78 lines
1.7 KiB
C
78 lines
1.7 KiB
C
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/***
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*stdiostr.h - definitions/declarations for stdiobuf, stdiostream
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*
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* Copyright (c) 1991-1994, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* This file defines the classes, values, macros, and functions
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* used by the stdiostream and stdiobuf classes.
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* [AT&T C++]
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*
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****/
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#ifndef _INC_STDIOSTREAM
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#define _INC_STDIOSTREAM
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/* Define _CRTIMP */
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#ifndef _CRTIMP
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#ifdef _NTSDK
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/* definition compatible with NT SDK */
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#define _CRTIMP
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#else /* ndef _NTSDK */
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/* current definition */
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#ifdef _DLL
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#define _CRTIMP __declspec(dllimport)
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#else /* ndef _DLL */
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#define _CRTIMP
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#endif /* _DLL */
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#endif /* _NTSDK */
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#endif /* _CRTIMP */
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#include <iostream.h>
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#include <stdio.h>
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#ifdef _MSC_VER
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// Force word packing to avoid possible -Zp override
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#pragma pack(push,4)
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#pragma warning(disable:4505) // disable unwanted /W4 warning
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// #pragma warning(default:4505) // use this to reenable, if necessary
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#endif // _MSC_VER
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class _CRTIMP stdiobuf : public streambuf {
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public:
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stdiobuf(FILE* f);
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FILE * stdiofile() { return _str; }
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virtual int pbackfail(int c);
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virtual int overflow(int c = EOF);
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virtual int underflow();
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virtual streampos seekoff( streamoff, ios::seek_dir, int =ios::in|ios::out);
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virtual int sync();
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~stdiobuf();
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int setrwbuf(int _rsize, int _wsize); // CONSIDER: move to ios::
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// protected:
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// virtual int doallocate();
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private:
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FILE * _str;
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};
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// obsolescent
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class _CRTIMP stdiostream : public iostream { // note: spec.'d as : public IOS...
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public:
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stdiostream(FILE *);
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~stdiostream();
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stdiobuf* rdbuf() const { return (stdiobuf*) ostream::rdbuf(); }
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private:
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};
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#ifdef _MSC_VER
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// Restore default packing
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#pragma pack(pop)
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#endif // _MSC_VER
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#endif // !_INC_STDIOSTREAM
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