From 8fd15c6ca8b93fa9888e2641ebec149f6d600643 Mon Sep 17 00:00:00 2001 From: Jeremy Volkman Date: Fri, 5 Jan 2024 00:55:59 -0800 Subject: Use a fixed chunk size when calculating MachO UUID --- src/link/MachO/uuid.zig | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'src') diff --git a/src/link/MachO/uuid.zig b/src/link/MachO/uuid.zig index 7b2e200cce..6d60397149 100644 --- a/src/link/MachO/uuid.zig +++ b/src/link/MachO/uuid.zig @@ -5,9 +5,9 @@ /// TODO LLD also hashes the output filename to disambiguate between same builds with different /// output files. Should we also do that? pub fn calcUuid(comp: *const Compilation, file: fs.File, file_size: u64, out: *[Md5.digest_length]u8) !void { - const num_chunks = @max(comp.thread_pool.threads.len, 1) * 0x10; - const chunk_size = @divTrunc(file_size, num_chunks); - const actual_num_chunks = if (@rem(file_size, num_chunks) > 0) num_chunks + 1 else num_chunks; + const chunk_size: usize = 1024 * 1024; + const num_chunks: usize = std.math.cast(usize, @divTrunc(file_size, chunk_size)) orelse return error.Overflow; + const actual_num_chunks = if (@rem(file_size, chunk_size) > 0) num_chunks + 1 else num_chunks; const hashes = try comp.gpa.alloc([Md5.digest_length]u8, actual_num_chunks); defer comp.gpa.free(hashes); -- cgit v1.2.3