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DirectAllocator: move if > 0 condition above @memcpy

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Minor improvement to 3c13aa17 as noted by daurnimator
This commit is contained in:
Andrew Kelley 2019-04-29 13:48:15 -04:00
parent 3c13aa178b
commit 4b6f350369
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1 changed files with 2 additions and 2 deletions
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std/heap.zig
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@ -141,8 +141,8 @@ pub const DirectAllocator = struct {
return shrink(allocator, old_mem, old_align, new_size, new_align); return shrink(allocator, old_mem, old_align, new_size, new_align);
} }
const result = try alloc(allocator, new_size, new_align); const result = try alloc(allocator, new_size, new_align);
if (old_mem.len != 0) {
@memcpy(result.ptr, old_mem.ptr, std.math.min(old_mem.len, result.len)); @memcpy(result.ptr, old_mem.ptr, std.math.min(old_mem.len, result.len));
if (old_mem.len > 0) {
_ = os.posix.munmap(@ptrToInt(old_mem.ptr), old_mem.len); _ = os.posix.munmap(@ptrToInt(old_mem.ptr), old_mem.len);
} }
return result; return result;