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

   1
   2 /*
   3  * rmm.c -- remove a message(s)
   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
  14 /*
  15  * We allocate space for message names and ranges
  16  * (msgs array) this number of elements at a time.
  17  */
  18 #define MAXMSGS  256
  19
  20 static struct swit switches[] = {
  21 #define UNLINKSW      0
  22     { "unlink", 0 },
  23 #define NUNLINKSW    1
  24     { "nounlink", 0 },
  25 #define VERSIONSW     2
  26     { "version", 0 },
  27 #define HELPSW        3
  28     { "help", 0 },
  29     { NULL, 0 }
  30 };
  31
  32
  33 int
  34 main (int argc, char **argv)
  35 {
  36     int nummsgs, maxmsgs, msgnum, unlink_msgs = 0;
  37     char *cp, *maildir, *folder = NULL;
  38     char buf[BUFSIZ], **argp;
  39     char **arguments, **msgs;
  40     struct msgs *mp;
  41
  42 #ifdef LOCALE
  43     setlocale(LC_ALL, "");
  44 #endif
  45     invo_name = r1bindex (argv[0], '/');
  46
  47     /* read user profile/context */
  48     context_read();
  49
  50     arguments = getarguments (invo_name, argc, argv, 1);
  51     argp = arguments;
  52
  53     /*
  54      * Allocate the initial space to record message
  55      * names and ranges.
  56      */
  57     nummsgs = 0;
  58     maxmsgs = MAXMSGS;
  59     if (!(msgs = (char **) malloc ((size_t) (maxmsgs * sizeof(*msgs)))))
  60         adios (NULL, "unable to allocate storage");
  61
  62     /* parse arguments */
  63     while ((cp = *argp++)) {
  64         if (*cp == '-') {
  65             switch (smatch (++cp, switches)) {
  66             case AMBIGSW:
  67                 ambigsw (cp, switches);
  68                 done (1);
  69             case UNKWNSW:
  70                 adios (NULL, "-%s unknown\n", cp);
  71
  72             case HELPSW:
  73                 snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
  74                           invo_name);
  75                 print_help (buf, switches, 1);
  76                 done (1);
  77             case VERSIONSW:
  78                 print_version(invo_name);
  79                 done (1);
  80
  81             case UNLINKSW:
  82                 unlink_msgs++;
  83                 continue;
  84             case NUNLINKSW:
  85                 unlink_msgs = 0;
  86                 continue;
  87             }
  88         }
  89         if (*cp == '+' || *cp == '@') {
  90             if (folder)
  91                 adios (NULL, "only one folder at a time!");
  92             else
  93                 folder = path (cp + 1, *cp == '+' ? TFOLDER : TSUBCWF);
  94         } else {
  95             /*
  96              * Check if we need to allocate more space
  97              * for message names/ranges.
  98              */
  99             if (nummsgs >= maxmsgs){
 100                 maxmsgs += MAXMSGS;
 101                 if (!(msgs = (char **) realloc (msgs,
 102                              (size_t) (maxmsgs * sizeof(*msgs)))))
 103                     adios (NULL, "unable to reallocate msgs storage");
 104             }
 105             msgs[nummsgs++] = cp;
 106         }
 107     }
 108
 109     if (!context_find ("path"))
 110         free (path ("./", TFOLDER));
 111     if (!nummsgs)
 112         msgs[nummsgs++] = "cur";
 113     if (!folder)
 114         folder = getfolder (1);
 115     maildir = m_maildir (folder);
 116
 117     if (chdir (maildir) == NOTOK)
 118         adios (maildir, "unable to change directory to");
 119
 120     /* read folder and create message structure */
 121     if (!(mp = folder_read (folder)))
 122         adios (NULL, "unable to read folder %s", folder);
 123
 124     /* check for empty folder */
 125     if (mp->nummsg == 0)
 126         adios (NULL, "no messages in %s", folder);
 127
 128     /* parse all the message ranges/sequences and set SELECTED */
 129     for (msgnum = 0; msgnum < nummsgs; msgnum++)
 130         if (!m_convert (mp, msgs[msgnum]))
 131             done (1);
 132     seq_setprev (mp);           /* set the previous-sequence      */
 133
 134     /*
 135      * This is hackish.  If we are using a external rmmproc,
 136      * then we need to update the current folder in the
 137      * context so the external rmmproc will remove files
 138      * from the correct directory.  This should be moved to
 139      * folder_delmsgs().
 140      */
 141     if (rmmproc) {
 142         context_replace (pfolder, folder);
 143         context_save ();
 144         fflush (stdout);
 145     }
 146
 147     /* "remove" the SELECTED messages */
 148     folder_delmsgs (mp, unlink_msgs, 0);
 149
 150     seq_save (mp);              /* synchronize message sequences  */
 151     context_replace (pfolder, folder);  /* update current folder   */
 152     context_save ();                    /* save the context file   */
 153     folder_free (mp);                   /* free folder structure   */
 154     return done (0);
 155 }