diff options
| -rw-r--r-- | lib/std/io/out_stream.zig | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/lib/std/io/out_stream.zig b/lib/std/io/out_stream.zig index b8f5db6fff..265be066a1 100644 --- a/lib/std/io/out_stream.zig +++ b/lib/std/io/out_stream.zig @@ -45,10 +45,14 @@ pub fn OutStream(comptime WriteError: type) type { } pub fn writeByteNTimes(self: *Self, byte: u8, n: usize) Error!void { - const slice = @as(*const [1]u8, &byte)[0..]; - var i: usize = 0; - while (i < n) : (i += 1) { - try self.writeFn(self, slice); + var bytes: [256]u8 = undefined; + mem.set(u8, bytes[0..], byte); + + var remaining: usize = n; + while (remaining > 0) { + const to_write = std.math.min(remaining, bytes.len); + try self.writeFn(self, bytes[0..to_write]); + remaining -= to_write; } } |