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Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/generic/bits/statfs.h')
-rw-r--r--ports/sysdeps/unix/sysv/linux/generic/bits/statfs.h86
1 files changed, 86 insertions, 0 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/generic/bits/statfs.h b/ports/sysdeps/unix/sysv/linux/generic/bits/statfs.h
new file mode 100644
index 0000000000..bf479e875e
--- /dev/null
+++ b/ports/sysdeps/unix/sysv/linux/generic/bits/statfs.h
@@ -0,0 +1,86 @@
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
+
+ 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/>. */
+
+#ifndef _SYS_STATFS_H
+# error "Never include <bits/statfs.h> directly; use <sys/statfs.h> instead."
+#endif
+
+#include <endian.h>
+#include <bits/types.h>
+#include <bits/wordsize.h>
+
+/* 64-bit libc uses the kernel's 'struct statfs', accessed via the
+ statfs() syscall; 32-bit libc uses the kernel's 'struct statfs64'
+ and accesses it via the statfs64() syscall. All the various
+ APIs offered by libc use the kernel shape for their struct statfs
+ structure; the only difference is that 32-bit programs not
+ using __USE_FILE_OFFSET64 only see the low 32 bits of some
+ of the fields (the __fsblkcnt_t and __fsfilcnt_t fields). */
+
+#if defined __USE_FILE_OFFSET64
+# define __field64(type, type64, name) type64 name
+#elif __WORDSIZE == 64
+# define __field64(type, type64, name) type name
+#elif __BYTE_ORDER == __LITTLE_ENDIAN
+# define __field64(type, type64, name) \
+ type name __attribute__((__aligned__(8))); int __##name##_pad
+#else
+# define __field64(type, type64, name) \
+ int __##name##_pad __attribute__((__aligned__(8))); type name
+#endif
+
+struct statfs
+ {
+ __SWORD_TYPE f_type;
+ __SWORD_TYPE f_bsize;
+ __field64(__fsblkcnt_t, __fsblkcnt64_t, f_blocks);
+ __field64(__fsblkcnt_t, __fsblkcnt64_t, f_bfree);
+ __field64(__fsblkcnt_t, __fsblkcnt64_t, f_bavail);
+ __field64(__fsfilcnt_t, __fsfilcnt64_t, f_files);
+ __field64(__fsfilcnt_t, __fsfilcnt64_t, f_ffree);
+ __fsid_t f_fsid;
+ __SWORD_TYPE f_namelen;
+ __SWORD_TYPE f_frsize;
+ __SWORD_TYPE f_flags;
+ __SWORD_TYPE f_spare[4];
+ } __attribute__((__aligned__(8)));
+
+#undef __field64
+
+#ifdef __USE_LARGEFILE64
+struct statfs64
+ {
+ __SWORD_TYPE f_type;
+ __SWORD_TYPE f_bsize;
+ __fsblkcnt64_t f_blocks;
+ __fsblkcnt64_t f_bfree;
+ __fsblkcnt64_t f_bavail;
+ __fsfilcnt64_t f_files;
+ __fsfilcnt64_t f_ffree;
+ __fsid_t f_fsid;
+ __SWORD_TYPE f_namelen;
+ __SWORD_TYPE f_frsize;
+ __SWORD_TYPE f_flags;
+ __SWORD_TYPE f_spare[4];
+ } __attribute__((__aligned__(8)));
+#endif
+
+/* Tell code we have these members. */
+#define _STATFS_F_NAMELEN
+#define _STATFS_F_FRSIZE
+#define _STATFS_F_FLAGS