std.fs: split `Dir` into `IterableDir`

Also adds safety check for attempting to iterate directory not opened with `iterate = true`.

1 files changed, 3 insertions, 3 deletions

diff --git a/tools/process_headers.zig b/tools/process_headers.zig
index 84126635dc..04baeee68d 100644
--- a/tools/process_headers.zig
+++ b/tools/process_headers.zig
@@ -381,14 +381,14 @@ pub fn main() !void {
             try dir_stack.append(target_include_dir);
 
             while (dir_stack.popOrNull()) |full_dir_name| {
-                var dir = std.fs.cwd().openDir(full_dir_name, .{ .iterate = true }) catch |err| switch (err) {
+                var iterable_dir = std.fs.cwd().openIterableDir(full_dir_name, .{}) catch |err| switch (err) {
                     error.FileNotFound => continue :search,
                     error.AccessDenied => continue :search,
                     else => return err,
                 };
-                defer dir.close();
+                defer iterable_dir.close();
 
-                var dir_it = dir.iterate();
+                var dir_it = iterable_dir.iterate();
 
                 while (try dir_it.next()) |entry| {
                     const full_path = try std.fs.path.join(allocator, &[_][]const u8{ full_dir_name, entry.name });