diff options
Diffstat (limited to 'lib/std/fs')
| -rw-r--r-- | lib/std/fs/file.zig | 101 |
1 files changed, 54 insertions, 47 deletions
diff --git a/lib/std/fs/file.zig b/lib/std/fs/file.zig index a1e81c9b94..cb048adb30 100644 --- a/lib/std/fs/file.zig +++ b/lib/std/fs/file.zig @@ -294,14 +294,17 @@ pub const File = struct { } pub const Stat = struct { - /// A number that the system uses to point to the file metadata. This number is not guaranteed to be - /// unique across time, as some file systems may reuse an inode after its file has been deleted. - /// Some systems may change the inode of a file over time. + /// A number that the system uses to point to the file metadata. This + /// number is not guaranteed to be unique across time, as some file + /// systems may reuse an inode after its file has been deleted. Some + /// systems may change the inode of a file over time. /// - /// On Linux, the inode is a structure that stores the metadata, and the inode _number_ is what - /// you see here: the index number of the inode. + /// On Linux, the inode is a structure that stores the metadata, and + /// the inode _number_ is what you see here: the index number of the + /// inode. /// - /// The FileIndex on Windows is similar. It is a number for a file that is unique to each filesystem. + /// The FileIndex on Windows is similar. It is a number for a file that + /// is unique to each filesystem. inode: INode, size: u64, mode: Mode, @@ -313,6 +316,50 @@ pub const File = struct { mtime: i128, /// Creation time in nanoseconds, relative to UTC 1970-01-01. ctime: i128, + + pub fn fromSystem(st: os.system.Stat) Stat { + const atime = st.atime(); + const mtime = st.mtime(); + const ctime = st.ctime(); + const kind: Kind = if (builtin.os.tag == .wasi and !builtin.link_libc) switch (st.filetype) { + .BLOCK_DEVICE => Kind.BlockDevice, + .CHARACTER_DEVICE => Kind.CharacterDevice, + .DIRECTORY => Kind.Directory, + .SYMBOLIC_LINK => Kind.SymLink, + .REGULAR_FILE => Kind.File, + .SOCKET_STREAM, .SOCKET_DGRAM => Kind.UnixDomainSocket, + else => Kind.Unknown, + } else blk: { + const m = st.mode & os.S.IFMT; + switch (m) { + os.S.IFBLK => break :blk Kind.BlockDevice, + os.S.IFCHR => break :blk Kind.CharacterDevice, + os.S.IFDIR => break :blk Kind.Directory, + os.S.IFIFO => break :blk Kind.NamedPipe, + os.S.IFLNK => break :blk Kind.SymLink, + os.S.IFREG => break :blk Kind.File, + os.S.IFSOCK => break :blk Kind.UnixDomainSocket, + else => {}, + } + if (builtin.os.tag == .solaris) switch (m) { + os.S.IFDOOR => break :blk Kind.Door, + os.S.IFPORT => break :blk Kind.EventPort, + else => {}, + }; + + break :blk .Unknown; + }; + + return Stat{ + .inode = st.ino, + .size = @bitCast(u64, st.size), + .mode = st.mode, + .kind = kind, + .atime = @as(i128, atime.tv_sec) * std.time.ns_per_s + atime.tv_nsec, + .mtime = @as(i128, mtime.tv_sec) * std.time.ns_per_s + mtime.tv_nsec, + .ctime = @as(i128, ctime.tv_sec) * std.time.ns_per_s + ctime.tv_nsec, + }; + } }; pub const StatError = os.FStatError; @@ -342,47 +389,7 @@ pub const File = struct { } const st = try os.fstat(self.handle); - const atime = st.atime(); - const mtime = st.mtime(); - const ctime = st.ctime(); - const kind: Kind = if (builtin.os.tag == .wasi and !builtin.link_libc) switch (st.filetype) { - .BLOCK_DEVICE => Kind.BlockDevice, - .CHARACTER_DEVICE => Kind.CharacterDevice, - .DIRECTORY => Kind.Directory, - .SYMBOLIC_LINK => Kind.SymLink, - .REGULAR_FILE => Kind.File, - .SOCKET_STREAM, .SOCKET_DGRAM => Kind.UnixDomainSocket, - else => Kind.Unknown, - } else blk: { - const m = st.mode & os.S.IFMT; - switch (m) { - os.S.IFBLK => break :blk Kind.BlockDevice, - os.S.IFCHR => break :blk Kind.CharacterDevice, - os.S.IFDIR => break :blk Kind.Directory, - os.S.IFIFO => break :blk Kind.NamedPipe, - os.S.IFLNK => break :blk Kind.SymLink, - os.S.IFREG => break :blk Kind.File, - os.S.IFSOCK => break :blk Kind.UnixDomainSocket, - else => {}, - } - if (builtin.os.tag == .solaris) switch (m) { - os.S.IFDOOR => break :blk Kind.Door, - os.S.IFPORT => break :blk Kind.EventPort, - else => {}, - }; - - break :blk .Unknown; - }; - - return Stat{ - .inode = st.ino, - .size = @bitCast(u64, st.size), - .mode = st.mode, - .kind = kind, - .atime = @as(i128, atime.tv_sec) * std.time.ns_per_s + atime.tv_nsec, - .mtime = @as(i128, mtime.tv_sec) * std.time.ns_per_s + mtime.tv_nsec, - .ctime = @as(i128, ctime.tv_sec) * std.time.ns_per_s + ctime.tv_nsec, - }; + return Stat.fromSystem(st); } pub const ChmodError = std.os.FChmodError; |