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Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/mips/xstatconv.c')
-rw-r--r--ports/sysdeps/unix/sysv/linux/mips/xstatconv.c201
1 files changed, 201 insertions, 0 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/mips/xstatconv.c b/ports/sysdeps/unix/sysv/linux/mips/xstatconv.c
new file mode 100644
index 0000000000..df4af51fb3
--- /dev/null
+++ b/ports/sysdeps/unix/sysv/linux/mips/xstatconv.c
@@ -0,0 +1,201 @@
+/* Convert between the kernel's `struct stat' format, and libc's.
+ Copyright (C) 1991,1995,1996,1997,1998,2000,2003 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, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <sys/stat.h>
+#include <kernel_stat.h>
+
+#include <string.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;
+ memset (&buf->st_pad1, 0, sizeof (buf->st_pad1));
+ buf->st_ino = kbuf->st_ino;
+ /* Check for overflow. */
+ if (buf->st_ino != kbuf->st_ino)
+ {
+ __set_errno (EOVERFLOW);
+ return -1;
+ }
+ 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;
+ memset (&buf->st_pad2, 0, sizeof (buf->st_pad2));
+ buf->st_size = kbuf->st_size;
+ /* Check for overflow. */
+ if (buf->st_size != kbuf->st_size)
+ {
+ __set_errno (EOVERFLOW);
+ return -1;
+ }
+ buf->st_pad3 = 0;
+ 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->st_blksize = kbuf->st_blksize;
+ buf->st_blocks = kbuf->st_blocks;
+ /* Check for overflow. */
+ if (buf->st_blocks != kbuf->st_blocks)
+ {
+ __set_errno (EOVERFLOW);
+ return -1;
+ }
+ memset (&buf->st_pad5, 0, sizeof (buf->st_pad5));
+ }
+ break;
+
+ default:
+ __set_errno (EINVAL);
+ return -1;
+ }
+
+ return 0;
+}
+
+int
+__xstat64_conv (int vers, struct kernel_stat *kbuf, void *ubuf)
+{
+#ifdef XSTAT_IS_XSTAT64
+ return xstat_conv (vers, kbuf, ubuf);
+#else
+ switch (vers)
+ {
+ case _STAT_VER_LINUX:
+ {
+ struct stat64 *buf = ubuf;
+
+ buf->st_dev = kbuf->st_dev;
+ memset (&buf->st_pad1, 0, sizeof (buf->st_pad1));
+ 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;
+ memset (&buf->st_pad2, 0, sizeof (buf->st_pad2));
+ buf->st_pad3 = 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;
+
+ memset (&buf->st_pad4, 0, sizeof (buf->st_pad4));
+ }
+ 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;
+#endif
+}
+
+#if _MIPS_SIM == _ABIO32
+int
+__xstat32_conv (int vers, struct stat64 *kbuf, struct stat *buf)
+{
+ switch (vers)
+ {
+ case _STAT_VER_LINUX:
+ /* Convert current kernel version of `struct stat64' to
+ `struct stat'. The layout of the fields in the kernel's
+ stat64 is the same as that in the user stat64; the only
+ difference is that the latter has more trailing padding. */
+ buf->st_dev = kbuf->st_dev;
+ memset (&buf->st_pad1, 0, sizeof (buf->st_pad1));
+ buf->st_ino = kbuf->st_ino;
+ /* Check for overflow. */
+ if (buf->st_ino != kbuf->st_ino)
+ {
+ __set_errno (EOVERFLOW);
+ return -1;
+ }
+ 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;
+ memset (&buf->st_pad2, 0, sizeof (buf->st_pad2));
+ buf->st_size = kbuf->st_size;
+ /* Check for overflow. */
+ if (buf->st_size != kbuf->st_size)
+ {
+ __set_errno (EOVERFLOW);
+ return -1;
+ }
+ buf->st_pad3 = 0;
+ buf->st_atim.tv_sec = kbuf->st_atim.tv_sec;
+ buf->st_atim.tv_nsec = kbuf->st_atim.tv_nsec;
+ buf->st_mtim.tv_sec = kbuf->st_mtim.tv_sec;
+ buf->st_mtim.tv_nsec = kbuf->st_mtim.tv_nsec;
+ buf->st_ctim.tv_sec = kbuf->st_ctim.tv_sec;
+ buf->st_ctim.tv_nsec = kbuf->st_ctim.tv_nsec;
+ buf->st_blksize = kbuf->st_blksize;
+ buf->st_blocks = kbuf->st_blocks;
+ /* Check for overflow. */
+ if (buf->st_blocks != kbuf->st_blocks)
+ {
+ __set_errno (EOVERFLOW);
+ return -1;
+ }
+ memset (&buf->st_pad5, 0, sizeof (buf->st_pad5));
+ 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;
+}
+#endif /* _MIPS_SIM == _ABIO32 */
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