space to record message
  51      * names and ranges.
  52      */
  53     nummsgs = 0;
  54     maxmsgs = MAXMSGS;
  55     if (!(msgs = (char **) malloc ((size_t) (maxmsgs * sizeof(*msgs)))))
  56         adios (NULL, "unable to allocate storage");
  57
  58     /* parse arguments */
  59     while ((cp = *argp++)) {
  60         if (*cp == '-') {
  61             switch (smatch (++cp, switches)) {
  62             case AMBIGSW:
  63                 ambigsw (cp, switches);
  64                 done (1);
  65             case UNKWNSW:
  66                 adios (NULL, "-%s unknown\n", cp);
  67
  68             case HELPSW:
  69                 snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
  70                           invo_name);
  71                 print_help (buf, switches, 1);
  72                 done (1);
  73             case VERSIONSW:
  74                 print_version(invo_name);
  75                 done (1);
  76
  77             case UNLINKSW:
  78                 unlink_msgs++;
  79                 continue;
  80             case NUNLINKSW:
  81                 unlink_msgs = 0;
  82                 continue;
  83             }
  84         }
  85         if (*cp == '+' || *cp == '@') {
  86             if (folder)
  87                 adios (NULL, "only one folder at a time!");
  88             else
  89                 folder = path (cp + 1, *cp == '+' ? TFOLDER : TSUBCWF);
  90         } else {
  91             /*
  92              * Check if we need to allocate more space
  93              * for message names/ranges.
  94              */
  95             if (nummsgs >= maxmsgs){
  96                 maxmsgs += MAXMSGS;
  97                 if (!(msgs = (char **) realloc (msgs,
  98                              (size_t) (maxmsgs * sizeof(*msgs)))))
  99                     adios (NULL, "unable to reallocate msgs storage");
 100             }
 101             msgs[nummsgs++] = cp;
 102         }
 103     }
 104
 105     if (!context_find ("path"))
 106         free (path ("./", TFOLDER));
 107     if (!nummsgs)
 108         msgs[nummsgs++] = "cur";
 109     if (!folder)
 110         folder = getfolder (1);
 111     maildir = m_maildir (folder);
 112
 113     if (chdir (maildir) == NOTOK)
 114         adios (maildir, "unable to change directory to");
 115
 116     /* read folder and create message structure */
 117     if (!(mp = folder_read (folder)))
 118         adios (NULL, "unable to read folder %s", folder);
 119
 120     /* check for empty folder */
 121     if (mp->nummsg == 0)
 122         adios (NULL, "no messages in %s", folder);
 123
 124     /* parse all the message ranges/sequences and set SELECTED */
 125     for (msgnum = 0; msgnum < nummsgs; msgnum++)
 126         if (!m_convert (mp, msgs[msgnum]))
 127             done (1);
 128     seq_setprev (mp);           /* set the previous-sequence      */
 129
 130     /*
 131      * This is hackish.  If we are using a external rmmproc,
 132      * then we need to update the current folder in the
 133      * context so the external rmmproc will remove files
 134      * from the correct directory.  This should be moved to
 135      * folder_delmsgs().
 136      */
 137     if (rmmproc) {
 138         context_replace (pfolder, folder);
 139         context_save ();
 140         fflush (stdout);
 141     }
 142
 143     /* "remove" the SELECTED messages */
 144     folder_delmsgs (mp, unlink_msgs);
 145
 146     seq_save (mp);              /* synchronize message sequences  */
 147     context_replace (pfolder, folder);  /* update current folder   */
 148     context_save ();                    /* save the context file   */
 149     folder_free (mp);                   /* free folder structure   */
 150     return done (0);
 151 }