1 files changed, 74 insertions, 0 deletions
diff --git a/libc/sysdeps/unix/sysv/linux/fstatvfs64.c b/libc/sysdeps/unix/sysv/linux/fstatvfs64.c
new file mode 100644
index 000000000..24c0a8fed
--- /dev/null
+++ b/libc/sysdeps/unix/sysv/linux/fstatvfs64.c
@@ -0,0 +1,74 @@
+/* Return information about the filesystem on which FD resides.
+   Copyright (C) 1996,1997,1998,2000,2001,2004,2006
+	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 <errno.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/statfs.h>
+#include <sys/statvfs.h>
+#include <kernel-features.h>
+
+
+extern void __internal_statvfs64 (const char *name, struct statvfs64 *buf,
+				  struct statfs64 *fsbuf, struct stat64 *st);
+
+
+/* Return information about the filesystem on which FD resides.  */
+int
+__fstatvfs64 (int fd, struct statvfs64 *buf)
+{
+  struct statfs64 fsbuf;
+  int res = __fstatfs64 (fd, &fsbuf);
+
+#ifndef __ASSUME_STATFS64
+  if (res < 0 && errno == ENOSYS)
+    {
+      struct statvfs buf32;
+
+      res = fstatvfs (fd, &buf32);
+      if (res == 0)
+	{
+	  buf->f_bsize = buf32.f_bsize;
+	  buf->f_frsize = buf32.f_frsize;
+	  buf->f_blocks = buf32.f_blocks;
+	  buf->f_bfree = buf32.f_bfree;
+	  buf->f_bavail = buf32.f_bavail;
+	  buf->f_files = buf32.f_files;
+	  buf->f_ffree = buf32.f_ffree;
+	  buf->f_favail = buf32.f_favail;
+	  buf->f_fsid = buf32.f_fsid;
+	  buf->f_flag = buf32.f_flag;
+	  buf->f_namemax = buf32.f_namemax;
+	  memcpy (buf->__f_spare, buf32.__f_spare, sizeof (buf32.__f_spare));
+	}
+    }
+#endif
+
+  if (res == 0)
+    {
+      /* Convert the result.  */
+      struct stat64 st;
+      __internal_statvfs64 (NULL, buf, &fsbuf,
+			    fstat64 (fd, &st) == -1 ? NULL : &st);
+    }
+
+  return res;
+}
+weak_alias (__fstatvfs64, fstatvfs64)