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Diffstat (limited to 'sysdeps/unix/sysv/linux/statvfs64.c')
-rw-r--r--sysdeps/unix/sysv/linux/statvfs64.c67
1 files changed, 46 insertions, 21 deletions
diff --git a/sysdeps/unix/sysv/linux/statvfs64.c b/sysdeps/unix/sysv/linux/statvfs64.c
index 861f60548a..79d82c756a 100644
--- a/sysdeps/unix/sysv/linux/statvfs64.c
+++ b/sysdeps/unix/sysv/linux/statvfs64.c
@@ -1,5 +1,5 @@
 /* Return information about the filesystem on which FILE resides.
-   Copyright (C) 1998, 2000, 2001 Free Software Foundation, Inc.
+   Copyright (C) 1998, 2000, 2001, 2004 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
@@ -18,32 +18,57 @@
    02111-1307 USA.  */
 
 #include <errno.h>
-#include <sys/statvfs.h>
 #include <stddef.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 FILE resides.  */
 int
 __statvfs64 (const char *file, struct statvfs64 *buf)
 {
-  struct statvfs buf32;
-
-  if (statvfs (file, &buf32) < 0)
-    return -1;
-
-  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));
-
-  return 0;
+  struct statfs64 fsbuf;
+  int res = __statfs64 (file, &fsbuf);
+
+#ifndef __ASSUME_STATFS64
+  if (res < 0 && errno == ENOSYS)
+    {
+      struct statvfs buf32;
+
+      res = statvfs (file, &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 (file, buf, &fsbuf,
+			    stat64 (file, &st) == -1 ? NULL : &st);
+    }
+
+  return res;
 }
 weak_alias (__statvfs64, statvfs64)