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

   1
   2 /*
   3  * packf.c -- pack a nmh folder into a file
   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 <fcntl.h>
  14 #include <h/dropsbr.h>
  15 #include <h/utils.h>
  16 #include <errno.h>
  17
  18 static struct swit switches[] = {
  19 #define FILESW         0
  20     { "file name", 0 },
  21 #define MBOXSW         1
  22     { "mbox", 0 },
  23 #define MMDFSW         2
  24     { "mmdf", 0 },
  25 #define VERSIONSW      3
  26     { "version", 0 },
  27 #define HELPSW         4
  28     { "help", 0 },
  29     { NULL, 0 }
  30 };
  31
  32 static int md = NOTOK;
  33 static int mbx_style = MBOX_FORMAT;
  34 static int mapping = 0;
  35
  36 static void mbxclose_done(int);
  37
  38 char *file = NULL;
  39
  40
  41 int
  42 main (int argc, char **argv)
  43 {
  44     int fd, msgnum;
  45     char *cp, *maildir, *msgnam, *folder = NULL, buf[BUFSIZ];
  46     char **argp, **arguments;
  47     struct msgs_array msgs = { 0, 0, NULL };
  48     struct msgs *mp;
  49     struct stat st;
  50
  51     done=mbxclose_done;
  52
  53 #ifdef LOCALE
  54     setlocale(LC_ALL, "");
  55 #endif
  56     invo_name = r1bindex (argv[0], '/');
  57
  58     /* read user profile/context */
  59     context_read();
  60
  61     arguments = getarguments (invo_name, argc, argv, 1);
  62     argp = arguments;
  63
  64     /*
  65      * Parse arguments
  66      */
  67     while ((cp = *argp++)) {
  68         if (*cp == '-') {
  69             switch (smatch (++cp, switches)) {
  70                 case AMBIGSW:
  71                     ambigsw (cp, switches);
  72                     done (1);
  73                 case UNKWNSW:
  74                     adios (NULL, "-%s unknown", cp);
  75
  76                 case HELPSW:
  77                     snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
  78                         invo_name);
  79                     print_help (buf, switches, 1);
  80                     done (1);
  81                 case VERSIONSW:
  82                     print_version(invo_name);
  83                     done (1);
  84
  85                 case FILESW:
  86                     if (file)
  87                         adios (NULL, "only one file at a time!");
  88                     if (!(file = *argp++) || *file == '-')
  89                         adios (NULL, "missing argument to %s", argp[-2]);
  90                     continue;
  91
  92                 case MBOXSW:
  93                     mbx_style = MBOX_FORMAT;
  94                     mapping = 0;
  95                     continue;
  96                 case MMDFSW:
  97                     mbx_style = MMDF_FORMAT;
  98                     mapping = 1;
  99                     continue;
 100             }
 101         }
 102         if (*cp == '+' || *cp == '@') {
 103             if (folder)
 104                 adios (NULL, "only one folder at a time!");
 105             folder = pluspath (cp);
 106         } else
 107                 app_msgarg(&msgs, cp);
 108     }
 109
 110     if (!file)
 111         file = "./msgbox";
 112     file = path (file, TFILE);
 113
 114     /*
 115      * Check if file to be created (or appended to)
 116      * exists.  If not, ask for confirmation.
 117      */
 118     if (stat (file, &st) == NOTOK) {
 119         if (errno != ENOENT)
 120             adios (file, "error on file");
 121         cp = concat ("Create file \"", file, "\"? ", NULL);
 122         if (!getanswer (cp))
 123             done (1);
 124         free (cp);
 125     }
 126
 127     if (!context_find ("path"))
 128         free (path ("./", TFOLDER));
 129
 130     /* default is to pack whole folder */
 131     if (!msgs.size)
 132         app_msgarg(&msgs, "all");
 133
 134     if (!folder)
 135         folder = getfolder (1);
 136     maildir = m_maildir (folder);
 137
 138     if (chdir (maildir) == NOTOK)
 139         adios (maildir, "unable to change directory to ");
 140
 141     /* read folder and create message structure */
 142     if (!(mp = folder_read (folder)))
 143         adios (NULL, "unable to read folder %s", folder);
 144
 145     /* check for empty folder */
 146     if (mp->nummsg == 0)
 147         adios (NULL, "no messages in %s", folder);
 148
 149     /* parse all the message ranges/sequences and set SELECTED */
 150     for (msgnum = 0; msgnum < msgs.size; msgnum++)
 151         if (!m_convert (mp, msgs.msgs[msgnum]))
 152             done (1);
 153     seq_setprev (mp);   /* set the previous-sequence */
 154
 155     /* open and lock new maildrop file */
 156     if ((md = mbx_open(file, mbx_style, getuid(), getgid(), m_gmprot())) == NOTOK)
 157         adios (file, "unable to open");
 158
 159     /* copy all the SELECTED messages to the file */
 160     for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++)
 161         if (is_selected(mp, msgnum)) {
 162             if ((fd = open (msgnam = m_name (msgnum), O_RDONLY)) == NOTOK) {
 163                 admonish (msgnam, "unable to read message");
 164                 break;
 165             }
 166
 167             if (mbx_copy (file, mbx_style, md, fd, mapping, NULL, 1) == NOTOK)
 168                 adios (file, "error writing to file");
 169
 170             close (fd);
 171         }
 172
 173     /* close and unlock maildrop file */
 174     mbx_close (file, md);
 175
 176     context_replace (pfolder, folder);  /* update current folder         */
 177     if (mp->hghsel != mp->curmsg)
 178         seq_setcur (mp, mp->lowsel);
 179     seq_save (mp);
 180     context_save ();                    /* save the context file         */
 181     folder_free (mp);                   /* free folder/message structure */
 182     done (0);
 183     return 1;
 184 }
 185
 186 static void
 187 mbxclose_done (int status)
 188 {
 189     mbx_close (file, md);
 190     exit (status);
 191 }