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

   1
   2 /*
   3  * mhpath.c -- print full pathnames of nmh messages and folders
   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 static struct swit switches[] = {
  15 #define VERSIONSW 0
  16     { "version", 0 },
  17 #define HELPSW  1
  18     { "help", 0 },
  19     { NULL, 0 }
  20 };
  21
  22 /*
  23  * Add space for message/sequence names
  24  * by MAXMSGS at a time.
  25  */
  26 #define MAXMSGS 256
  27
  28
  29 int
  30 main(int argc, char **argv)
  31 {
  32     int i, maxmsgs, nummsgs;
  33     char *cp, *maildir, *folder = NULL;
  34     char **argp, **msgs;
  35     char **arguments, buf[BUFSIZ];
  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 initial space to record message
  51      * and sequence names
  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     /*
  59      * Parse arguments
  60      */
  61     while ((cp = *argp++)) {
  62         if (*cp == '-') {
  63             switch (smatch (++cp, switches)) {
  64                 case AMBIGSW:
  65                     ambigsw (cp, switches);
  66                     done (1);
  67                 case UNKWNSW:
  68                     adios (NULL, "-%s unknown", cp);
  69
  70                 case HELPSW:
  71                     snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
  72                         invo_name);
  73                     print_help (buf, switches, 1);
  74                     done (1);
  75                 case VERSIONSW:
  76                     print_version(invo_name);
  77                     done (1);
  78             }
  79         }
  80         if (*cp == '+' || *cp == '@') {
  81             if (folder)
  82                 adios (NULL, "only one folder at a time!");
  83             else
  84                 folder = path (cp + 1, *cp == '+' ? TFOLDER : TSUBCWF);
  85         } else {
  86             /*
  87              * if necessary, reallocate space for
  88              * message/sequence names
  89              */
  90             if (nummsgs >= maxmsgs) {
  91                 maxmsgs += MAXMSGS;
  92                 if (!(msgs = (char **) realloc (msgs,
  93                         (size_t) (maxmsgs * sizeof(*msgs)))))
  94                     adios (NULL, "unable to reallocate msgs storage ");
  95             }
  96             msgs[nummsgs++] = cp;
  97         }
  98     }
  99
 100     if (!context_find ("path"))
 101         free (path ("./", TFOLDER));
 102
 103     if (!folder)
 104         folder = getfolder (1);
 105     maildir = m_maildir (folder);
 106
 107     /* If no messages are given, print folder pathname */
 108     if (!nummsgs) {
 109         printf ("%s\n", maildir);
 110         done (0);
 111     }
 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     /*
 121      * We need to make sure there is message status space
 122      * for all the message numbers from 1 to "new" since
 123      * mhpath can select empty slots.  If we are adding
 124      * space at the end, we go ahead and add 10 slots.
 125      */
 126     if (mp->hghmsg >= mp->hghoff) {
 127         if (!(mp = folder_realloc (mp, 1, mp->hghmsg + 10)))
 128             adios (NULL, "unable to allocate folder storage");
 129     } else if (mp->lowoff > 1) {
 130         if (!(mp = folder_realloc (mp, 1, mp->hghoff)))
 131             adios (NULL, "unable to allocate folder storage");
 132     }
 133
 134     mp->msgflags |= ALLOW_NEW;  /* allow the "new" sequence */
 135
 136     /* parse all the message ranges/sequences and set SELECTED */
 137     for (i = 0; i < nummsgs; i++)
 138         if (!m_convert (mp, msgs[i]))
 139             done (1);
 140
 141     seq_setprev (mp);   /* set the previous-sequence */
 142
 143     /* print the path of all selected messages */
 144     for (i = mp->lowsel; i <= mp->hghsel; i++)
 145         if (is_selected (mp, i))
 146             printf ("%s/%s\n", mp->foldpath, m_name (i));
 147
 148     seq_save (mp);      /* synchronize message sequences */
 149     context_save ();    /* save the context file         */
 150     folder_free (mp);   /* free folder/message structure */
 151     return done (0);
 152 }