| // Copyright (c) 2014 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef GESTURES_COMPILER_SPECIFIC_H_ |
| #define GESTURES_COMPILER_SPECIFIC_H_ |
| |
| // Compiler detection. |
| #if defined(__GNUC__) |
| #define COMPILER_GCC 1 |
| #elif defined(_MSC_VER) |
| #define COMPILER_MSVC 1 |
| #else |
| #error Please add support for your compiler in compiler_specific.h |
| #endif |
| |
| // Tell the compiler a function is using a printf-style format string. |
| // |format_param| is the one-based index of the format string parameter; |
| // |dots_param| is the one-based index of the "..." parameter. |
| // For v*printf functions (which take a va_list), pass 0 for dots_param. |
| // (This is undocumented but matches what the system C headers do.) |
| #if defined(COMPILER_GCC) |
| #define PRINTF_FORMAT(format_param, dots_param) \ |
| __attribute__((format(printf, format_param, dots_param))) |
| #else |
| #define PRINTF_FORMAT(format_param, dots_param) |
| #endif |
| |
| #endif // GESTURES_COMPILER_SPECIFIC_H_ |
