adtools/clib2

/*
 * $Id: stat_convertfileinfo.c,v 1.9 2006-09-20 19:46:57 obarthel Exp $
 *
 * :ts=4
 *
 * Portable ISO 'C' (1994) runtime library for the Amiga computer
 * Copyright (c) 2002-2015 by Olaf Barthel <obarthel (at) gmx.net>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Neither the name of Olaf Barthel nor the names of contributors
 *     may be used to endorse or promote products derived from this
 *     software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _STAT_HEADERS_H
#include "stat_headers.h"
#endif /* _STAT_HEADERS_H */

#ifndef _LOCALE_HEADERS_H
#include "locale_headers.h"
#endif /* _LOCALE_HEADERS_H */

#ifndef _TIME_HEADERS_H
#include "time_headers.h"
#endif /* _TIME_HEADERS_H */

/****************************************************************************/

void
__convert_file_info_to_stat(
    const struct MsgPort *            file_system,
    const struct FileInfoBlock *    fib,
    struct stat *                    st)
{
    time_t mtime;
    mode_t mode;
    ULONG flags;

    ENTER();

    assert( fib != NULL && st != NULL );

    SHOWVALUE(fib->fib_DiskKey);
    SHOWVALUE(fib->fib_DirEntryType);
    SHOWSTRING(fib->fib_FileName);
    SHOWVALUE(fib->fib_Protection);
    SHOWVALUE(fib->fib_EntryType);
    SHOWVALUE(fib->fib_Size);
    SHOWVALUE(fib->fib_NumBlocks);
    SHOWVALUE(fib->fib_Date.ds_Days);
    SHOWVALUE(fib->fib_Date.ds_Minute);
    SHOWVALUE(fib->fib_Date.ds_Tick);
    SHOWSTRING(fib->fib_Comment);
    SHOWVALUE(fib->fib_OwnerUID);
    SHOWVALUE(fib->fib_OwnerGID);

    memset(st,0,sizeof(*st));

    flags = fib->fib_Protection ^ (FIBF_READ|FIBF_WRITE|FIBF_EXECUTE|FIBF_DELETE);

    if(fib->fib_DirEntryType == ST_PIPEFILE)
        mode = S_IFIFO;
    else if (fib->fib_DirEntryType == ST_SOCKET)
        mode = S_IFSOCK;
    else if (fib->fib_DirEntryType == ST_CONSOLE || fib->fib_DirEntryType == ST_NIL)
        mode = S_IFCHR;
    else if (fib->fib_DirEntryType < 0)
        mode = S_IFREG;
    else
        mode = S_IFDIR;

    if(FLAG_IS_SET(flags,FIBF_READ))
        SET_FLAG(mode,S_IRUSR);

    if(FLAG_IS_SET(flags,FIBF_WRITE) && FLAG_IS_SET(flags,FIBF_DELETE))
        SET_FLAG(mode,S_IWUSR);

    if(FLAG_IS_SET(flags,FIBF_EXECUTE))
        SET_FLAG(mode,S_IXUSR);

    if(FLAG_IS_SET(flags,FIBF_GRP_READ))
        SET_FLAG(mode,S_IRGRP);

    if(FLAG_IS_SET(flags,FIBF_GRP_WRITE) && FLAG_IS_SET(flags,FIBF_GRP_DELETE))
        SET_FLAG(mode,S_IWGRP);

    if(FLAG_IS_SET(flags,FIBF_GRP_EXECUTE))
        SET_FLAG(mode,S_IXGRP);

    if(FLAG_IS_SET(flags,FIBF_OTR_READ))
        SET_FLAG(mode,S_IROTH);

    if(FLAG_IS_SET(flags,FIBF_OTR_WRITE) && FLAG_IS_SET(flags,FIBF_OTR_DELETE))
        SET_FLAG(mode,S_IWOTH);

    if(FLAG_IS_SET(flags,FIBF_OTR_EXECUTE))
        SET_FLAG(mode,S_IXOTH);

    mtime = __convert_datestamp_to_time(&fib->fib_Date);

    if(fib->fib_DirEntryType < 0)
    {
        st->st_nlink = 1;
        st->st_size  = fib->fib_Size;
    }
    else
    {
        st->st_nlink = 2;
    }

    st->st_ino        = fib->fib_DiskKey;
    st->st_dev        = (dev_t)file_system;
    st->st_mode        = mode;
    st->st_mtime    = mtime;
    st->st_atime    = mtime;
    st->st_ctime    = mtime;
    st->st_uid        = fib->fib_OwnerUID;
    st->st_gid        = fib->fib_OwnerGID;
    st->st_blksize    = 512;
    st->st_blocks    = (st->st_size + st->st_blksize-1) / st->st_blksize;

    SHOWVALUE(st->st_nlink);
    SHOWVALUE(st->st_size);
    SHOWVALUE(st->st_ino);
    SHOWVALUE(st->st_dev);
    SHOWVALUE(st->st_mode);
    SHOWVALUE(st->st_mtime);
    SHOWVALUE(st->st_atime);
    SHOWVALUE(st->st_ctime);
    SHOWVALUE(st->st_uid);
    SHOWVALUE(st->st_gid);
    SHOWVALUE(st->st_blksize);
    SHOWVALUE(st->st_blocks);

    LEAVE();
}