xref: /aosp_15_r20/external/skia/src/base/SkSafeMath.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1*c8dee2aaSAndroid Build Coastguard Worker /*
2*c8dee2aaSAndroid Build Coastguard Worker  * Copyright 2023 Google LLC
3*c8dee2aaSAndroid Build Coastguard Worker  *
4*c8dee2aaSAndroid Build Coastguard Worker  * Use of this source code is governed by a BSD-style license that can be
5*c8dee2aaSAndroid Build Coastguard Worker  * found in the LICENSE file.
6*c8dee2aaSAndroid Build Coastguard Worker  */
7*c8dee2aaSAndroid Build Coastguard Worker 
8*c8dee2aaSAndroid Build Coastguard Worker #include "src/base/SkSafeMath.h"
9*c8dee2aaSAndroid Build Coastguard Worker 
Add(size_t x,size_t y)10*c8dee2aaSAndroid Build Coastguard Worker size_t SkSafeMath::Add(size_t x, size_t y) {
11*c8dee2aaSAndroid Build Coastguard Worker     SkSafeMath tmp;
12*c8dee2aaSAndroid Build Coastguard Worker     size_t sum = tmp.add(x, y);
13*c8dee2aaSAndroid Build Coastguard Worker     return tmp.ok() ? sum : SIZE_MAX;
14*c8dee2aaSAndroid Build Coastguard Worker }
15*c8dee2aaSAndroid Build Coastguard Worker 
Mul(size_t x,size_t y)16*c8dee2aaSAndroid Build Coastguard Worker size_t SkSafeMath::Mul(size_t x, size_t y) {
17*c8dee2aaSAndroid Build Coastguard Worker     SkSafeMath tmp;
18*c8dee2aaSAndroid Build Coastguard Worker     size_t prod = tmp.mul(x, y);
19*c8dee2aaSAndroid Build Coastguard Worker     return tmp.ok() ? prod : SIZE_MAX;
20*c8dee2aaSAndroid Build Coastguard Worker }
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