diff options
| author |  Mike Reed <reed@google.com> | 2018-01-03 15:35:33 -0500 |
|---|---|---|
| committer |  Skia Commit-Bot <skia-commit-bot@chromium.org> | 2018-01-03 21:01:54 +0000 |
| commit | 9fc53624a09f6d3378b0a540832571dc1c31fbcd (patch) | |
| tree | 74e3ea18c10eafc1c4c104c6d1c7b48e70975c8e /include/private/SkPedanticMath.h | |
| parent | 3a8a277d9364b6747ee16f55c70c974cd0f8d134 (diff) | |
check for irect with overflow width/height
Bug:798066
Change-Id: Iac324ac5a32fae241a528751c84279ce60ac4baf
Reviewed-on: https://skia-review.googlesource.com/90544
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Mike Reed <reed@google.com>
Diffstat (limited to 'include/private/SkPedanticMath.h')
| -rw-r--r-- | include/private/SkPedanticMath.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/private/SkPedanticMath.h b/include/private/SkPedanticMath.h new file mode 100644 index 0000000000..6d9c8a18be --- /dev/null +++ b/include/private/SkPedanticMath.h @@ -0,0 +1,17 @@ +/* + * Copyright 2018 Google Inc. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#ifndef SkPedanticMath_DEFINED +#define SkPedanticMath_DEFINED + +// To avoid UBSAN complaints about 2's compliment overflows +// +static inline int32_t SkSub32(int32_t a, int32_t b) { + return (int32_t)((uint32_t)a - (uint32_t)b); +} + +#endif |