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
   8 #include <h/mh.h>
   9
  10 static struct swit switches[] = {
  11 #define VERSIONSW 0
  12     { "version", 0 },
  13 #define HELPSW  1
  14     { "help", 0 },
  15     { NULL, 0 }
  16 };
  17
  18 /*
  19  * Add space for message/sequence names
  20  * by MAXMSGS at a time.
  21  */
  22 #define MAXMSGS 256
  23
  24
  25 int
  26 main(int argc, char **argv)
  27 {
  28     int i, maxmsgs, nummsgs;
  29     char *cp, *maildir, *folder = NULL;
  30     char **argp, **msgs;
  31     char **arguments, buf[BUFSIZ];
  32     struct msgs *mp;
  33
  34 #ifdef LOCALE
  35     setlocale(LC_ALL, "");
  36 #endif
  37     invo_name = r1bindex (argv[0], '/');
  38
  39     /* read user profile/context */
  40     context_read();
  41
  42     arguments = getarguments (invo_name, argc, argv, 1);
  43     argp = arguments;
  44
  45     /*
  46      * Allocate initial space to record message
  47      * and sequence names
  48      */
  49     nummsgs = 0;
  50     maxmsgs = MAXMSGS;
  51     if (!(msgs = (char **) malloc ((size_t) (maxmsgs * sizeof(*msgs)))))
  52         adios (NULL, "unable to allocate storage");
  53
  54     /*
  55      * Parse arguments
  56      */
  57     while ((cp = *argp++)) {
  58         if (*cp == '-') {
  59             switch (smatch (++cp, switches)) {
  60                 case AMBIGSW:
  61                     ambigsw (cp, switches);
  62                     done (1);
  63                 case UNKWNSW:
  64                     adios (NULL, "-%s unknown", cp);
  65
  66                 case HELPSW:
  67                     snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
  68                         invo_name);
  69                     print_help (buf, switches, 1);
  70                     done (1);
  71                 case VERSIONSW:
  72                     print_version(invo_name);
  73                     done (1);
  74             }
  75         }
  76         if (*cp == '+' || *cp == '@') {
  77             if (folder)
  78                 adios (NULL, "only one folder at a time!");
  79             else
  80                 folder = path (cp + 1, *cp == '+' ? TFOLDER : TSUBCWF);
  81         } else {
  82             /*
  83              * if necessary, reallocate space for
  84              * message/sequence names
  85              */
  86             if (nummsgs >= maxmsgs) {
  87                 maxmsgs += MAXMSGS;
  88                 if (!(msgs = (char **) realloc (msgs,
  89                         (size_t) (maxmsgs * sizeof(*msgs)))))
  90                     adios (NULL, "unable to reallocate msgs storage ");
  91             }
  92             msgs[nummsgs++] = cp;
  93         }
  94     }
  95
  96     if (!context_find ("path"))
  97         free (path ("./", TFOLDER));
  98
  99     if (!folder)
 100         folder = getfolder (1);
 101     maildir = m_maildir (folder);
 102
 103     /* If no messages are given, print folder pathname */
 104     if (!nummsgs) {
 105         printf ("%s\n", maildir);
 106         done (0);
 107     }
 108
 109     if (chdir (maildir) == NOTOK)
 110         adios (maildir, "unable to change directory to");
 111
 112     /* read folder and create message structure */
 113     if (!(mp = folder_read (folder)))
 114         adios (NULL, "unable to read folder %s", folder);
 115
 116     /*
 117      * We need to make sure there is message status space
 118      * for all the message numbers from 1 to "new" since
 119      * mhpath can select empty slots.  If we are adding
 120      * space at the end, we go ahead and add 10 slots.
 121      */
 122     if (mp->hghmsg >= mp->hghoff) {
 123         if (!(mp = folder_realloc (mp, 1, mp->hghmsg + 10)))
 124             adios (NULL, "unable to allocate folder storage");
 125     } else if (mp->lowoff > 1) {
 126         if (!(mp = folder_realloc (mp, 1, mp->hghoff)))
 127             adios (NULL, "unable to allocate folder storage");
 128     }
 129
 130     mp->msgflags |= ALLOW_NEW;  /* allow the "new" sequence */
 131
 132     /* parse all the message ranges/sequences and set SELECTED */
 133     for (i = 0; i < nummsgs; i++)
 134         if (!m_convert (mp, msgs[i]))
 135             done (1);
 136
 137     seq_setprev (mp);   /* set the previous-sequence */
 138
 139     /* print the path of all selected messages */
 140     for (i = mp->lowsel; i <= mp->hghsel; i++)
 141         if (is_selected (mp, i))
 142             printf ("%s/%s\n", mp->foldpath, m_name (i));
 143
 144     seq_save (mp);      /* synchronize message sequences */
 145     context_save ();    /* save the context file         */
 146     folder_free (mp);   /* free folder/message structure */
 147     return done (0);
 148 }