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gave source and sink limited seekability

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[SVN r28128]
This commit is contained in:
Jonathan Turkanis
2005-04-11 15:35:47 +00:00
parent e810ffe605
commit fe7c5ad079
1 changed files with 9 additions and 5 deletions
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14
include/boost/iostreams/device/file.hpp
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@@ -17,7 +17,7 @@
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
#endif
#include <boost/iostreams/detail/config/wide_streams.hpp>
#ifndef BOOST_IOSTREAMS_NO_LOCALE
@@ -74,10 +74,12 @@ template<typename Ch>
struct basic_file_source : private basic_file<Ch> {
typedef Ch char_type;
struct io_category
: public source_tag,
public closable_tag
: input_seekable,
device_tag,
closable_tag
{ };
using basic_file<Ch>::read;
using basic_file<Ch>::seek;
using basic_file<Ch>::close;
basic_file_source( const std::string& path,
BOOST_IOS::openmode mode =
@@ -93,10 +95,12 @@ template<typename Ch>
struct basic_file_sink : private basic_file<Ch> {
typedef Ch char_type;
struct io_category
: public sink_tag,
public closable_tag
: output_seekable,
device_tag,
closable_tag
{ };
using basic_file<Ch>::write;
using basic_file<Ch>::seek;
using basic_file<Ch>::close;
basic_file_sink( const std::string& path,
BOOST_IOS::openmode mode = BOOST_IOS::out )