Merge pull request #7482 from ziglang/tlcsprng

std: introduce a thread-local CSPRNG for general use

2 files changed, 4 insertions, 12 deletions

diff --git a/test/stack_traces.zig b/test/stack_traces.zig
index 6aa972b13d..d9c900ebae 100644
--- a/test/stack_traces.zig
+++ b/test/stack_traces.zig
@@ -282,10 +282,10 @@ pub fn addCases(cases: *tests.StackTracesContext) void {
                     \\source.zig:10:8: [address] in main (test)
                     \\    foo();
                     \\       ^
-                    \\start.zig:341:29: [address] in std.start.posixCallMainAndExit (test)
+                    \\start.zig:342:29: [address] in std.start.posixCallMainAndExit (test)
                     \\            return root.main();
                     \\                            ^
-                    \\start.zig:162:5: [address] in std.start._start (test)
+                    \\start.zig:163:5: [address] in std.start._start (test)
                     \\    @call(.{ .modifier = .never_inline }, posixCallMainAndExit, .{});
                     \\    ^
                     \\
@@ -294,7 +294,7 @@ pub fn addCases(cases: *tests.StackTracesContext) void {
                 switch (std.Target.current.cpu.arch) {
                     .aarch64 => "", // TODO disabled; results in segfault
                     else => 
-                \\start.zig:162:5: [address] in std.start._start (test)
+                \\start.zig:163:5: [address] in std.start._start (test)
                     \\    @call(.{ .modifier = .never_inline }, posixCallMainAndExit, .{});
                     \\    ^
                     \\
diff --git a/test/standalone/guess_number/main.zig b/test/standalone/guess_number/main.zig
index 87f9f9a1e7..ad84860870 100644
--- a/test/standalone/guess_number/main.zig
+++ b/test/standalone/guess_number/main.zig
@@ -9,15 +9,7 @@ pub fn main() !void {
 
     try stdout.print("Welcome to the Guess Number Game in Zig.\n", .{});
 
-    var seed_bytes: [@sizeOf(u64)]u8 = undefined;
-    std.crypto.randomBytes(seed_bytes[0..]) catch |err| {
-        std.debug.warn("unable to seed random number generator: {}", .{err});
-        return err;
-    };
-    const seed = std.mem.readIntNative(u64, &seed_bytes);
-    var prng = std.rand.DefaultPrng.init(seed);
-
-    const answer = prng.random.intRangeLessThan(u8, 0, 100) + 1;
+    const answer = std.crypto.random.intRangeLessThan(u8, 0, 100) + 1;
 
     while (true) {
         try stdout.print("\nGuess a number between 1 and 100: ", .{});