| // Copyright 2016 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // |printf()|-like formatting functions that output/append to C++ strings. |
| |
| #ifndef LIB_FXL_STRINGS_STRING_PRINTF_H_ |
| #define LIB_FXL_STRINGS_STRING_PRINTF_H_ |
| |
| #include <stdarg.h> |
| |
| #include <string> |
| |
| #include "lib/fxl/compiler_specific.h" |
| #include "lib/fxl/fxl_export.h" |
| #include "lib/fxl/macros.h" |
| |
| namespace fxl { |
| |
| // Formats |printf()|-like input and returns it as an |std::string|. |
| FXL_EXPORT std::string StringPrintf(const char* format, ...) |
| FXL_PRINTF_FORMAT(1, 2) FXL_WARN_UNUSED_RESULT; |
| |
| // Formats |vprintf()|-like input and returns it as an |std::string|. |
| FXL_EXPORT std::string StringVPrintf(const char* format, |
| va_list ap) FXL_WARN_UNUSED_RESULT; |
| |
| // Formats |printf()|-like input and appends it to |*dest|. |
| FXL_EXPORT void StringAppendf(std::string* dest, const char* format, ...) |
| FXL_PRINTF_FORMAT(2, 3); |
| |
| // Formats |vprintf()|-like input and appends it to |*dest|. |
| FXL_EXPORT void StringVAppendf(std::string* dest, const char* format, |
| va_list ap); |
| |
| } // namespace fxl |
| |
| #endif // LIB_FXL_STRINGS_STRING_PRINTF_H_ |