diff options
| -rw-r--r-- | src/bun.zig | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/bun.zig b/src/bun.zig index 148244df5..eec6a4ecc 100644 --- a/src/bun.zig +++ b/src/bun.zig @@ -386,10 +386,13 @@ pub inline fn range(comptime min: anytype, comptime max: anytype) [max - min]usi pub fn copy(comptime Type: type, dest: []Type, src: []const Type) void { if (comptime Environment.allow_assert) std.debug.assert(dest.len >= src.len); - if (@ptrToInt(src.ptr) == @ptrToInt(dest.ptr)) return; + if (@ptrToInt(src.ptr) == @ptrToInt(dest.ptr) or src.len == 0) return; - var input: []const u8 = std.mem.sliceAsBytes(src); - var output: []u8 = std.mem.sliceAsBytes(dest); + const input: []const u8 = std.mem.sliceAsBytes(src); + const output: []u8 = std.mem.sliceAsBytes(dest); + + std.debug.assert(input.len > 0); + std.debug.assert(output.len > 0); // if input.len overlaps with output.len, we need to copy backwards const overlaps = isSliceInBuffer(input, output) or isSliceInBuffer(output, input); |