1const builtin = @import("builtin");
 2const std = @import("std");
 3const debug = std.debug;
 4const testing = std.testing;
 5const expect = testing.expect;
 6
 7var argv: [*]const [*]const u8 = undefined;
 8
 9test "const slice child" {
10    if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
11    if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
12    if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
13    if (builtin.zig_backend == .stage2_spirv) return error.SkipZigTest;
14
15    const strs = [_][*]const u8{ "one", "two", "three" };
16    argv = &strs;
17    try bar(strs.len);
18}
19
20fn foo(args: [][]const u8) !void {
21    try expect(args.len == 3);
22    try expect(streql(args[0], "one"));
23    try expect(streql(args[1], "two"));
24    try expect(streql(args[2], "three"));
25}
26
27fn bar(argc: usize) !void {
28    var args_buffer: [10][]const u8 = undefined;
29    const args = args_buffer[0..argc];
30    for (args, 0..) |_, i| {
31        const ptr = argv[i];
32        args[i] = ptr[0..strlen(ptr)];
33    }
34    try foo(args);
35}
36
37fn strlen(ptr: [*]const u8) usize {
38    var count: usize = 0;
39    while (ptr[count] != 0) : (count += 1) {}
40    return count;
41}
42
43fn streql(a: []const u8, b: []const u8) bool {
44    if (a.len != b.len) return false;
45    for (a, 0..) |item, index| {
46        if (b[index] != item) return false;
47    }
48    return true;
49}