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 char *file = NULL;
  37
  38
  39 int
  40 main (int argc, char **argv)
  41 {
  42     int fd, msgnum;
  43     char *cp, *maildir, *msgnam, *folder = NULL, buf[BUFSIZ];
  44     char **argp, **arguments;
  45     struct msgs_array msgs = { 0, 0, NULL };
  46     struct msgs *mp;
  47     struct stat st;
  48
  49 #ifdef LOCALE
  50     setlocale(LC_ALL, "");
  51 #endif
  52     invo_name = r1bindex (argv[0], '/');
  53
  54     /* read user profile/context */
  55     context_read();
  56
  57     arguments = getarguments (invo_name, argc, argv, 1);
  58     argp = arguments;
  59
  60     /*
  61      * Parse arguments
  62      */
  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", 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 FILESW:
  82                     if (file)
  83                         adios (NULL, "only one file at a time!");
  84                     if (!(file = *argp++) || *file == '-')
  85                         adios (NULL, "missing argument to %s", argp[-2]);
  86                     continue;
  87
  88                 case MBOXSW:
  89                     mbx_style = MBOX_FORMAT;
  90                     mapping = 0;
  91                     continue;
  92                 case MMDFSW:
  93                     mbx_style = MMDF_FORMAT;
  94                     mapping = 1;
  95                     continue;
  96             }
  97         }
  98         if (*cp == '+' || *cp == '@') {
  99             if (folder)
 100                 adios (NULL, "only one folder at a time!");
 101             folder = pluspath (cp);
 102         } else
 103                 app_msgarg(&msgs, cp);
 104     }
 105
 106     if (!file)
 107         file = "./msgbox";
 108     file = path (file, TFILE);
 109
 110     /*
 111      * Check if file to be created (or appended to)
 112      * exists.  If not, ask for confirmation.
 113      */
 114     if (stat (file, &st) == NOTOK) {
 115         if (errno != ENOENT)
 116             adios (file, "error on file");
 117         cp = concat ("Create file \"", file, "\"? ", NULL);
 118         if (!getanswer (cp))
 119             done (1);
 120         free (cp);
 121     }
 122
 123     if (!context_find ("path"))
 124         free (path ("./", TFOLDER));
 125
 126     /* default is to pack whole folder */
 127     if (!msgs.size)
 128         app_msgarg(&msgs, "all");
 129
 130     if (!folder)
 131         folder = getfolder (1);
 132     maildir = m_maildir (folder);
 133
 134     if (chdir (maildir) == NOTOK)
 135         adios (maildir, "unable to change directory to ");
 136
 137     /* read folder and create message structure */
 138     if (!(mp = folder_read (folder)))
 139         adios (NULL, "unable to read folder %s", folder);
 140
 141     /* check for empty folder */
 142     if (mp->nummsg == 0)
 143         adios (NULL, "no messages in %s", folder);
 144
 145     /* parse all the message ranges/sequences and set SELECTED */
 146     for (msgnum = 0; msgnum < msgs.size; msgnum++)
 147         if (!m_convert (mp, msgs.msgs[msgnum]))
 148             done (1);
 149     seq_setprev (mp);   /* set the previous-sequence */
 150
 151     /* open and lock new maildrop file */
 152     if ((md = mbx_open(file, mbx_style, getuid(), getgid(), m_gmprot())) == NOTOK)
 153         adios (file, "unable to open");
 154
 155     /* copy all the SELECTED messages to the file */
 156     for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++)
 157         if (is_selected(mp, msgnum)) {
 158             if ((fd = open (msgnam = m_name (msgnum), O_RDONLY)) == NOTOK) {
 159                 admonish (msgnam, "unable to read message");
 160                 break;
 161             }
 162
 163             if (mbx_copy (file, mbx_style, md, fd, mapping, NULL, 1) == NOTOK)
 164                 adios (file, "error writing to file");
 165
 166             close (fd);
 167         }
 168
 169     /* close and unlock maildrop file */
 170     mbx_close (file, md);
 171
 172     context_replace (pfolder, folder);  /* update current folder         */
 173     if (mp->hghsel != mp->curmsg)
 174         seq_setcur (mp, mp->lowsel);
 175     seq_save (mp);
 176     context_save ();                    /* save the context file         */
 177     folder_free (mp);                   /* free folder/message structure */
 178     return done (0);
 179 }
 180
 181 int
 182 done (int status)
 183 {
 184     mbx_close (file, md);
 185     exit (status);
 186     return 1;  /* dead code to satisfy the compiler */
 187 }