| /* |
| * Copyright (c) 2022 Project CHIP Authors |
| * All rights reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #pragma once |
| |
| /** |
| * gcc and clang provide a way to warn for a custom formatter when formats don't |
| * match arguments. Use that so we catch mistakes. The "format" |
| * attribute takes the type of format, which arg is the format string, and which |
| * arg is the first variadic arg, with both arg numbers 1-based. |
| * |
| * The second arg should be set to 0 if the function takes a va_list instead of |
| * varargs. |
| */ |
| |
| #if defined(__GNUC__) || defined(__clang__) |
| #define ENFORCE_FORMAT(n, m) __attribute__((format(printf, n, m))) |
| #else // __GNUC__ |
| #define ENFORCE_FORMAT(n, m) /* How to do with MSVC? */ |
| #endif // __GNUC__ |
