No global for working dir

src/file/file.odin

@@ -5,22 +5,12 @@ import "core:os"
 
 // -----------------------------------------
 
-working_dir: string
-
-// -----------------------------------------
-
-store_working_dir :: proc(allocator := context.allocator) {
+get_working_dir :: proc(allocator := context.allocator) -> string {
 	wd, err := os.get_working_directory(allocator)
 	if err != nil {
 		fmt.eprintln("error: get working directory failed:", err)
 		os.exit(1)
 	}
-	working_dir = wd
-}
 
-remove_working_dir :: proc(allocator := context.allocator) {
-	if working_dir != "" {
-		delete(working_dir, allocator)
-		working_dir = ""
-	}
+	return wd
 }

src/file/list_dir.odin

@@ -17,18 +17,20 @@ FileEntry :: struct #all_or_none {
 // Returning `[dynamic]DirectoryEntry` and each relpath `string` inside it are owned by the caller.
 list_dir_recursive :: proc(
 	f: ^os.File,
+	working_dir: string,
 	allocator := context.allocator,
 ) -> [dynamic]FileEntry {
 	path := os.name(f)
-	return list_dir_recursive_by_path_impl(path, allocator)
+	return list_dir_recursive_by_path_impl(path, working_dir, allocator)
 }
 
 // Returning `[dynamic]DirectoryEntry` and each relpath `string` inside it are owned by the caller.
 list_dir_recursive_by_path :: proc(
 	path: string,
+	working_dir: string,
 	allocator := context.allocator,
 ) -> [dynamic]FileEntry {
-	return list_dir_recursive_by_path_impl(path, allocator)
+	return list_dir_recursive_by_path_impl(path, working_dir, allocator)
 }
 
 // Frees every owning relpath string then the dynamic array itself.
@@ -42,6 +44,7 @@ delete_entries :: proc(entries: ^[dynamic]FileEntry) {
 @(private)
 list_dir_recursive_by_path_impl :: proc(
 	path: string,
+	working_dir: string,
 	allocator: runtime.Allocator,
 ) -> [dynamic]FileEntry {
 	if !os.is_dir(path) {

src/main.odin

@@ -8,16 +8,16 @@ import "src:file"
 VERSION :: #config(VERSION, "dev")
 
 main :: proc() {
-	file.store_working_dir()
-	defer file.remove_working_dir()
+	working_dir := file.get_working_dir()
+	defer delete(working_dir)
 
-	opts := cli.parse(file.working_dir)
+	opts := cli.parse(working_dir)
 
 	// fmt.println("verbose:", opts.verbose)
 	// fmt.println("compression:", opts.compression)
 	// fmt.println("size:", opts.size)
 
-	entries := file.list_dir_recursive(opts.input)
+	entries := file.list_dir_recursive(opts.input, working_dir)
 	defer file.delete_entries(&entries)
 
 	w := file.writer_init(cast(u64)len(entries))