// Copyright 2013 The Chromium 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 BASE_STRINGS_STRINGPRINTF_H_ #define BASE_STRINGS_STRINGPRINTF_H_ #include // va_list #include #include "base/compiler_specific.h" #include "util/build_config.h" namespace base { // Return a C++ string given printf-like input. [[nodiscard]] std::string StringPrintf( _Printf_format_string_ const char* format, ...) PRINTF_FORMAT(1, 2); // Return a C++ string given vprintf-like input. [[nodiscard]] std::string StringPrintV(const char* format, va_list ap) PRINTF_FORMAT(1, 0); // Store result into a supplied string and return it. const std::string& SStringPrintf(std::string* dst, _Printf_format_string_ const char* format, ...) PRINTF_FORMAT(2, 3); // Append result to a supplied string. void StringAppendF(std::string* dst, _Printf_format_string_ const char* format, ...) PRINTF_FORMAT(2, 3); // Lower-level routine that takes a va_list and appends to a specified // string. All other routines are just convenience wrappers around it. void StringAppendV(std::string* dst, const char* format, va_list ap) PRINTF_FORMAT(2, 0); } // namespace base #endif // BASE_STRINGS_STRINGPRINTF_H_