zig/test/cases/safety/memcpy_len_mismatch.zig
2025-07-26 17:31:04 -04:00

19 lines
550 B
Zig

const std = @import("std");
pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace, _: ?usize) noreturn {
_ = stack_trace;
if (std.mem.eql(u8, message, "source and destination arguments have non-equal lengths")) {
std.process.exit(0);
}
std.process.exit(1);
}
pub fn main() !void {
var buffer = [2]u8{ 1, 2 } ** 5;
var len: usize = 5;
_ = &len;
@memcpy(buffer[0..len], buffer[len .. len + 4]);
return error.TestFailed;
}
// run
// backend=stage2,llvm
// target=x86_64-linux,aarch64-linux