From: Ulrich Drepper <drepper@redhat.com>
Date: Sat, 28 Nov 1998 21:03:02 +0000 (+0000)
Subject: Conversion function for stat structure.
X-Git-Tag: upstream/2.30~10627^2~3012
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=abbde1b09842dd536135619a1c9db86bb76efe07;p=external%2Fglibc.git

Conversion function for stat structure.
---

diff --git a/sysdeps/unix/sysv/linux/mips/xstatconv.c b/sysdeps/unix/sysv/linux/mips/xstatconv.c
new file mode 100644
index 0000000..356235a
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/mips/xstatconv.c
@@ -0,0 +1,120 @@
+/* Convert between the kernel's `struct stat' format, and libc's.
+   Copyright (C) 1991, 1995, 1996, 1997, 1998 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... */
+      *(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->st_pad1[0]  = 0; buf->st_pad1[1]  = 0; buf->st_pad1[2]  = 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->st_pad2[0] = 0; buf->st_pad2[1] = 0;
+	buf->st_pad3 = 0;
+	buf->st_size = kbuf->st_size;
+	buf->st_blksize = kbuf->st_blksize;
+	buf->st_blocks = kbuf->st_blocks;
+	
+	buf->st_atime = kbuf->st_atime; buf->__reserved0 = 0;
+	buf->st_mtime = kbuf->st_mtime; buf->__reserved1 = 0;
+	buf->st_ctime = kbuf->st_ctime; buf->__reserved2 = 0;
+	
+	buf->st_pad4[0] = 0; buf->st_pad4[1] = 0;
+	buf->st_pad4[2] = 0; buf->st_pad4[3] = 0;
+	buf->st_pad4[4] = 0; buf->st_pad4[5] = 0;
+	buf->st_pad4[6] = 0; buf->st_pad4[7] = 0;
+      }
+      break;
+
+    default:
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  return 0;
+}
+
+static inline 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;
+	buf->st_pad1[0]  = 0; buf->st_pad1[1]  = 0; buf->st_pad1[2]  = 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->st_pad2[0] = 0; buf->st_pad2[1] = 0;
+	buf->st_pad3 = 0;
+	buf->st_size = kbuf->st_size;
+	buf->st_blksize = kbuf->st_blksize;
+	buf->st_blocks = kbuf->st_blocks;
+
+	buf->st_atime = kbuf->st_atime; buf->__reserved0 = 0;
+	buf->st_mtime = kbuf->st_mtime; buf->__reserved1 = 0;
+	buf->st_ctime = kbuf->st_ctime; buf->__reserved2 = 0;
+
+	buf->st_pad4[0] = 0; buf->st_pad4[1] = 0;
+	buf->st_pad4[2] = 0; buf->st_pad4[3] = 0;
+	buf->st_pad4[4] = 0; buf->st_pad4[5] = 0;
+	buf->st_pad4[6] = 0; buf->st_pad4[7] = 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;
+#endif
+}