source: trunk/third/nmh/uip/mhpath.c @ 12455

/*
 * mhpath.c -- print full pathnames of nmh messages and folders
 *
 * $Id: mhpath.c,v 1.1.1.1 1999-02-07 18:14:15 danw Exp $
 */

#include <h/mh.h>

static struct swit switches[] = {
#define VERSIONSW 0
    { "version", 0 },
#define HELPSW  1
    { "help", 4 },
    { NULL, 0 }
};

/*
 * Add space for message/sequence names
 * by MAXMSGS at a time.
 */
#define MAXMSGS 256


int
main(int argc, char **argv)
{
    int i, maxmsgs, nummsgs;
    char *cp, *maildir, *folder = NULL;
    char **argp, **msgs;
    char **arguments, buf[BUFSIZ];
    struct msgs *mp;

#ifdef LOCALE
    setlocale(LC_ALL, "");
#endif
    invo_name = r1bindex (argv[0], '/');

    /* read user profile/context */
    context_read();

    arguments = getarguments (invo_name, argc, argv, 1);
    argp = arguments;

    /*
     * Allocate initial space to record message
     * and sequence names
     */
    nummsgs = 0;
    maxmsgs = MAXMSGS;
    if (!(msgs = (char **) malloc ((size_t) (maxmsgs * sizeof(*msgs)))))
        adios (NULL, "unable to allocate storage");

    /*
     * Parse arguments
     */
    while ((cp = *argp++)) {
        if (*cp == '-') {
            switch (smatch (++cp, switches)) {
                case AMBIGSW: 
                    ambigsw (cp, switches);
                    done (1);
                case UNKWNSW: 
                    adios (NULL, "-%s unknown", cp);

                case HELPSW: 
                    snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
                        invo_name);
                    print_help (buf, switches, 1);
                    done (1);
                case VERSIONSW:
                    print_version(invo_name);
                    done (1);
            }
        }
        if (*cp == '+' || *cp == '@') {
            if (folder)
                adios (NULL, "only one folder at a time!");
            else
                folder = path (cp + 1, *cp == '+' ? TFOLDER : TSUBCWF);
        } else {
            /*
             * if necessary, reallocate space for
             * message/sequence names
             */
            if (nummsgs >= maxmsgs) {
                maxmsgs += MAXMSGS;
                if (!(msgs = (char **) realloc (msgs,
                        (size_t) (maxmsgs * sizeof(*msgs)))))
                    adios (NULL, "unable to reallocate msgs storage ");
            }
            msgs[nummsgs++] = cp;
        }
    }

    if (!context_find ("path"))
        free (path ("./", TFOLDER));

    if (!folder)
        folder = getfolder (1);
    maildir = m_maildir (folder);

    /* If no messages are given, print folder pathname */
    if (!nummsgs) {
        printf ("%s\n", maildir);
        done (0);
    }

    if (chdir (maildir) == NOTOK)
        adios (maildir, "unable to change directory to");

    /* read folder and create message structure */
    if (!(mp = folder_read (folder)))
        adios (NULL, "unable to read folder %s", folder);

    /*
     * We need to make sure there is message status space
     * for all the message numbers from 1 to "new" since
     * mhpath can select empty slots.  If we are adding
     * space at the end, we go ahead and add 10 slots.
     */
    if (mp->hghmsg >= mp->hghoff) {
        if (!(mp = folder_realloc (mp, 1, mp->hghmsg + 10)))
            adios (NULL, "unable to allocate folder storage");
    } else if (mp->lowoff > 1) {
        if (!(mp = folder_realloc (mp, 1, mp->hghoff)))
            adios (NULL, "unable to allocate folder storage");
    }

    mp->msgflags |= ALLOW_NEW;  /* allow the "new" sequence */

    /* parse all the message ranges/sequences and set SELECTED */
    for (i = 0; i < nummsgs; i++)
        if (!m_convert (mp, msgs[i]))
            done (1);

    seq_setprev (mp);   /* set the previous-sequence */

    /* print the path of all selected messages */
    for (i = mp->lowsel; i <= mp->hghsel; i++)
        if (is_selected (mp, i))
            printf ("%s/%s\n", mp->foldpath, m_name (i));

    seq_save (mp);      /* synchronize message sequences */
    context_save ();    /* save the context file         */
    folder_free (mp);   /* free folder/message structure */
    done (0);
}