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os/os2: recursive directory walker, expose errors in read_directory, file clone

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Adds a directory walker, a method of exposing and retrieving errors from
the existing read directory iterator, allows reusing of the existing
read directory iterator, and adds a file clone procedure
This commit is contained in:
Laytan Laats
2025-02-24 20:40:44 +01:00
parent d0d5cf800e
commit 0e4140a602
14 changed files with 687 additions and 88 deletions
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core/os/os2/file_posix.odin
+23
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@@ -114,6 +114,29 @@ __new_file :: proc(handle: posix.FD, allocator: runtime.Allocator) -> ^File {
return &impl.file
}
_clone :: proc(f: ^File) -> (clone: ^File, err: Error) {
if f == nil || f.impl == nil {
err = .Invalid_Pointer
return
}
impl := (^File_Impl)(f.impl)
fd := posix.dup(impl.fd)
if fd <= 0 {
err = _get_platform_error()
return
}
defer if err != nil { posix.close(fd) }
clone = __new_file(fd, file_allocator())
clone_impl := (^File_Impl)(clone.impl)
clone_impl.cname = clone_to_cstring(impl.name, file_allocator()) or_return
clone_impl.name = string(clone_impl.cname)
return
}
_close :: proc(f: ^File_Impl) -> (err: Error) {
if f == nil { return nil }