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Diffstat (limited to 'src/fs/io/BufferedOutputStream.hxx')
-rw-r--r-- | src/fs/io/BufferedOutputStream.hxx | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/fs/io/BufferedOutputStream.hxx b/src/fs/io/BufferedOutputStream.hxx new file mode 100644 index 000000000..f2de758a2 --- /dev/null +++ b/src/fs/io/BufferedOutputStream.hxx @@ -0,0 +1,71 @@ +/* + * Copyright (C) 2003-2014 The Music Player Daemon Project + * http://www.musicpd.org + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef MPD_BUFFERED_OUTPUT_STREAM_HXX +#define MPD_BUFFERED_OUTPUT_STREAM_HXX + +#include "check.h" +#include "Compiler.h" +#include "util/DynamicFifoBuffer.hxx" +#include "util/Error.hxx" + +#include <stddef.h> + +class OutputStream; +class Error; + +class BufferedOutputStream { + OutputStream &os; + + DynamicFifoBuffer<char> buffer; + + Error last_error; + +public: + BufferedOutputStream(OutputStream &_os) + :os(_os), buffer(32768) {} + + bool Write(const void *data, size_t size); + bool Write(const char *p); + + gcc_printf(2,3) + bool Format(const char *fmt, ...); + + gcc_pure + bool Check() const { + return !last_error.IsDefined(); + } + + bool Check(Error &error) const { + if (last_error.IsDefined()) { + error.Set(last_error); + return false; + } else + return true; + } + + bool Flush(); + + bool Flush(Error &error); + +private: + bool AppendToBuffer(const void *data, size_t size); +}; + +#endif |