1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116

use {Result, NixPath, from_ffi};
use errno::Errno;
use std::os::unix::io::AsRawFd;

pub mod vfs {
	#[cfg(target_pointer_width = "32")]
        pub mod hwdep {
		use libc::{c_uint};
		pub type FsType = c_uint;
		pub type BlockSize = c_uint;
		pub type NameLen = c_uint;
		pub type FragmentSize = c_uint;
		pub type SwordType = c_uint;
	}

	#[cfg(target_pointer_width = "64")]
	pub mod hwdep {
		use libc::{c_long};
		pub type FsType = c_long;
		pub type BlockSize = c_long;
		pub type NameLen = c_long;
		pub type FragmentSize = c_long;
		pub type SwordType = c_long;
	}

	use sys::statfs::vfs::hwdep::*;

	#[repr(C)]
	#[derive(Debug,Copy,Clone)]
	pub struct Statfs {
		pub f_type:  FsType,
		pub f_bsize: BlockSize,
		pub f_blocks: u64,
		pub f_bfree: u64,
		pub f_bavail: u64,
		pub f_files: u64,
		pub f_ffree: u64,
		pub f_fsid: u64,
		pub f_namelen: NameLen,
		pub f_frsize: FragmentSize,
		pub f_spare: [SwordType; 5],
	}
		
	pub const ADFS_SUPER_MAGIC : FsType =      0xadf5;
	pub const AFFS_SUPER_MAGIC : FsType =      0xADFF;
	pub const BEFS_SUPER_MAGIC : FsType =      0x42465331;
	pub const BFS_MAGIC : FsType =             0x1BADFACE;
	pub const CIFS_MAGIC_NUMBER : FsType =     0xFF534D42;
	pub const CODA_SUPER_MAGIC : FsType =      0x73757245;
	pub const COH_SUPER_MAGIC : FsType =       0x012FF7B7;
	pub const CRAMFS_MAGIC : FsType =          0x28cd3d45;
	pub const DEVFS_SUPER_MAGIC : FsType =     0x1373;
	pub const EFS_SUPER_MAGIC : FsType =       0x00414A53;
	pub const EXT_SUPER_MAGIC : FsType =       0x137D;
	pub const EXT2_OLD_SUPER_MAGIC : FsType =  0xEF51;
	pub const EXT2_SUPER_MAGIC : FsType =      0xEF53;
	pub const EXT3_SUPER_MAGIC : FsType =      0xEF53;
	pub const EXT4_SUPER_MAGIC : FsType =      0xEF53;
	pub const HFS_SUPER_MAGIC : FsType =       0x4244;
	pub const HPFS_SUPER_MAGIC : FsType =      0xF995E849;
	pub const HUGETLBFS_MAGIC : FsType =       0x958458f6;
	pub const ISOFS_SUPER_MAGIC : FsType =     0x9660;
	pub const JFFS2_SUPER_MAGIC : FsType =     0x72b6;
	pub const JFS_SUPER_MAGIC : FsType =       0x3153464a;
	pub const MINIX_SUPER_MAGIC : FsType =     0x137F; /* orig. minix */
	pub const MINIX_SUPER_MAGIC2 : FsType =    0x138F; /* 30 char minix */
	pub const MINIX2_SUPER_MAGIC : FsType =    0x2468; /* minix V2 */
	pub const MINIX2_SUPER_MAGIC2 : FsType =   0x2478; /* minix V2, 30 char names */
	pub const MSDOS_SUPER_MAGIC : FsType =     0x4d44;
	pub const NCP_SUPER_MAGIC : FsType =       0x564c;
	pub const NFS_SUPER_MAGIC : FsType =       0x6969;
	pub const NTFS_SB_MAGIC : FsType =         0x5346544e;
	pub const OPENPROM_SUPER_MAGIC : FsType =  0x9fa1;
	pub const PROC_SUPER_MAGIC : FsType =      0x9fa0;
	pub const QNX4_SUPER_MAGIC : FsType =      0x002f;
	pub const REISERFS_SUPER_MAGIC : FsType =  0x52654973;
	pub const ROMFS_MAGIC : FsType =           0x7275;
	pub const SMB_SUPER_MAGIC : FsType =       0x517B;
	pub const SYSV2_SUPER_MAGIC : FsType =     0x012FF7B6;
	pub const SYSV4_SUPER_MAGIC : FsType =     0x012FF7B5;
	pub const TMPFS_MAGIC : FsType =           0x01021994;
	pub const UDF_SUPER_MAGIC : FsType =       0x15013346;
	pub const UFS_MAGIC : FsType =             0x00011954;
	pub const USBDEVICE_SUPER_MAGIC : FsType = 0x9fa2;
	pub const VXFS_SUPER_MAGIC : FsType =      0xa501FCF5;
	pub const XENIX_SUPER_MAGIC : FsType =     0x012FF7B4;
	pub const XFS_SUPER_MAGIC : FsType =       0x58465342;
	pub const _XIAFS_SUPER_MAGIC : FsType =    0x012FD16D;
}

mod ffi {
	use libc::{c_int,c_char};
	use sys::statfs::vfs;

	extern {
		pub fn statfs(path: * const c_char, buf: *mut vfs::Statfs) -> c_int;
		pub fn fstatfs(fd: c_int, buf: *mut vfs::Statfs) -> c_int;
	}
}

pub fn statfs<P: ?Sized + NixPath>(path: &P, stat: &mut vfs::Statfs) -> Result<()> {
	unsafe {
		Errno::clear();
		let res = try!(
			path.with_nix_path(|path| ffi::statfs(path.as_ptr(), stat))
		);
		from_ffi(res)
	}
}

pub fn fstatfs<T: AsRawFd>(fd: &T, stat: &mut vfs::Statfs) -> Result<()> {
	unsafe {
		Errno::clear();
		from_ffi(ffi::fstatfs(fd.as_raw_fd(), stat))
	}
}