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67 lines
2.2 KiB
C
67 lines
2.2 KiB
C
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// Copyright 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_STRINGS_STRINGPRINTF_H_
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#define BASE_STRINGS_STRINGPRINTF_H_
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#include <stdarg.h> // va_list
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#include <string>
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#include "base/base_export.h"
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#include "base/compiler_specific.h"
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#include "build/build_config.h"
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namespace base {
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// Return a C++ string given printf-like input.
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BASE_EXPORT std::string StringPrintf(_Printf_format_string_ const char* format,
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...)
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PRINTF_FORMAT(1, 2) WARN_UNUSED_RESULT;
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#if defined(OS_WIN)
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BASE_EXPORT std::wstring StringPrintf(
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_Printf_format_string_ const wchar_t* format,
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...) WPRINTF_FORMAT(1, 2) WARN_UNUSED_RESULT;
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#endif
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// Return a C++ string given vprintf-like input.
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BASE_EXPORT std::string StringPrintV(const char* format, va_list ap)
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PRINTF_FORMAT(1, 0) WARN_UNUSED_RESULT;
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// Store result into a supplied string and return it.
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BASE_EXPORT const std::string& SStringPrintf(
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std::string* dst,
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_Printf_format_string_ const char* format,
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...) PRINTF_FORMAT(2, 3);
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#if defined(OS_WIN)
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BASE_EXPORT const std::wstring& SStringPrintf(
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std::wstring* dst,
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_Printf_format_string_ const wchar_t* format,
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...) WPRINTF_FORMAT(2, 3);
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#endif
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// Append result to a supplied string.
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BASE_EXPORT void StringAppendF(std::string* dst,
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_Printf_format_string_ const char* format,
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...) PRINTF_FORMAT(2, 3);
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#if defined(OS_WIN)
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BASE_EXPORT void StringAppendF(std::wstring* dst,
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_Printf_format_string_ const wchar_t* format,
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...) WPRINTF_FORMAT(2, 3);
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#endif
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// Lower-level routine that takes a va_list and appends to a specified
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// string. All other routines are just convenience wrappers around it.
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BASE_EXPORT void StringAppendV(std::string* dst, const char* format, va_list ap)
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PRINTF_FORMAT(2, 0);
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#if defined(OS_WIN)
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BASE_EXPORT void StringAppendV(std::wstring* dst,
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const wchar_t* format, va_list ap)
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WPRINTF_FORMAT(2, 0);
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#endif
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} // namespace base
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#endif // BASE_STRINGS_STRINGPRINTF_H_
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