unoptimized ls written in zig (still recurses subdirs)

bad_ls.zig

const std = @import("std");

pub fn main() !void {
    var gpa = std.heap.GeneralPurposeAllocator(.{}){};
    const allocator = gpa.allocator();
    defer {
        const deinit_status = gpa.deinit();
        if (deinit_status == .leak) std.log.err("leaked memory", .{});
    }

    const cwd = std.fs.cwd();
    {
        const p = try cwd.realpathAlloc(allocator, ".");
        std.debug.print("cwd: {s}\n", .{p});
        allocator.free(p);
    }
    const cwd_iterable = try cwd.openIterableDir(".", .{});
    {
        var walker = try cwd_iterable.walk(allocator);
        defer walker.deinit();
        while (true) {
            const maybe_entry = try walker.next();
            if (maybe_entry == null) {
                break;
            }
            const entry = maybe_entry.?;
            const depth = std.mem.count(u8, entry.path, "/");
            if (depth > 0) continue;
            std.debug.print("{s}\n", .{entry.basename});
        }
    }
}