freebsd-ports/lang/ifc/files/linux_stat.c

/*
 * Copyright (c) 2002  The FreeBSD Project
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
 *
 * $FreeBSD: /tmp/pcvs/ports/lang/ifc/files/linux_stat.c,v 1.1 2004-01-31 23:32:41 maho Exp $
 */

#include <sys/types.h>
#include <sys/stat.h>

/* This matches struct stat64 in glibc2.1, hence the absolutely
 * insane amounts of padding around dev_t's.
 */
struct stat64 {
    unsigned short	st_dev;
    unsigned char	__pad0[10];

#define STAT64_HAS_BROKEN_ST_INO	1
    unsigned long	__st_ino;

    unsigned int	st_mode;
    unsigned int	st_nlink;

    unsigned long	st_uid;
    unsigned long	st_gid;

    unsigned short	st_rdev;
    unsigned char	__pad3[10];

    long long	st_size;
    unsigned long	st_blksize;

    unsigned long	st_blocks;	/* Number 512-byte blocks allocated. */
    unsigned long	__pad4;		/* future possible st_blocks high bits */

    unsigned long	st_atime_;
    unsigned long	__pad5;

    unsigned long	st_mtime_;
    unsigned long	__pad6;

    unsigned long	st_ctime_;
    unsigned long	__pad7;		/* will be high 32 bits of ctime someday */

    unsigned long long	st_ino;
};

struct stat64 stat2stat64(struct stat sb) {
    static struct stat64 sb64;

    sb64.st_dev     = sb.st_dev;
    sb64.st_ino     = sb.st_ino; 
    sb64.st_mode    = sb.st_mode; 
    sb64.st_nlink   = sb.st_nlink;
    sb64.st_uid     = sb.st_uid; 
    sb64.st_gid     = sb.st_gid; 
    sb64.st_rdev    = sb.st_rdev; 
    sb64.st_size    = sb.st_size; 
    sb64.st_blksize = sb.st_blksize;
    sb64.st_blocks  = sb.st_blocks;
    sb64.st_atime_  = sb.st_atime;
    sb64.st_mtime_  = sb.st_mtime;
    sb64.st_ctime_  = sb.st_ctime;

    return sb64;
}

int __fxstat64 (int __ver, int __fildes, struct stat64 *__stat_buf) {
    struct stat sb;
    int result;

    result = fstat (__fildes, &sb);
    *__stat_buf = stat2stat64(sb);
    return result;
}

int __lxstat64 (int __ver, __const char *__filename,
		struct stat64 *__stat_buf) {
    struct stat sb;
    int result;

    result = lstat (__filename, &sb);
    *__stat_buf = stat2stat64(sb);
    return result;
}

int __xstat64 (int __ver, __const char *__filename,
	       struct stat64 *__stat_buf) {
    struct stat sb;
    int result;

    result = stat (__filename, &sb);
    *__stat_buf = stat2stat64(sb);
    return result;
}


struct l_stat
{
    unsigned long long st_dev;			 
    unsigned short int __pad1;
    unsigned long      st_ino;			 
    unsigned int       st_mode;			 
    unsigned int       st_nlink;			 
    unsigned int       st_uid;			 
    unsigned int       st_gid;			 
    unsigned long long st_rdev;			 
    unsigned short int __pad2;
    long int           st_size;			 
    long int           st_blksize;		 
    long int           st_blocks;		 
    long int           st_atime_;			 
    unsigned long int  __unused1;
    long int           st_mtime_;			 
    unsigned long int  __unused2;
    long int           st_ctime_;			 
    unsigned long int  __unused3;
    unsigned long int  __unused4;
    unsigned long int  __unused5;
};

struct l_stat stat2l_stat(struct stat sb) {
    static struct l_stat lsb;

    lsb.st_dev	   = sb.st_dev	  ;
    lsb.st_ino	   = sb.st_ino	  ;
    lsb.st_mode	   = sb.st_mode	  ;
    lsb.st_nlink   = sb.st_nlink  ;
    lsb.st_uid	   = sb.st_uid	  ;
    lsb.st_gid	   = sb.st_gid	  ;
    lsb.st_rdev	   = sb.st_rdev	  ;
    lsb.st_size	   = sb.st_size	  ;
    lsb.st_blksize = sb.st_blksize;
    lsb.st_blocks  = sb.st_blocks ;
    lsb.st_atime_  = sb.st_atime  ;
    lsb.st_mtime_  = sb.st_mtime  ;
    lsb.st_ctime_  = sb.st_ctime  ;

    return lsb;
}

int __fxstat (int __ver, int __fildes, struct l_stat *__stat_buf) {
    struct stat sb;
    int result;

    result = fstat (__fildes, &sb);
    *__stat_buf = stat2l_stat(sb);
    return result;
}

int __lxstat (int __ver, __const char *__filename,
		struct l_stat *__stat_buf) {
    struct stat sb;
    int result;

    result = lstat (__filename, &sb);
    *__stat_buf = stat2l_stat(sb);
    return result;
}

int __xstat (int __ver, __const char *__filename,
	       struct l_stat *__stat_buf) {
    struct stat sb;
    int result;

    result = stat (__filename, &sb);
    *__stat_buf = stat2l_stat(sb);
    return result;
}