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Merge pull request 'fix: use new randomness api' (#354) from itsnoctural/exercises:main into main

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Reviewed-on: https://codeberg.org/ziglings/exercises/pulls/354
This commit is contained in:
Chris Boesch 2026-01-09 10:26:28 +01:00
parent 335aaafcff 91f484ed47
commit 6972af2178
3 changed files with 9 additions and 4 deletions
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1
README.md
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@ -87,6 +87,7 @@ that if you update one, you may need to also update the other.
### Version Changes
* 2026-01-09 zig 0.16.0-dev.2075 - move randomness API to `std.Io`, see [#30709](https://codeberg.org/ziglang/zig/pulls/30709)
* 2026-01-07 zig 0.16.0-dev.2040 - adjust temp files, see [#30683](https://codeberg.org/ziglang/zig/pulls/30683)
* 2026-01-06 zig 0.16.0-dev.1976 - move process API to `std.Io` and changes to main/environ/argv, see [#30644](https://codeberg.org/ziglang/zig/pulls/30644)
* *2025-12-28* zig 0.16.0-dev.1859 - file system I/O integrated with the std.Io interface, see [#30232](https://codeberg.org/ziglang/zig/pulls/30232)

6
build.zig
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@ -15,7 +15,7 @@ const print = std.debug.print;
// 1) Getting Started
// 2) Version Changes
comptime {
const required_zig = "0.16.0-dev.2040";
const required_zig = "0.16.0-dev.2075";
const current_zig = builtin.zig_version;
const min_zig = std.SemanticVersion.parse(required_zig) catch unreachable;
if (current_zig.order(min_zig) == .lt) {
@ -206,7 +206,7 @@ pub fn build(b: *Build) !void {
var prng = std.Random.DefaultPrng.init(blk: {
var seed: u64 = undefined;
try std.posix.getrandom(std.mem.asBytes(&seed));
io.random(std.mem.asBytes(&seed));
break :blk seed;
});
const rnd = prng.random();
@ -1287,7 +1287,7 @@ const exercises = [_]Exercise{
\\Max difference (new fn): 0.014
,
},
.{ .main_file = "110_quiz9.zig", .output =
.{ .main_file = "110_quiz9.zig", .output =
\\Toggle pins with XOR on PORTB
\\-----------------------------
\\ 1100 // (initial state of PORTB)

6
test/tests.zig
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@ -394,7 +394,11 @@ fn heal(allocator: Allocator, exercises: []const Exercise, work_path: []const u8
fn createTempPath(b: *Build) ![]const u8 {
const io = b.graph.io;
const rand_int = std.crypto.random.int(u64);
const rand_int = r: {
var x: u64 = undefined;
io.random(@ptrCast(&x));
break :r x;
};
const tmp_dir_sub_path = "tmp" ++ std.Io.Dir.path.sep_str ++ std.fmt.hex(rand_int);
const result_path = b.cache_root.join(b.allocator, &.{tmp_dir_sub_path}) catch @panic("OOM");
try b.cache_root.handle.createDirPath(io, tmp_dir_sub_path);