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32-bit memory safety in benchmark host

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Folkert 2021-08-25 13:00:45 +02:00
parent 205776f14e
commit f04547e27e
1 changed files with 4 additions and 5 deletions
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9
examples/benchmarks/platform/host.zig
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@ -68,17 +68,16 @@ pub fn main() u8 {
roc__mainForHost_1_exposed(output);
const elements = @ptrCast([*]u64, @alignCast(8, output));
var flag = elements[0];
const flag = @ptrCast(*u64, @alignCast(@alignOf(u64), output)).*;
if (flag == 0) {
// all is well
const closure_data_pointer = @ptrCast([*]u8, output[8..size]);
const closure_data_pointer = @ptrCast([*]u8, output[@sizeOf(u64)..size]);
call_the_closure(closure_data_pointer);
} else {
const msg = @intToPtr([*:0]const u8, elements[1]);
const ptr = @ptrCast(*u32, output + @sizeOf(u64));
const msg = @intToPtr([*:0]const u8, ptr.*);
const stderr = std.io.getStdErr().writer();
stderr.print("Application crashed with message\n\n {s}\n\nShutting down\n", .{msg}) catch unreachable;