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

   1
   2 /*
   3  * packf.c -- pack a nmh folder into a file
   4  *
   5  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   6  * COPYRIGHT file in the root directory of the nmh distribution for
   7  * complete copyright information.
   8  */
   9
  10 #include <h/mh.h>
  11 #include <fcntl.h>
  12 #include <h/dropsbr.h>
  13 #include <h/utils.h>
  14 #include <errno.h>
  15
  16 static struct swit switches[] = {
  17 #define FILESW         0
  18     { "file name", 0 },
  19 #define MBOXSW         1
  20     { "mbox", 0 },
  21 #define MMDFSW         2
  22     { "mmdf", 0 },
  23 #define VERSIONSW      3
  24     { "version", 0 },
  25 #define HELPSW         4
  26     { "help", 0 },
  27     { NULL, 0 }
  28 };
  29
  30 static int md = NOTOK;
  31 static int mbx_style = MBOX_FORMAT;
  32 static int mapping = 0;
  33
  34 static void mbxclose_done(int) NORETURN;
  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     done=mbxclose_done;
  50
  51 #ifdef LOCALE
  52     setlocale(LC_ALL, "");
  53 #endif
  54     invo_name = r1bindex (argv[0], '/');
  55
  56     /* read user profile/context */
  57     context_read();
  58
  59     arguments = getarguments (invo_name, argc, argv, 1);
  60     argp = arguments;
  61
  62     /*
  63      * Parse arguments
  64      */
  65     while ((cp = *argp++)) {
  66         if (*cp == '-') {
  67             switch (smatch (++cp, switches)) {
  68                 case AMBIGSW:
  69                     ambigsw (cp, switches);
  70                     done (1);
  71                 case UNKWNSW:
  72                     adios (NULL, "-%s unknown", cp);
  73
  74                 case HELPSW:
  75                     snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
  76                         invo_name);
  77                     print_help (buf, switches, 1);
  78                     done (1);
  79                 case VERSIONSW:
  80                     print_version(invo_name);
  81                     done (1);
  82
  83                 case FILESW:
  84                     if (file)
  85                         adios (NULL, "only one file at a time!");
  86                     if (!(file = *argp++) || *file == '-')
  87                         adios (NULL, "missing argument to %s", argp[-2]);
  88                     continue;
  89
  90                 case MBOXSW:
  91                     mbx_style = MBOX_FORMAT;
  92                     mapping = 0;
  93                     continue;
  94                 case MMDFSW:
  95                     mbx_style = MMDF_FORMAT;
  96                     mapping = 1;
  97                     continue;
  98             }
  99         }
 100         if (*cp == '+' || *cp == '@') {
 101             if (folder)
 102                 adios (NULL, "only one folder at a time!");
 103             folder = pluspath (cp);
 104         } else
 105                 app_msgarg(&msgs, cp);
 106     }
 107
 108     if (!file)
 109         file = "./msgbox";
 110     file = path (file, TFILE);
 111
 112     /*
 113      * Check if file to be created (or appended to)
 114      * exists.  If not, ask for confirmation.
 115      */
 116     if (stat (file, &st) == NOTOK) {
 117         if (errno != ENOENT)
 118             adios (file, "error on file");
 119         cp = concat ("Create file \"", file, "\"? ", NULL);
 120         if (!getanswer (cp))
 121             done (1);
 122         free (cp);
 123     }
 124
 125     if (!context_find ("path"))
 126         free (path ("./", TFOLDER));
 127
 128     /* default is to pack whole folder */
 129     if (!msgs.size)
 130         app_msgarg(&msgs, "all");
 131
 132     if (!folder)
 133         folder = getfolder (1);
 134     maildir = m_maildir (folder);
 135
 136     if (chdir (maildir) == NOTOK)
 137         adios (maildir, "unable to change directory to ");
 138
 139     /* read folder and create message structure */
 140     if (!(mp = folder_read (folder)))
 141         adios (NULL, "unable to read folder %s", folder);
 142
 143     /* check for empty folder */
 144     if (mp->nummsg == 0)
 145         adios (NULL, "no messages in %s", folder);
 146
 147     /* parse all the message ranges/sequences and set SELECTED */
 148     for (msgnum = 0; msgnum < msgs.size; msgnum++)
 149         if (!m_convert (mp, msgs.msgs[msgnum]))
 150             done (1);
 151     seq_setprev (mp);   /* set the previous-sequence */
 152
 153     /* open and lock new maildrop file */
 154     if ((md = mbx_open(file, mbx_style, getuid(), getgid(), m_gmprot())) == NOTOK)
 155         adios (file, "unable to open");
 156
 157     /* copy all the SELECTED messages to the file */
 158     for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++)
 159         if (is_selected(mp, msgnum)) {
 160             if ((fd = open (msgnam = m_name (msgnum), O_RDONLY)) == NOTOK) {
 161                 admonish (msgnam, "unable to read message");
 162                 break;
 163             }
 164
 165             if (mbx_copy (file, mbx_style, md, fd, mapping, NULL, 1) == NOTOK)
 166                 adios (file, "error writing to file");
 167
 168             close (fd);
 169         }
 170
 171     /* close and unlock maildrop file */
 172     mbx_close (file, md);
 173
 174     context_replace (pfolder, folder);  /* update current folder         */
 175     if (mp->hghsel != mp->curmsg)
 176         seq_setcur (mp, mp->lowsel);
 177     seq_save (mp);
 178     context_save ();                    /* save the context file         */
 179     folder_free (mp);                   /* free folder/message structure */
 180     done (0);
 181     return 1;
 182 }
 183
 184 static void
 185 mbxclose_done (int status)
 186 {
 187     mbx_close (file, md);
 188     exit (status);
 189 }