diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/generic/bits/statfs.h')
-rw-r--r-- | sysdeps/unix/sysv/linux/generic/bits/statfs.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/generic/bits/statfs.h b/sysdeps/unix/sysv/linux/generic/bits/statfs.h new file mode 100644 index 0000000000..e32cf76741 --- /dev/null +++ b/sysdeps/unix/sysv/linux/generic/bits/statfs.h @@ -0,0 +1,86 @@ +/* Copyright (C) 2011-2014 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__ (__alignof__ (type64)))); int __##name##_pad +#else +# define __field64(type, type64, name) \ + int __##name##_pad __attribute__((__aligned__ (__alignof__ (type64)))); 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]; + }; + +#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]; + }; +#endif + +/* Tell code we have these members. */ +#define _STATFS_F_NAMELEN +#define _STATFS_F_FRSIZE +#define _STATFS_F_FLAGS |