diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/sparc/sparc64/xstatconv.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/sparc/sparc64/xstatconv.c | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/xstatconv.c b/sysdeps/unix/sysv/linux/sparc/sparc64/xstatconv.c new file mode 100644 index 0000000000..d3f49eea43 --- /dev/null +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/xstatconv.c @@ -0,0 +1,127 @@ +/* Convert between the kernel's `struct stat' format, and libc's. + Copyright (C) 1991, 1995, 1996, 1997, 2000, 2002, 2003, 2006 + 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 Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <assert.h> +#include <errno.h> +#include <sys/stat.h> +#include <kernel_stat.h> +#include <string.h> +#include <kernel-features.h> + +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... */ + *(struct kernel_stat *) ubuf = *kbuf; + break; + + case _STAT_VER_LINUX: + { + struct stat *buf = ubuf; + + /* Convert to current kernel version of `struct stat'. */ + buf->st_dev = kbuf->st_dev; + buf->__pad1 = 0; + 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; + buf->__pad2 = 0; + buf->st_size = kbuf->st_size; + buf->st_blksize = kbuf->st_blksize; + buf->st_blocks = kbuf->st_blocks; + buf->st_atim.tv_sec = kbuf->st_atime_sec; + buf->st_atim.tv_nsec = 0; + buf->st_mtim.tv_sec = kbuf->st_mtime_sec; + buf->st_mtim.tv_nsec = 0; + buf->st_ctim.tv_sec = kbuf->st_ctime_sec; + buf->st_ctim.tv_nsec = 0; + buf->__unused4 = 0; + buf->__unused5 = 0; + } + break; + + default: + __set_errno (EINVAL); + return -1; + } + + return 0; +} + +int +__xstat32_conv (int vers, struct stat64 *sbuf, struct stat *buf) +{ + struct kernel_stat64 *kbuf; + + /* *stat64 syscalls on sparc64 really fill in struct kernel_stat64, + rather than struct stat64. But it is the same size as + struct kernel_stat64, so use this hack so that we can reuse + i386 {,f,l}xstat{,at}.c routines. */ + __asm ("" : "=r" (kbuf) : "0" (sbuf)); + assert (sizeof (struct stat) == sizeof (struct stat64)); + assert (sizeof (struct stat64) >= sizeof (struct kernel_stat64)); + + switch (vers) + { + case _STAT_VER_LINUX: + { + /* Convert current kernel version of `struct stat64' to + `struct stat'. */ + buf->st_dev = kbuf->st_dev; + buf->__pad1 = 0; + 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; + buf->__pad2 = 0; + buf->st_size = kbuf->st_size; + buf->st_blksize = kbuf->st_blksize; + buf->st_blocks = kbuf->st_blocks; + buf->st_atim.tv_sec = kbuf->st_atime_sec; + buf->st_atim.tv_nsec = kbuf->st_atime_nsec; + buf->st_mtim.tv_sec = kbuf->st_mtime_sec; + buf->st_mtim.tv_nsec = kbuf->st_mtime_nsec; + buf->st_ctim.tv_sec = kbuf->st_ctime_sec; + buf->st_ctim.tv_nsec = kbuf->st_ctime_nsec; + buf->__unused4 = 0; + buf->__unused5 = 0; + } + break; + + /* If struct stat64 is different from struct stat then + _STAT_VER_KERNEL does not make sense. */ + case _STAT_VER_KERNEL: + default: + __set_errno (EINVAL); + return -1; + } + + return 0; +} |