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/***
*strstream.h - definitions/declarations for strstreambuf, strstream
*
* Copyright (c) 1991-1992, Microsoft Corporation. All rights reserved.
*
*Purpose:
* This file defines the classes, values, macros, and functions
* used by the strstream and strstreambuf classes.
* [AT&T C++]
*
****/
#ifndef _INC_STRSTREAM
#define _INC_STRSTREAM
#include <iostream.h>
// Force word packing to avoid possible -Zp override
#pragma pack(2)
#pragma warning(disable:4505) // disable unwanted /W4 warning
// #pragma warning(default:4505) // use this to reenable, if necessary
#ifdef M_I86HM
#define _HFAR_ __far
#else
#define _HFAR_
#endif
class strstreambuf : public streambuf {
public:
strstreambuf();
strstreambuf(int);
strstreambuf(char _HFAR_ *, int, char _HFAR_ * = 0);
strstreambuf(unsigned char _HFAR_ *, int, unsigned char _HFAR_ * = 0);
strstreambuf(signed char _HFAR_ _HFAR_ *, int, signed char _HFAR_ * = 0);
strstreambuf(void _HFAR_ * (*a)(long), void (*f) (void _HFAR_ *));
~strstreambuf();
void freeze(int =1);
char _HFAR_ * str();
virtual int overflow(int);
virtual int underflow();
virtual streambuf* setbuf(char _HFAR_ *, int);
virtual streampos seekoff(streamoff, ios::seek_dir, int);
virtual int sync(); // not in spec.
protected:
virtual int doallocate();
private:
int x_dynamic;
int x_bufmin;
int _fAlloc;
int x_static;
void _HFAR_ * (* x_alloc)(long);
void (* x_free)(void _HFAR_ *);
};
class istrstream : public istream {
public:
istrstream(char _HFAR_ *);
istrstream(char _HFAR_ *, int);
~istrstream();
inline strstreambuf* rdbuf() const { return (strstreambuf*) ios::rdbuf(); }
inline char _HFAR_ * str() { return rdbuf()->str(); }
};
class ostrstream : public ostream {
public:
ostrstream();
ostrstream(char _HFAR_ *, int, int = ios::out);
~ostrstream();
inline int pcount() const { return rdbuf()->out_waiting(); }
inline strstreambuf* rdbuf() const { return (strstreambuf*) ios::rdbuf(); }
inline char _HFAR_ * str() { return rdbuf()->str(); }
};
class strstream : public iostream { // strstreambase ???
public:
strstream();
strstream(char _HFAR_ *, int, int);
~strstream();
inline int pcount() const { return rdbuf()->out_waiting(); } // not in spec.
inline strstreambuf* rdbuf() const { return (strstreambuf*) ostream::rdbuf(); }
inline char _HFAR_ * str() { return rdbuf()->str(); }
};
// Restore default packing
#pragma pack()
#endif
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