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-rw-r--r--src/stdio_streambuf.h102
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diff --git a/src/stdio_streambuf.h b/src/stdio_streambuf.h
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-/*
- * Copyright (c) 1999
- * Silicon Graphics Computer Systems, Inc.
- *
- * Copyright (c) 1999
- * Boris Fomitchev
- *
- * This material is provided "as is", with absolutely no warranty expressed
- * or implied. Any use is at your own risk.
- *
- * Permission to use or copy this software for any purpose is hereby granted
- * without fee, provided the above notices are retained on all copies.
- * Permission to modify the code and to distribute modified code is granted,
- * provided the above notices are retained, and a notice that the code was
- * modified is included with the above copyright notice.
- *
- */
-
-// This header defines two streambufs:
-// stdio_istreambuf, a read-only streambuf synchronized with a C stdio
-// FILE object
-// stdio_ostreambuf, a write-only streambuf synchronized with a C stdio
-// FILE object.
-// Note that neither stdio_istreambuf nor stdio_ostreambuf is a template;
-// both classes are derived from basic_streambuf<char, char_traits<char> >.
-
-// Note: the imbue() member function is a no-op. In particular, these
-// classes assume that codecvt<char, char, mbstate_t> is always an identity
-// transformation. This is true of the default locale, and of all locales
-// defined for the C I/O library. If you need to use a locale where
-// the codecvt<char, char, mbstate_t> facet performs a nontrivial
-// conversion, then you should use basic_filebuf<> instead of stdio_istreambuf
-// or stdio_ostreambuf. (If you don't understand what any of this means,
-// then it's not a feature you need to worry about. Locales where
-// codecvt<char, char, mbstate_t> does something nontrivial are a rare
-// corner case.)
-
-
-#ifndef _STLP_STDIO_STREAMBUF
-#define _STLP_STDIO_STREAMBUF
-
-#include <streambuf>
-#include <cstdio> // For FILE.
-
-_STLP_BEGIN_NAMESPACE
-_STLP_MOVE_TO_PRIV_NAMESPACE
-
-// Base class for features common to stdio_istreambuf and stdio_ostreambuf
-class stdio_streambuf_base :
- public basic_streambuf<char, char_traits<char> > /* FILE_basic_streambuf */ {
-public: // Constructor, destructor.
- // The argument may not be null. It must be an open file pointer.
- stdio_streambuf_base(FILE*);
-
- // The destructor flushes the stream, but does not close it.
- ~stdio_streambuf_base();
-
-protected: // Virtual functions from basic_streambuf.
- streambuf* setbuf(char*, streamsize);
-
- pos_type seekoff(off_type, ios_base::seekdir,
- ios_base::openmode
- = ios_base::in | ios_base::out);
- pos_type seekpos(pos_type,
- ios_base::openmode
- = ios_base::in | ios_base::out);
- int sync();
-
-protected:
- FILE* _M_file;
-};
-
-class stdio_istreambuf : public stdio_streambuf_base {
-public: // Constructor, destructor.
- stdio_istreambuf(FILE* __f) : stdio_streambuf_base(__f) {}
- ~stdio_istreambuf();
-
-protected: // Virtual functions from basic_streambuf.
- streamsize showmanyc();
- int_type underflow();
- int_type uflow();
- virtual int_type pbackfail(int_type c = traits_type::eof());
-};
-
-class stdio_ostreambuf : public stdio_streambuf_base {
-public: // Constructor, destructor.
- stdio_ostreambuf(FILE* __f) : stdio_streambuf_base(__f) {}
- ~stdio_ostreambuf();
-
-protected: // Virtual functions from basic_streambuf.
- streamsize showmanyc();
- int_type overflow(int_type c = traits_type::eof());
-};
-
-_STLP_MOVE_TO_STD_NAMESPACE
-_STLP_END_NAMESPACE
-
-#endif /* _STLP_STDIO_STREAMBUF */
-
-// Local Variables:
-// mode:C++
-// End: