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// Copyright (c) 2011 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_STRINGPRINTF_H_
#define BASE_STRINGPRINTF_H_
#include <stdarg.h> // va_list
#include <string>
#include "base/base_api.h"
#include "base/compiler_specific.h"
namespace base {
// Return a C++ string given printf-like input.
BASE_API std::string StringPrintf(const char* format, ...) PRINTF_FORMAT(1, 2);
BASE_API std::wstring StringPrintf(const wchar_t* format, ...)
WPRINTF_FORMAT(1, 2);
// Return a C++ string given vprintf-like input.
BASE_API std::string StringPrintV(const char* format, va_list ap)
PRINTF_FORMAT(1, 0);
// Store result into a supplied string and return it.
BASE_API const std::string& SStringPrintf(std::string* dst,
const char* format, ...)
PRINTF_FORMAT(2, 3);
BASE_API const std::wstring& SStringPrintf(std::wstring* dst,
const wchar_t* format, ...)
WPRINTF_FORMAT(2, 3);
// Append result to a supplied string.
BASE_API void StringAppendF(std::string* dst, const char* format, ...)
PRINTF_FORMAT(2, 3);
// TODO(evanm): this is only used in a few places in the code;
// replace with string16 version.
BASE_API void StringAppendF(std::wstring* dst, const wchar_t* format, ...)
WPRINTF_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.
BASE_API void StringAppendV(std::string* dst, const char* format, va_list ap)
PRINTF_FORMAT(2, 0);
BASE_API void StringAppendV(std::wstring* dst,
const wchar_t* format, va_list ap)
WPRINTF_FORMAT(2, 0);
} // namespace base
// Don't require the namespace for legacy code. New code should use "base::" or
// have its own using decl.
//
// TODO(brettw) remove these when calling code is converted.
using base::StringPrintf;
#endif // BASE_STRINGPRINTF_H_
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