112 lines
2.6 KiB
C
112 lines
2.6 KiB
C
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/***
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*strstream.h - definitions/declarations for strstreambuf, strstream
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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 strstream and strstreambuf classes.
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* [AT&T C++]
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*
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****/
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#ifndef _INC_STRSTREAM
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#define _INC_STRSTREAM
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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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#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 strstreambuf : public streambuf {
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public:
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strstreambuf();
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strstreambuf(int);
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strstreambuf(char *, int, char * = 0);
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strstreambuf(unsigned char *, int, unsigned char * = 0);
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strstreambuf(signed char *, int, signed char * = 0);
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strstreambuf(void * (*a)(long), void (*f) (void *));
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~strstreambuf();
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void freeze(int =1);
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char * str();
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virtual int overflow(int);
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virtual int underflow();
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virtual streambuf* setbuf(char *, int);
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virtual streampos seekoff(streamoff, ios::seek_dir, int);
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virtual int sync(); // not in spec.
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protected:
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virtual int doallocate();
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private:
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int x_dynamic;
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int x_bufmin;
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int _fAlloc;
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int x_static;
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void * (* x_alloc)(long);
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void (* x_free)(void *);
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};
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class _CRTIMP istrstream : public istream {
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public:
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istrstream(char *);
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istrstream(char *, int);
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~istrstream();
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inline strstreambuf* rdbuf() const { return (strstreambuf*) ios::rdbuf(); }
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inline char * str() { return rdbuf()->str(); }
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};
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class _CRTIMP ostrstream : public ostream {
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public:
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ostrstream();
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ostrstream(char *, int, int = ios::out);
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~ostrstream();
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inline int pcount() const { return rdbuf()->out_waiting(); }
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inline strstreambuf* rdbuf() const { return (strstreambuf*) ios::rdbuf(); }
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inline char * str() { return rdbuf()->str(); }
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};
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class _CRTIMP strstream : public iostream { // strstreambase ???
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public:
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strstream();
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strstream(char *, int, int);
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~strstream();
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inline int pcount() const { return rdbuf()->out_waiting(); } // not in spec.
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inline strstreambuf* rdbuf() const { return (strstreambuf*) ostream::rdbuf(); }
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inline char * str() { return rdbuf()->str(); }
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};
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#ifdef _MSC_VER
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// Restore previous packing
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#pragma pack(pop)
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#endif // _MSC_VER
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#endif // !_INC_STRSTREAM
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