diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/xstatconv.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/xstatconv.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/xstatconv.c b/sysdeps/unix/sysv/linux/xstatconv.c new file mode 100644 index 0000000000..06a28cce30 --- /dev/null +++ b/sysdeps/unix/sysv/linux/xstatconv.c @@ -0,0 +1,83 @@ +/* Convert between the kernel's `struct stat' format, and libc's. + Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <string.h> + + +static inline int +xstat_conv (int vers, struct kernel_stat *kbuf, void *ubuf) +{ + switch (vers) + { + case _STAT_VER_KERNEL: + /* Nothing to do. The struct is in the form the kernel expects. + We should have short-circuted before we got here, but for + completeness... */ + memcpy ((struct kernel_stat *) ubuf, kbuf, sizeof (*kbuf)); + break; + + case _STAT_VER_LINUX: + { + struct stat *buf = ubuf; + + /* Convert to current kernel version of `struct stat'. */ + buf->st_dev = kbuf->st_dev; +#ifdef _HAVE___PAD1 + buf->__pad1 = 0; +#endif + buf->st_ino = kbuf->st_ino; + buf->st_mode = kbuf->st_mode; + buf->st_nlink = kbuf->st_nlink; + buf->st_uid = kbuf->st_uid; + buf->st_gid = kbuf->st_gid; + buf->st_rdev = kbuf->st_rdev; +#ifdef _HAVE___PAD2 + buf->__pad2 = 0; +#endif + buf->st_size = kbuf->st_size; + buf->st_blksize = kbuf->st_blksize; + buf->st_blocks = kbuf->st_blocks; + buf->st_atime = kbuf->st_atime; +#ifdef _HAVE___UNUSED1 + buf->__unused1 = 0; +#endif + buf->st_mtime = kbuf->st_mtime; +#ifdef _HAVE___UNUSED2 + buf->__unused2 = 0; +#endif + buf->st_ctime = kbuf->st_ctime; +#ifdef _HAVE___UNUSED3 + buf->__unused3 = 0; +#endif +#ifdef _HAVE___UNUSED4 + buf->__unused4 = 0; +#endif +#ifdef _HAVE___UNUSED5 + buf->__unused5 = 0; +#endif + } + break; + + default: + __set_errno (EINVAL); + return -1; + } + + return 0; +} |