| //! Filesystem API constants, translated into `bitflags` constants. |
| |
| use crate::backend; |
| |
| pub use crate::timespec::{Nsecs, Secs, Timespec}; |
| pub use backend::fs::types::*; |
| |
| impl FileType { |
| /// Returns `true` if this `FileType` is a regular file. |
| pub fn is_file(self) -> bool { |
| self == Self::RegularFile |
| } |
| |
| /// Returns `true` if this `FileType` is a directory. |
| pub fn is_dir(self) -> bool { |
| self == Self::Directory |
| } |
| |
| /// Returns `true` if this `FileType` is a symlink. |
| pub fn is_symlink(self) -> bool { |
| self == Self::Symlink |
| } |
| |
| /// Returns `true` if this `FileType` is a fifo. |
| #[cfg(not(target_os = "wasi"))] |
| pub fn is_fifo(self) -> bool { |
| self == Self::Fifo |
| } |
| |
| /// Returns `true` if this `FileType` is a socket. |
| #[cfg(not(target_os = "wasi"))] |
| pub fn is_socket(self) -> bool { |
| self == Self::Socket |
| } |
| |
| /// Returns `true` if this `FileType` is a character device. |
| pub fn is_char_device(self) -> bool { |
| self == Self::CharacterDevice |
| } |
| |
| /// Returns `true` if this `FileType` is a block device. |
| pub fn is_block_device(self) -> bool { |
| self == Self::BlockDevice |
| } |
| } |
| |
| #[cfg(test)] |
| #[allow(unused_imports)] |
| #[allow(unsafe_code)] |
| mod tests { |
| use super::*; |
| use crate::backend::c; |
| // Rust's libc crate lacks statx for Non-glibc targets. |
| #[cfg(all(target_os = "linux", target_env = "gnu"))] |
| use crate::fs::{Statx, StatxTimestamp}; |
| |
| #[test] |
| fn test_layouts() { |
| #[cfg(linux_raw_dep)] |
| assert_eq_size!(FsWord, linux_raw_sys::general::__fsword_t); |
| |
| // Don't test against `__kernel_mode_t` on platforms where it's a |
| // `u16`. |
| #[cfg(linux_raw_dep)] |
| #[cfg(not(any( |
| target_arch = "x86", |
| target_arch = "sparc", |
| target_arch = "avr", |
| target_arch = "arm", |
| )))] |
| assert_eq_size!(RawMode, linux_raw_sys::general::__kernel_mode_t); |
| |
| #[cfg(linux_raw_dep)] |
| #[cfg(any( |
| target_arch = "x86", |
| target_arch = "sparc", |
| target_arch = "avr", |
| target_arch = "arm", |
| ))] |
| assert_eq_size!(u16, linux_raw_sys::general::__kernel_mode_t); |
| |
| let some_stat: Stat = unsafe { core::mem::zeroed() }; |
| |
| // Ensure that seconds fields are 64-bit on non-y2038-bug platforms, and |
| // on Linux where we use statx. |
| #[cfg(any(linux_kernel, not(fix_y2038)))] |
| { |
| assert_eq!(some_stat.st_atime, 0_i64); |
| assert_eq!(some_stat.st_mtime, 0_i64); |
| assert_eq!(some_stat.st_ctime, 0_i64); |
| } |
| |
| // Ensure that file offsets are 64-bit. |
| assert_eq!(some_stat.st_size, 0_i64); |
| |
| // Check that various fields match expected types. |
| assert_eq!(some_stat.st_mode, 0 as RawMode); |
| assert_eq!(some_stat.st_dev, 0 as Dev); |
| assert_eq!(some_stat.st_rdev, 0 as Dev); |
| assert_eq!(some_stat.st_uid, 0 as crate::ugid::RawUid); |
| assert_eq!(some_stat.st_gid, 0 as crate::ugid::RawGid); |
| |
| // `Stat` should match `c::stat` or `c::stat64` unless we need y2038 |
| // fixes and are using a different layout. |
| #[cfg(not(any( |
| all(libc, linux_kernel, target_pointer_width = "32"), |
| all( |
| linux_raw, |
| any( |
| target_pointer_width = "32", |
| target_arch = "mips64", |
| target_arch = "mips64r6" |
| ) |
| ) |
| )))] |
| { |
| // Check that `Stat` matches `c::stat`. |
| #[cfg(not(all( |
| libc, |
| any( |
| all(linux_kernel, target_pointer_width = "64"), |
| target_os = "hurd", |
| target_os = "emscripten", |
| target_os = "l4re", |
| ) |
| )))] |
| { |
| check_renamed_type!(Stat, stat); |
| check_renamed_struct_field!(Stat, stat, st_dev); |
| check_renamed_struct_field!(Stat, stat, st_ino); |
| check_renamed_struct_field!(Stat, stat, st_nlink); |
| check_renamed_struct_field!(Stat, stat, st_mode); |
| check_renamed_struct_field!(Stat, stat, st_uid); |
| check_renamed_struct_field!(Stat, stat, st_gid); |
| #[cfg(all( |
| linux_raw, |
| not(any( |
| target_arch = "aarch64", |
| target_arch = "powerpc64", |
| target_arch = "riscv64", |
| target_arch = "s390x" |
| )) |
| ))] |
| check_renamed_struct_field!(Stat, stat, __pad0); |
| check_renamed_struct_field!(Stat, stat, st_rdev); |
| #[cfg(all(linux_raw, not(any(target_arch = "powerpc64", target_arch = "x86_64"))))] |
| check_renamed_struct_field!(Stat, stat, __pad1); |
| check_renamed_struct_field!(Stat, stat, st_size); |
| check_renamed_struct_field!(Stat, stat, st_blksize); |
| #[cfg(all( |
| linux_raw, |
| not(any( |
| target_arch = "powerpc64", |
| target_arch = "s390x", |
| target_arch = "x86_64" |
| )) |
| ))] |
| check_renamed_struct_field!(Stat, stat, __pad2); |
| check_renamed_struct_field!(Stat, stat, st_blocks); |
| check_renamed_struct_field!(Stat, stat, st_atime); |
| #[cfg(not(target_os = "netbsd"))] |
| check_renamed_struct_field!(Stat, stat, st_atime_nsec); |
| #[cfg(target_os = "netbsd")] |
| check_renamed_struct_renamed_field!(Stat, stat, st_atime_nsec, st_atimensec); |
| check_renamed_struct_field!(Stat, stat, st_mtime); |
| #[cfg(not(target_os = "netbsd"))] |
| check_renamed_struct_field!(Stat, stat, st_mtime_nsec); |
| #[cfg(target_os = "netbsd")] |
| check_renamed_struct_renamed_field!(Stat, stat, st_mtime_nsec, st_mtimensec); |
| check_renamed_struct_field!(Stat, stat, st_ctime); |
| #[cfg(not(target_os = "netbsd"))] |
| check_renamed_struct_field!(Stat, stat, st_ctime_nsec); |
| #[cfg(target_os = "netbsd")] |
| check_renamed_struct_renamed_field!(Stat, stat, st_ctime_nsec, st_ctimensec); |
| #[cfg(all( |
| linux_raw, |
| not(any( |
| target_arch = "aarch64", |
| target_arch = "powerpc64", |
| target_arch = "riscv64" |
| )) |
| ))] |
| check_renamed_struct_field!(Stat, stat, __unused); |
| #[cfg(all(linux_raw, not(any(target_arch = "s390x", target_arch = "x86_64"))))] |
| check_renamed_struct_field!(Stat, stat, __unused4); |
| #[cfg(all(linux_raw, not(any(target_arch = "s390x", target_arch = "x86_64"))))] |
| check_renamed_struct_field!(Stat, stat, __unused5); |
| #[cfg(all( |
| linux_raw, |
| not(any( |
| target_arch = "aarch64", |
| target_arch = "riscv64", |
| target_arch = "s390x", |
| target_arch = "x86_64" |
| )) |
| ))] |
| check_renamed_struct_field!(Stat, stat, __unused6); |
| } |
| |
| // Check that `Stat` matches `c::stat64`. |
| #[cfg(all( |
| libc, |
| any( |
| all(linux_kernel, target_pointer_width = "64"), |
| target_os = "hurd", |
| target_os = "emscripten", |
| target_os = "l4re", |
| ) |
| ))] |
| { |
| check_renamed_type!(Stat, stat64); |
| check_renamed_struct_field!(Stat, stat64, st_dev); |
| check_renamed_struct_field!(Stat, stat64, st_ino); |
| check_renamed_struct_field!(Stat, stat64, st_nlink); |
| check_renamed_struct_field!(Stat, stat64, st_mode); |
| check_renamed_struct_field!(Stat, stat64, st_uid); |
| check_renamed_struct_field!(Stat, stat64, st_gid); |
| #[cfg(all( |
| linux_raw, |
| not(any( |
| target_arch = "aarch64", |
| target_arch = "powerpc64", |
| target_arch = "riscv64", |
| target_arch = "s390x" |
| )) |
| ))] |
| check_renamed_struct_field!(Stat, stat64, __pad0); |
| check_renamed_struct_field!(Stat, stat64, st_rdev); |
| #[cfg(all(linux_raw, not(any(target_arch = "powerpc64", target_arch = "x86_64"))))] |
| check_renamed_struct_field!(Stat, stat64, __pad1); |
| check_renamed_struct_field!(Stat, stat64, st_size); |
| check_renamed_struct_field!(Stat, stat64, st_blksize); |
| #[cfg(all( |
| linux_raw, |
| not(any( |
| target_arch = "powerpc64", |
| target_arch = "s390x", |
| target_arch = "x86_64" |
| )) |
| ))] |
| check_renamed_struct_field!(Stat, stat64, __pad2); |
| check_renamed_struct_field!(Stat, stat64, st_blocks); |
| check_renamed_struct_field!(Stat, stat64, st_atime); |
| check_renamed_struct_field!(Stat, stat64, st_atime_nsec); |
| check_renamed_struct_field!(Stat, stat64, st_mtime); |
| check_renamed_struct_field!(Stat, stat64, st_mtime_nsec); |
| check_renamed_struct_field!(Stat, stat64, st_ctime); |
| check_renamed_struct_field!(Stat, stat64, st_ctime_nsec); |
| #[cfg(all( |
| linux_raw, |
| not(any( |
| target_arch = "aarch64", |
| target_arch = "powerpc64", |
| target_arch = "riscv64" |
| )) |
| ))] |
| check_renamed_struct_field!(Stat, stat64, __unused); |
| #[cfg(all(linux_raw, not(any(target_arch = "s390x", target_arch = "x86_64"))))] |
| check_renamed_struct_field!(Stat, stat64, __unused4); |
| #[cfg(all(linux_raw, not(any(target_arch = "s390x", target_arch = "x86_64"))))] |
| check_renamed_struct_field!(Stat, stat64, __unused5); |
| #[cfg(all( |
| linux_raw, |
| not(any( |
| target_arch = "aarch64", |
| target_arch = "riscv64", |
| target_arch = "s390x", |
| target_arch = "x86_64" |
| )) |
| ))] |
| check_renamed_struct_field!(Stat, stat64, __unused6); |
| } |
| } |
| |
| #[cfg(not(any( |
| solarish, |
| target_os = "cygwin", |
| target_os = "haiku", |
| target_os = "nto", |
| target_os = "redox", |
| target_os = "wasi", |
| )))] |
| { |
| check_renamed_type!(Fsid, fsid_t); |
| #[cfg(not(libc))] // libc hides the `val` field |
| check_renamed_struct_field!(Fsid, fsid_t, val); |
| } |
| |
| #[cfg(linux_like)] |
| { |
| check_renamed_type!(StatFs, statfs64); |
| check_renamed_struct_field!(StatFs, statfs64, f_type); |
| check_renamed_struct_field!(StatFs, statfs64, f_bsize); |
| check_renamed_struct_field!(StatFs, statfs64, f_blocks); |
| check_renamed_struct_field!(StatFs, statfs64, f_bfree); |
| check_renamed_struct_field!(StatFs, statfs64, f_bavail); |
| check_renamed_struct_field!(StatFs, statfs64, f_files); |
| check_renamed_struct_field!(StatFs, statfs64, f_ffree); |
| check_renamed_struct_field!(StatFs, statfs64, f_fsid); |
| check_renamed_struct_field!(StatFs, statfs64, f_namelen); |
| check_renamed_struct_field!(StatFs, statfs64, f_frsize); |
| check_renamed_struct_field!(StatFs, statfs64, f_flags); |
| #[cfg(linux_raw)] |
| check_renamed_struct_field!(StatFs, statfs64, f_spare); |
| } |
| |
| // Rust's libc crate lacks statx for Non-glibc targets. |
| #[cfg(all(target_os = "linux", target_env = "gnu"))] |
| { |
| check_renamed_type!(StatxTimestamp, statx_timestamp); |
| check_renamed_struct_field!(StatxTimestamp, statx_timestamp, tv_sec); |
| check_renamed_struct_field!(StatxTimestamp, statx_timestamp, tv_nsec); |
| #[cfg(linux_raw)] |
| check_renamed_struct_field!(StatxTimestamp, statx_timestamp, __reserved); |
| |
| check_renamed_type!(Statx, statx); |
| check_renamed_struct_field!(Statx, statx, stx_mask); |
| check_renamed_struct_field!(Statx, statx, stx_blksize); |
| check_renamed_struct_field!(Statx, statx, stx_attributes); |
| check_renamed_struct_field!(Statx, statx, stx_nlink); |
| check_renamed_struct_field!(Statx, statx, stx_uid); |
| check_renamed_struct_field!(Statx, statx, stx_gid); |
| check_renamed_struct_field!(Statx, statx, stx_mode); |
| #[cfg(linux_raw)] |
| check_renamed_struct_field!(Statx, statx, __spare0); |
| check_renamed_struct_field!(Statx, statx, stx_ino); |
| check_renamed_struct_field!(Statx, statx, stx_size); |
| check_renamed_struct_field!(Statx, statx, stx_blocks); |
| check_renamed_struct_field!(Statx, statx, stx_attributes_mask); |
| check_renamed_struct_field!(Statx, statx, stx_atime); |
| check_renamed_struct_field!(Statx, statx, stx_btime); |
| check_renamed_struct_field!(Statx, statx, stx_ctime); |
| check_renamed_struct_field!(Statx, statx, stx_mtime); |
| check_renamed_struct_field!(Statx, statx, stx_rdev_major); |
| check_renamed_struct_field!(Statx, statx, stx_rdev_minor); |
| check_renamed_struct_field!(Statx, statx, stx_dev_major); |
| check_renamed_struct_field!(Statx, statx, stx_dev_minor); |
| check_renamed_struct_field!(Statx, statx, stx_mnt_id); |
| check_renamed_struct_field!(Statx, statx, stx_dio_mem_align); |
| check_renamed_struct_field!(Statx, statx, stx_dio_offset_align); |
| #[cfg(not(libc))] // not in libc yet |
| check_renamed_struct_field!(Statx, statx, stx_subvol); |
| #[cfg(not(libc))] // not in libc yet |
| check_renamed_struct_field!(Statx, statx, stx_atomic_write_unit_min); |
| #[cfg(not(libc))] // not in libc yet |
| check_renamed_struct_field!(Statx, statx, stx_atomic_write_unit_max); |
| #[cfg(not(libc))] // not in libc yet |
| check_renamed_struct_field!(Statx, statx, stx_atomic_write_segments_max); |
| #[cfg(linux_raw)] |
| check_renamed_struct_field!(Statx, statx, __spare1); |
| #[cfg(linux_raw)] |
| check_renamed_struct_field!(Statx, statx, __spare3); |
| } |
| } |
| } |
