Files
Odin/core/os/stat_wasi.odin
2026-02-09 16:27:53 +01:00

104 lines
2.5 KiB
Odin

#+private
package os
import "base:runtime"
import "core:sys/wasm/wasi"
import "core:time"
internal_stat :: proc(stat: wasi.filestat_t, fullpath: string) -> (fi: File_Info) {
fi.fullpath = fullpath
_, fi.name = split_path(fi.fullpath)
fi.inode = u128(stat.ino)
fi.size = i64(stat.size)
switch stat.filetype {
case .BLOCK_DEVICE: fi.type = .Block_Device
case .CHARACTER_DEVICE: fi.type = .Character_Device
case .DIRECTORY: fi.type = .Directory
case .REGULAR_FILE: fi.type = .Regular
case .SOCKET_DGRAM, .SOCKET_STREAM: fi.type = .Socket
case .SYMBOLIC_LINK: fi.type = .Symlink
case .UNKNOWN: fi.type = .Undetermined
case: fi.type = .Undetermined
}
fi.creation_time = time.Time{_nsec=i64(stat.ctim)}
fi.modification_time = time.Time{_nsec=i64(stat.mtim)}
fi.access_time = time.Time{_nsec=i64(stat.atim)}
return
}
_fstat :: proc(f: ^File, allocator: runtime.Allocator) -> (fi: File_Info, err: Error) {
if f == nil || f.impl == nil {
err = .Invalid_File
return
}
impl := (^File_Impl)(f.impl)
stat, _err := wasi.fd_filestat_get(__fd(f))
if _err != nil {
err = _get_platform_error(_err)
return
}
fullpath := clone_string(impl.name, allocator) or_return
return internal_stat(stat, fullpath), nil
}
_stat :: proc(name: string, allocator: runtime.Allocator) -> (fi: File_Info, err: Error) {
if name == "" {
err = .Invalid_Path
return
}
dir_fd, relative, ok := match_preopen(name)
if !ok {
err = .Invalid_Path
return
}
stat, _err := wasi.path_filestat_get(dir_fd, {.SYMLINK_FOLLOW}, relative)
if _err != nil {
err = _get_platform_error(_err)
return
}
// NOTE: wasi doesn't really do full paths afact.
fullpath := clone_string(name, allocator) or_return
return internal_stat(stat, fullpath), nil
}
_lstat :: proc(name: string, allocator: runtime.Allocator) -> (fi: File_Info, err: Error) {
if name == "" {
err = .Invalid_Path
return
}
dir_fd, relative, ok := match_preopen(name)
if !ok {
err = .Invalid_Path
return
}
stat, _err := wasi.path_filestat_get(dir_fd, {}, relative)
if _err != nil {
err = _get_platform_error(_err)
return
}
// NOTE: wasi doesn't really do full paths afact.
fullpath := clone_string(name, allocator) or_return
return internal_stat(stat, fullpath), nil
}
_same_file :: proc(fi1, fi2: File_Info) -> bool {
return fi1.fullpath == fi2.fullpath
}
_is_reserved_name :: proc(path: string) -> bool {
return false
}