diff options
author | Alexander Polakov <plhk@sdf.org> | 2015-09-17 19:11:58 +0300 |
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committer | Carl Lerche <me@carllerche.com> | 2015-09-28 14:43:17 -0700 |
commit | bdaee6bd8ac4eb7ed0906233e0f073cabbf0dd3f (patch) | |
tree | 34aaedf83e8fb32ce32d4bbeac8aec138f5d1905 /src/sys/statfs.rs | |
parent | c17d5b32a77e49bc2c53b21f25a7ebf9be607cba (diff) | |
download | nix-bdaee6bd8ac4eb7ed0906233e0f073cabbf0dd3f.zip |
statfs() & fstatfs()
Diffstat (limited to 'src/sys/statfs.rs')
-rw-r--r-- | src/sys/statfs.rs | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/src/sys/statfs.rs b/src/sys/statfs.rs new file mode 100644 index 00000000..6c4c10e1 --- /dev/null +++ b/src/sys/statfs.rs @@ -0,0 +1,116 @@ +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)) + } +} |