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

121 lines
2.6 KiB
Odin

#+private
package os
import "base:runtime"
import "core:sync"
import "core:sys/wasm/wasi"
_Path_Separator :: '/'
_Path_Separator_String :: "/"
_Path_List_Separator :: ':'
_is_path_separator :: proc(c: byte) -> bool {
return c == _Path_Separator
}
_mkdir :: proc(name: string, perm: int) -> Error {
dir_fd, relative, ok := match_preopen(name)
if !ok {
return .Invalid_Path
}
return _get_platform_error(wasi.path_create_directory(dir_fd, relative))
}
_mkdir_all :: proc(path: string, perm: int) -> Error {
if path == "" {
return .Invalid_Path
}
temp_allocator := TEMP_ALLOCATOR_GUARD({})
if exists(path) {
return .Exist
}
clean_path := clean_path(path, temp_allocator) or_return
return internal_mkdir_all(clean_path)
internal_mkdir_all :: proc(path: string) -> Error {
dir, file := split_path(path)
if file != path && dir != "/" {
if len(dir) > 1 && dir[len(dir) - 1] == '/' {
dir = dir[:len(dir) - 1]
}
internal_mkdir_all(dir) or_return
}
err := _mkdir(path, 0)
if err == .Exist { err = nil }
return err
}
}
_remove_all :: proc(path: string) -> (err: Error) {
// PERF: this works, but wastes a bunch of memory using the read_directory_iterator API
// and using open instead of wasi fds directly.
{
dir := open(path) or_return
defer close(dir)
iter := read_directory_iterator_create(dir)
defer read_directory_iterator_destroy(&iter)
for fi in read_directory_iterator(&iter) {
_ = read_directory_iterator_error(&iter) or_break
if fi.type == .Directory {
_remove_all(fi.fullpath) or_return
} else {
remove(fi.fullpath) or_return
}
}
_ = read_directory_iterator_error(&iter) or_return
}
return remove(path)
}
g_wd: string
g_wd_mutex: sync.Mutex
_get_working_directory :: proc(allocator: runtime.Allocator) -> (dir: string, err: Error) {
sync.guard(&g_wd_mutex)
return clone_string(g_wd if g_wd != "" else "/", allocator)
}
_set_working_directory :: proc(dir: string) -> (err: Error) {
sync.guard(&g_wd_mutex)
if dir == g_wd {
return
}
if g_wd != "" {
delete(g_wd, file_allocator())
}
g_wd = clone_string(dir, file_allocator()) or_return
return
}
_get_executable_path :: proc(allocator: runtime.Allocator) -> (path: string, err: Error) {
if len(args) <= 0 {
return clone_string("/", allocator)
}
arg := args[0]
if len(arg) > 0 && (arg[0] == '.' || arg[0] == '/') {
return clone_string(arg, allocator)
}
return concatenate({"/", arg}, allocator)
}
_get_absolute_path :: proc(path: string, allocator: runtime.Allocator) -> (absolute_path: string, err: Error) {
return "", .Unsupported
}