81 lines
2.6 KiB
C
81 lines
2.6 KiB
C
/* fxstat using old-style Unix fstat system call.
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Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <errno.h>
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#include <stddef.h>
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#include <sys/stat.h>
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#include <kernel_stat.h>
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extern int __syscall_fstat (int, struct kernel_stat *);
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/* Get information about the file descriptor FD in BUF. */
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int
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__fxstat (int vers, int fd, struct stat *buf)
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{
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struct kernel_stat kbuf;
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int result;
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switch (vers)
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{
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case _STAT_VER_LINUX_OLD:
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/* Nothing to do. The struct is in the form the kernel expects
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it to be. */
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result = __syscall_fstat (fd, (struct kernel_stat *) buf);
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break;
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case _STAT_VER_LINUX:
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/* Do the system call. */
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result = __syscall_fstat (fd, &kbuf);
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/* Convert to current kernel version of `struct stat'. */
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buf->st_dev = kbuf.st_dev;
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buf->st_pad1[0] = 0; buf->st_pad1[1] = 0; buf->st_pad1[2] = 0;
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buf->st_ino = kbuf.st_ino;
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buf->st_mode = kbuf.st_mode;
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buf->st_nlink = kbuf.st_nlink;
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buf->st_uid = kbuf.st_uid;
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buf->st_gid = kbuf.st_gid;
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buf->st_rdev = kbuf.st_rdev;
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buf->st_pad2[0] = 0; buf->st_pad2[1] = 0;
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buf->st_pad3 = 0;
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buf->st_size = kbuf.st_size;
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buf->st_blksize = kbuf.st_blksize;
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buf->st_blocks = kbuf.st_blocks;
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buf->st_atime = kbuf.st_atime; buf->__reserved0 = 0;
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buf->st_mtime = kbuf.st_mtime; buf->__reserved1 = 0;
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buf->st_ctime = kbuf.st_ctime; buf->__reserved2 = 0;
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buf->st_pad4[0] = 0; buf->st_pad4[1] = 0;
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buf->st_pad4[2] = 0; buf->st_pad4[3] = 0;
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buf->st_pad4[4] = 0; buf->st_pad4[5] = 0;
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buf->st_pad4[6] = 0; buf->st_pad4[7] = 0;
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break;
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default:
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__set_errno (EINVAL);
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result = -1;
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break;
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}
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return result;
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}
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weak_alias (__fxstat, _fxstat)
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