1 /*
2  *  Copyright 2020 The WebRTC Project Authors. All rights reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 #ifndef RTC_BASE_STRINGS_STRING_FORMAT_H_
12 #define RTC_BASE_STRINGS_STRING_FORMAT_H_
13 
14 #include <string>
15 
16 namespace rtc {
17 
18 #if defined(__GNUC__)
19 #define RTC_PRINTF_FORMAT(format_param, dots_param) \
20   __attribute__((format(printf, format_param, dots_param)))
21 #else
22 #define RTC_PRINTF_FORMAT(format_param, dots_param)
23 #endif
24 
25 // Return a C++ string given printf-like input.
26 // Based on base::StringPrintf() in Chrome but without its fancy dynamic memory
27 // allocation for any size of the input buffer.
28 std::string StringFormat(const char* fmt, ...) RTC_PRINTF_FORMAT(1, 2);
29 }  // namespace rtc
30 
31 #endif  // RTC_BASE_STRINGS_STRING_FORMAT_H_
32