diff options
Diffstat (limited to 'vendor/nix/src/sys/stat.rs')
| -rw-r--r-- | vendor/nix/src/sys/stat.rs | 480 |
1 files changed, 0 insertions, 480 deletions
diff --git a/vendor/nix/src/sys/stat.rs b/vendor/nix/src/sys/stat.rs deleted file mode 100644 index 78203bfbe..000000000 --- a/vendor/nix/src/sys/stat.rs +++ /dev/null @@ -1,480 +0,0 @@ -#[cfg(any(target_os = "macos", target_os = "ios", target_os = "openbsd"))] -pub use libc::c_uint; -#[cfg(any( - target_os = "netbsd", - target_os = "freebsd", - target_os = "dragonfly" -))] -pub use libc::c_ulong; -pub use libc::stat as FileStat; -pub use libc::{dev_t, mode_t}; - -#[cfg(not(target_os = "redox"))] -use crate::fcntl::{at_rawfd, AtFlags}; -use crate::sys::time::{TimeSpec, TimeVal}; -use crate::{errno::Errno, NixPath, Result}; -use std::mem; -use std::os::unix::io::RawFd; - -libc_bitflags!( - /// "File type" flags for `mknod` and related functions. - pub struct SFlag: mode_t { - S_IFIFO; - S_IFCHR; - S_IFDIR; - S_IFBLK; - S_IFREG; - S_IFLNK; - S_IFSOCK; - S_IFMT; - } -); - -libc_bitflags! { - /// "File mode / permissions" flags. - pub struct Mode: mode_t { - /// Read, write and execute for owner. - S_IRWXU; - /// Read for owner. - S_IRUSR; - /// Write for owner. - S_IWUSR; - /// Execute for owner. - S_IXUSR; - /// Read write and execute for group. - S_IRWXG; - /// Read fr group. - S_IRGRP; - /// Write for group. - S_IWGRP; - /// Execute for group. - S_IXGRP; - /// Read, write and execute for other. - S_IRWXO; - /// Read for other. - S_IROTH; - /// Write for other. - S_IWOTH; - /// Execute for other. - S_IXOTH; - /// Set user id on execution. - S_ISUID as mode_t; - /// Set group id on execution. - S_ISGID as mode_t; - S_ISVTX as mode_t; - } -} - -#[cfg(any(target_os = "macos", target_os = "ios", target_os = "openbsd"))] -pub type type_of_file_flag = c_uint; -#[cfg(any( - target_os = "netbsd", - target_os = "freebsd", - target_os = "dragonfly" -))] -pub type type_of_file_flag = c_ulong; - -#[cfg(any( - target_os = "openbsd", - target_os = "netbsd", - target_os = "freebsd", - target_os = "dragonfly", - target_os = "macos", - target_os = "ios" -))] -libc_bitflags! { - /// File flags. - #[cfg_attr(docsrs, doc(cfg(all())))] - pub struct FileFlag: type_of_file_flag { - /// The file may only be appended to. - SF_APPEND; - /// The file has been archived. - SF_ARCHIVED; - #[cfg(any(target_os = "dragonfly"))] - SF_CACHE; - /// The file may not be changed. - SF_IMMUTABLE; - /// Indicates a WAPBL journal file. - #[cfg(any(target_os = "netbsd"))] - SF_LOG; - /// Do not retain history for file - #[cfg(any(target_os = "dragonfly"))] - SF_NOHISTORY; - /// The file may not be renamed or deleted. - #[cfg(any(target_os = "freebsd", target_os = "dragonfly"))] - SF_NOUNLINK; - /// Mask of superuser changeable flags - SF_SETTABLE; - /// Snapshot is invalid. - #[cfg(any(target_os = "netbsd"))] - SF_SNAPINVAL; - /// The file is a snapshot file. - #[cfg(any(target_os = "netbsd", target_os = "freebsd"))] - SF_SNAPSHOT; - #[cfg(any(target_os = "dragonfly"))] - SF_XLINK; - /// The file may only be appended to. - UF_APPEND; - /// The file needs to be archived. - #[cfg(any(target_os = "freebsd"))] - UF_ARCHIVE; - #[cfg(any(target_os = "dragonfly"))] - UF_CACHE; - /// File is compressed at the file system level. - #[cfg(any(target_os = "macos", target_os = "ios"))] - UF_COMPRESSED; - /// The file may be hidden from directory listings at the application's - /// discretion. - #[cfg(any( - target_os = "freebsd", - target_os = "macos", - target_os = "ios", - ))] - UF_HIDDEN; - /// The file may not be changed. - UF_IMMUTABLE; - /// Do not dump the file. - UF_NODUMP; - #[cfg(any(target_os = "dragonfly"))] - UF_NOHISTORY; - /// The file may not be renamed or deleted. - #[cfg(any(target_os = "freebsd", target_os = "dragonfly"))] - UF_NOUNLINK; - /// The file is offline, or has the Windows and CIFS - /// `FILE_ATTRIBUTE_OFFLINE` attribute. - #[cfg(any(target_os = "freebsd"))] - UF_OFFLINE; - /// The directory is opaque when viewed through a union stack. - UF_OPAQUE; - /// The file is read only, and may not be written or appended. - #[cfg(any(target_os = "freebsd"))] - UF_READONLY; - /// The file contains a Windows reparse point. - #[cfg(any(target_os = "freebsd"))] - UF_REPARSE; - /// Mask of owner changeable flags. - UF_SETTABLE; - /// The file has the Windows `FILE_ATTRIBUTE_SPARSE_FILE` attribute. - #[cfg(any(target_os = "freebsd"))] - UF_SPARSE; - /// The file has the DOS, Windows and CIFS `FILE_ATTRIBUTE_SYSTEM` - /// attribute. - #[cfg(any(target_os = "freebsd"))] - UF_SYSTEM; - /// File renames and deletes are tracked. - #[cfg(any(target_os = "macos", target_os = "ios"))] - UF_TRACKED; - #[cfg(any(target_os = "dragonfly"))] - UF_XLINK; - } -} - -/// Create a special or ordinary file, by pathname. -pub fn mknod<P: ?Sized + NixPath>( - path: &P, - kind: SFlag, - perm: Mode, - dev: dev_t, -) -> Result<()> { - let res = path.with_nix_path(|cstr| unsafe { - libc::mknod(cstr.as_ptr(), kind.bits | perm.bits() as mode_t, dev) - })?; - - Errno::result(res).map(drop) -} - -/// Create a special or ordinary file, relative to a given directory. -#[cfg(not(any( - target_os = "ios", - target_os = "macos", - target_os = "redox", - target_os = "haiku" -)))] -#[cfg_attr(docsrs, doc(cfg(all())))] -pub fn mknodat<P: ?Sized + NixPath>( - dirfd: RawFd, - path: &P, - kind: SFlag, - perm: Mode, - dev: dev_t, -) -> Result<()> { - let res = path.with_nix_path(|cstr| unsafe { - libc::mknodat( - dirfd, - cstr.as_ptr(), - kind.bits | perm.bits() as mode_t, - dev, - ) - })?; - - Errno::result(res).map(drop) -} - -#[cfg(target_os = "linux")] -#[cfg_attr(docsrs, doc(cfg(all())))] -pub const fn major(dev: dev_t) -> u64 { - ((dev >> 32) & 0xffff_f000) | ((dev >> 8) & 0x0000_0fff) -} - -#[cfg(target_os = "linux")] -#[cfg_attr(docsrs, doc(cfg(all())))] -pub const fn minor(dev: dev_t) -> u64 { - ((dev >> 12) & 0xffff_ff00) | ((dev) & 0x0000_00ff) -} - -#[cfg(target_os = "linux")] -#[cfg_attr(docsrs, doc(cfg(all())))] -pub const fn makedev(major: u64, minor: u64) -> dev_t { - ((major & 0xffff_f000) << 32) - | ((major & 0x0000_0fff) << 8) - | ((minor & 0xffff_ff00) << 12) - | (minor & 0x0000_00ff) -} - -pub fn umask(mode: Mode) -> Mode { - let prev = unsafe { libc::umask(mode.bits() as mode_t) }; - Mode::from_bits(prev).expect("[BUG] umask returned invalid Mode") -} - -pub fn stat<P: ?Sized + NixPath>(path: &P) -> Result<FileStat> { - let mut dst = mem::MaybeUninit::uninit(); - let res = path.with_nix_path(|cstr| unsafe { - libc::stat(cstr.as_ptr(), dst.as_mut_ptr()) - })?; - - Errno::result(res)?; - - Ok(unsafe { dst.assume_init() }) -} - -pub fn lstat<P: ?Sized + NixPath>(path: &P) -> Result<FileStat> { - let mut dst = mem::MaybeUninit::uninit(); - let res = path.with_nix_path(|cstr| unsafe { - libc::lstat(cstr.as_ptr(), dst.as_mut_ptr()) - })?; - - Errno::result(res)?; - - Ok(unsafe { dst.assume_init() }) -} - -pub fn fstat(fd: RawFd) -> Result<FileStat> { - let mut dst = mem::MaybeUninit::uninit(); - let res = unsafe { libc::fstat(fd, dst.as_mut_ptr()) }; - - Errno::result(res)?; - - Ok(unsafe { dst.assume_init() }) -} - -#[cfg(not(target_os = "redox"))] -#[cfg_attr(docsrs, doc(cfg(all())))] -pub fn fstatat<P: ?Sized + NixPath>( - dirfd: RawFd, - pathname: &P, - f: AtFlags, -) -> Result<FileStat> { - let mut dst = mem::MaybeUninit::uninit(); - let res = pathname.with_nix_path(|cstr| unsafe { - libc::fstatat( - dirfd, - cstr.as_ptr(), - dst.as_mut_ptr(), - f.bits() as libc::c_int, - ) - })?; - - Errno::result(res)?; - - Ok(unsafe { dst.assume_init() }) -} - -/// Change the file permission bits of the file specified by a file descriptor. -/// -/// # References -/// -/// [fchmod(2)](https://pubs.opengroup.org/onlinepubs/9699919799/functions/fchmod.html). -pub fn fchmod(fd: RawFd, mode: Mode) -> Result<()> { - let res = unsafe { libc::fchmod(fd, mode.bits() as mode_t) }; - - Errno::result(res).map(drop) -} - -/// Flags for `fchmodat` function. -#[derive(Clone, Copy, Debug)] -pub enum FchmodatFlags { - FollowSymlink, - NoFollowSymlink, -} - -/// Change the file permission bits. -/// -/// The file to be changed is determined relative to the directory associated -/// with the file descriptor `dirfd` or the current working directory -/// if `dirfd` is `None`. -/// -/// If `flag` is `FchmodatFlags::NoFollowSymlink` and `path` names a symbolic link, -/// then the mode of the symbolic link is changed. -/// -/// `fchmodat(None, path, mode, FchmodatFlags::FollowSymlink)` is identical to -/// a call `libc::chmod(path, mode)`. That's why `chmod` is unimplemented -/// in the `nix` crate. -/// -/// # References -/// -/// [fchmodat(2)](https://pubs.opengroup.org/onlinepubs/9699919799/functions/fchmodat.html). -#[cfg(not(target_os = "redox"))] -#[cfg_attr(docsrs, doc(cfg(all())))] -pub fn fchmodat<P: ?Sized + NixPath>( - dirfd: Option<RawFd>, - path: &P, - mode: Mode, - flag: FchmodatFlags, -) -> Result<()> { - let atflag = match flag { - FchmodatFlags::FollowSymlink => AtFlags::empty(), - FchmodatFlags::NoFollowSymlink => AtFlags::AT_SYMLINK_NOFOLLOW, - }; - let res = path.with_nix_path(|cstr| unsafe { - libc::fchmodat( - at_rawfd(dirfd), - cstr.as_ptr(), - mode.bits() as mode_t, - atflag.bits() as libc::c_int, - ) - })?; - - Errno::result(res).map(drop) -} - -/// Change the access and modification times of a file. -/// -/// `utimes(path, times)` is identical to -/// `utimensat(None, path, times, UtimensatFlags::FollowSymlink)`. The former -/// is a deprecated API so prefer using the latter if the platforms you care -/// about support it. -/// -/// # References -/// -/// [utimes(2)](https://pubs.opengroup.org/onlinepubs/9699919799/functions/utimes.html). -pub fn utimes<P: ?Sized + NixPath>( - path: &P, - atime: &TimeVal, - mtime: &TimeVal, -) -> Result<()> { - let times: [libc::timeval; 2] = [*atime.as_ref(), *mtime.as_ref()]; - let res = path.with_nix_path(|cstr| unsafe { - libc::utimes(cstr.as_ptr(), ×[0]) - })?; - - Errno::result(res).map(drop) -} - -/// Change the access and modification times of a file without following symlinks. -/// -/// `lutimes(path, times)` is identical to -/// `utimensat(None, path, times, UtimensatFlags::NoFollowSymlink)`. The former -/// is a deprecated API so prefer using the latter if the platforms you care -/// about support it. -/// -/// # References -/// -/// [lutimes(2)](https://pubs.opengroup.org/onlinepubs/9699919799/functions/lutimes.html). -#[cfg(any( - target_os = "linux", - target_os = "haiku", - target_os = "ios", - target_os = "macos", - target_os = "freebsd", - target_os = "netbsd" -))] -#[cfg_attr(docsrs, doc(cfg(all())))] -pub fn lutimes<P: ?Sized + NixPath>( - path: &P, - atime: &TimeVal, - mtime: &TimeVal, -) -> Result<()> { - let times: [libc::timeval; 2] = [*atime.as_ref(), *mtime.as_ref()]; - let res = path.with_nix_path(|cstr| unsafe { - libc::lutimes(cstr.as_ptr(), ×[0]) - })?; - - Errno::result(res).map(drop) -} - -/// Change the access and modification times of the file specified by a file descriptor. -/// -/// # References -/// -/// [futimens(2)](https://pubs.opengroup.org/onlinepubs/9699919799/functions/futimens.html). -#[inline] -pub fn futimens(fd: RawFd, atime: &TimeSpec, mtime: &TimeSpec) -> Result<()> { - let times: [libc::timespec; 2] = [*atime.as_ref(), *mtime.as_ref()]; - let res = unsafe { libc::futimens(fd, ×[0]) }; - - Errno::result(res).map(drop) -} - -/// Flags for `utimensat` function. -// TODO: replace with fcntl::AtFlags -#[derive(Clone, Copy, Debug)] -pub enum UtimensatFlags { - FollowSymlink, - NoFollowSymlink, -} - -/// Change the access and modification times of a file. -/// -/// The file to be changed is determined relative to the directory associated -/// with the file descriptor `dirfd` or the current working directory -/// if `dirfd` is `None`. -/// -/// If `flag` is `UtimensatFlags::NoFollowSymlink` and `path` names a symbolic link, -/// then the mode of the symbolic link is changed. -/// -/// `utimensat(None, path, times, UtimensatFlags::FollowSymlink)` is identical to -/// `utimes(path, times)`. The latter is a deprecated API so prefer using the -/// former if the platforms you care about support it. -/// -/// # References -/// -/// [utimensat(2)](https://pubs.opengroup.org/onlinepubs/9699919799/functions/utimens.html). -#[cfg(not(target_os = "redox"))] -#[cfg_attr(docsrs, doc(cfg(all())))] -pub fn utimensat<P: ?Sized + NixPath>( - dirfd: Option<RawFd>, - path: &P, - atime: &TimeSpec, - mtime: &TimeSpec, - flag: UtimensatFlags, -) -> Result<()> { - let atflag = match flag { - UtimensatFlags::FollowSymlink => AtFlags::empty(), - UtimensatFlags::NoFollowSymlink => AtFlags::AT_SYMLINK_NOFOLLOW, - }; - let times: [libc::timespec; 2] = [*atime.as_ref(), *mtime.as_ref()]; - let res = path.with_nix_path(|cstr| unsafe { - libc::utimensat( - at_rawfd(dirfd), - cstr.as_ptr(), - ×[0], - atflag.bits() as libc::c_int, - ) - })?; - - Errno::result(res).map(drop) -} - -#[cfg(not(target_os = "redox"))] -#[cfg_attr(docsrs, doc(cfg(all())))] -pub fn mkdirat<P: ?Sized + NixPath>( - fd: RawFd, - path: &P, - mode: Mode, -) -> Result<()> { - let res = path.with_nix_path(|cstr| unsafe { - libc::mkdirat(fd, cstr.as_ptr(), mode.bits() as mode_t) - })?; - - Errno::result(res).map(drop) -} |