os2: better copy_directory, and add native copy_file and copy_directory variants on MacOS

core/sys/darwin/copyfile.odin

@@ -0,0 +1,67 @@
+package darwin
+
+import "core:sys/posix"
+
+copyfile_state_t :: distinct rawptr
+
+copyfile_flags :: bit_set[enum {
+	ACL,
+	STAT,
+	XATTR,
+	DATA,
+
+	RECURSIVE = 15,
+
+	CHECK,
+	EXCL,
+	NOFOLLOW_SRC,
+	NOFOLLOW_DST,
+	MOVE,
+	UNLINK,
+	PACK,
+	UNPACK,
+
+	CLONE,
+	CLONE_FORCE,
+	RUN_IN_PLACE,
+	DATA_SPARSE,
+	PRESERVE_DST_TRACKED,
+	VERBOSE = 30,
+}; u32]
+
+COPYFILE_SECURITY :: copyfile_flags{.STAT, .ACL}
+COPYFILE_METADATA :: COPYFILE_SECURITY + copyfile_flags{.XATTR}
+COPYFILE_ALL      :: COPYFILE_METADATA + copyfile_flags{.DATA}
+
+COPYFILE_NOFOLLOW :: copyfile_flags{.NOFOLLOW_SRC, .NOFOLLOW_DST}
+
+copyfile_state_flag :: enum u32 {
+	SRC_FD = 1,
+	SRC_FILENAME,
+	DST_FD,
+	DST_FILENAME,
+	QUARANTINE,
+	STATUS_CB,
+	STATUS_CTX,
+	COPIED,
+	XATTRNAME,
+	WAS_CLONED,
+	SRC_BSIZE,
+	DST_BSIZE,
+	BSIZE,
+	FORBID_CROSS_MOUNT,
+	NOCPROTECT,
+	PRESERVE_SUID,
+	RECURSIVE_SRC_FTSENT,
+	FORBID_DST_EXISTING_SYMLINKS,
+}
+
+foreign system {
+	copyfile  :: proc(from, to: cstring,  state: copyfile_state_t, flags: copyfile_flags) -> i32 ---
+	fcopyfile :: proc(from, to: posix.FD, state: copyfile_state_t, flags: copyfile_flags) -> i32 ---
+
+	copyfile_state_alloc :: proc() -> copyfile_state_t ---
+	copyfile_state_free  :: proc(state: copyfile_state_t) -> posix.result ---
+	copyfile_state_get   :: proc(state: copyfile_state_t, flag: copyfile_state_flag, dst: rawptr) -> posix.result ---
+	copyfile_state_set   :: proc(state: copyfile_state_t, flag: copyfile_state_flag, src: rawptr) -> posix.result ---
+}

core/sys/darwin/darwin.odin

@@ -3,6 +3,7 @@ package darwin
 
 import "core:c"
 
+@(export)
 foreign import system "system:System.framework"
 
 Bool :: b8

core/sys/darwin/sync.odin

@@ -1,7 +1,5 @@
 package darwin
 
-foreign import system "system:System.framework"
-
 // #define OS_WAIT_ON_ADDR_AVAILABILITY \
 // 	__API_AVAILABLE(macos(14.4), ios(17.4), tvos(17.4), watchos(10.4))
 when ODIN_OS == .Darwin {

core/sys/darwin/xnu_system_call_wrappers.odin

@@ -19,16 +19,6 @@ X_OK  :: c.int((1 << 0))  /* test for execute or search permission */
 W_OK  :: c.int((1 << 1))  /* test for write permission */
 R_OK  :: c.int((1 << 2))  /* test for read permission */
 
-/* copyfile flags */
-COPYFILE_ACL   :: (1 << 0)
-COPYFILE_STAT  :: (1 << 1)
-COPYFILE_XATTR :: (1 << 2)
-COPYFILE_DATA  :: (1 << 3)
-
-COPYFILE_SECURITY :: (COPYFILE_STAT | COPYFILE_ACL)
-COPYFILE_METADATA :: (COPYFILE_SECURITY | COPYFILE_XATTR)
-COPYFILE_ALL	  :: (COPYFILE_METADATA | COPYFILE_DATA)
-
 /* syslimits.h */
 PATH_MAX	:: 1024	/* max bytes in pathname */