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- /*
- fstream.h -- class filebuf and fstream declarations
-
- */
-
- /*
- * C/C++ Run Time Library - Version 6.5
- *
- * Copyright (c) 1987, 1994 by Borland International
- * All Rights Reserved.
- *
- */
-
- #ifndef __cplusplus
- #error Must use C++ for the type fstream.
- #endif
-
- #ifndef __FSTREAM_H
- #define __FSTREAM_H
-
- #if !defined(___DEFS_H)
- #include <_defs.h>
- #endif
-
- #if !defined(__IOSTREAM_H)
- #include <iostream.h>
- #endif
-
-
- #if !defined(RC_INVOKED)
-
- #pragma option -a-
-
- #if defined(__BCOPT__)
- #if !defined(_RTL_ALLOW_po) && !defined(__FLAT__)
- #pragma option -po- // disable Object data calling convention
- #endif
- #endif
-
- #if !defined(__TINY__)
- #pragma option -RT
- #endif
-
- #pragma option -Vo-
-
- #if defined(__STDC__)
- #pragma warn -nak
- #endif
-
- #endif /* !RC_INVOKED */
-
-
- _CLASSDEF(filebuf)
- _CLASSDEF(fstreambase)
- _CLASSDEF(ifstream)
- _CLASSDEF(ofstream)
- _CLASSDEF(fstream)
-
- class _EXPCLASS filebuf : public streambuf {
- public:
- static const int openprot; // default file protection
-
- // constructors, destructor
- _RTLENTRY filebuf(); // make a closed filebuf
- _RTLENTRY filebuf(int); // make a filebuf attached to fd
- _RTLENTRY filebuf(int __f, char _FAR *, int); // same, with specified buffer
- _RTLENTRY ~filebuf();
-
- int _RTLENTRY is_open(); // is the file open
- int _RTLENTRY fd(); // what is the file descriptor
-
- // open named file with mode and protection, attach to this filebuf
- filebuf _FAR * _RTLENTRY open(const char _FAR *, int, int = filebuf::openprot);
-
- filebuf _FAR * _RTLENTRY close(); // flush and close file
- filebuf _FAR * _RTLENTRY attach(int); // attach this filebuf to opened
- // file descriptor
-
- /*
- * These perform the streambuf functions on a filebuf
- * Get and Put pointers are kept together
- */
- virtual int _RTLENTRY overflow(int = EOF);
- virtual int _RTLENTRY underflow();
- virtual int _RTLENTRY sync();
- virtual streampos _RTLENTRY seekoff(streamoff, ios::seek_dir, int);
- virtual streambuf _FAR * _RTLENTRY setbuf(char _FAR *, int);
-
- #if defined(__FLAT__)
- virtual void _RTLENTRY lock();
- virtual void _RTLENTRY unlock();
- #endif
-
- protected:
- int xfd; // the file descriptor, EOF if closed
- int mode; // the opened mode
- short opened; // non-zero if file is open
-
- streampos last_seek; // unused ***
- char _FAR * in_start; // unused ***
-
- int _RTLENTRY last_op(); // unused ***
- char lahead[2]; // current input char if unbuffered ***
- };
- /*
- * The data members marked with *** above are not documented in the AT&T
- * release of streams, so we cannot guarantee compatibility with any
- * other streams release in the use or values of these data members.
- * If you can document any expected behavior of these data members, we
- * will try to adjust our implementation accordingly.
- */
- inline int _RTLENTRY filebuf::is_open() { return opened; }
- inline int _RTLENTRY filebuf::fd() { return xfd; }
-
- class _EXPCLASS fstreambase : virtual public ios {
- public:
- _RTLENTRY fstreambase();
- _RTLENTRY fstreambase(const char _FAR *, int, int = filebuf::openprot);
- _RTLENTRY fstreambase(int);
- _RTLENTRY fstreambase(int __f, char _FAR *, int);
- _RTLENTRY ~fstreambase();
-
- void _RTLENTRY open(const char _FAR *, int, int = filebuf::openprot);
- void _RTLENTRY attach(int);
- void _RTLENTRY close();
- void _RTLENTRY setbuf(char _FAR *, int);
- filebuf _FAR * _RTLENTRY rdbuf();
-
- protected:
- void _RTLENTRY verify(int); // unimplemented ***
-
- private:
- filebuf buf;
- };
- /*
- * The function member marked with *** above is not documented in the AT&T
- * release of streams, so we cannot guarantee compatibility with any
- * other streams release in its use.
- * If you can document any expected behavior of this function member, we
- * will try to adjust our implementation accordingly.
- */
- inline filebuf _FAR * _RTLENTRY fstreambase::rdbuf() { return &buf; }
-
- class _EXPCLASS ifstream : public fstreambase, public istream {
- public:
- _RTLENTRY ifstream();
- _RTLENTRY ifstream(const char _FAR *,int = ios::in,int = filebuf::openprot);
- _RTLENTRY ifstream(int);
- _RTLENTRY ifstream(int __f, char _FAR *, int);
- _RTLENTRY ~ifstream();
-
- filebuf _FAR * _RTLENTRY rdbuf();
- void _RTLENTRY open(const char _FAR *, int = ios::in,
- int = filebuf::openprot);
- };
- inline filebuf _FAR * _RTLENTRY ifstream::rdbuf() { return fstreambase::rdbuf(); }
- inline void _RTLENTRY ifstream::open(const char _FAR * __name, int __m, int __prot) {
- fstreambase::open(__name, __m | ios::in, __prot);
- }
-
-
- class _EXPCLASS ofstream : public fstreambase, public ostream {
- public:
- _RTLENTRY ofstream();
- _RTLENTRY ofstream(const char _FAR *, int = ios::out, int = filebuf::openprot);
- _RTLENTRY ofstream(int);
- _RTLENTRY ofstream(int __f, char _FAR *, int);
- _RTLENTRY ~ofstream();
-
- filebuf _FAR * _RTLENTRY rdbuf();
- void _RTLENTRY open(const char _FAR *, int = ios::out,
- int = filebuf::openprot);
- };
- inline filebuf _FAR * _RTLENTRY ofstream::rdbuf() { return fstreambase::rdbuf(); }
- inline void _RTLENTRY ofstream::open(const char _FAR * __name, int __m, int __prot) {
- fstreambase::open(__name, __m | ios::out, __prot);
- }
-
-
- class _EXPCLASS fstream : public fstreambase, public iostream {
- public:
- _RTLENTRY fstream();
- _RTLENTRY fstream(const char _FAR *, int, int = filebuf::openprot);
- _RTLENTRY fstream(int);
- _RTLENTRY fstream(int __f, char _FAR *, int);
- _RTLENTRY ~fstream();
-
- filebuf _FAR * _RTLENTRY rdbuf();
- void _RTLENTRY open(const char _FAR *, int, int = filebuf::openprot);
- };
- inline filebuf _FAR * _RTLENTRY fstream::rdbuf() {return fstreambase::rdbuf();}
- inline void _RTLENTRY fstream::open(const char _FAR * __name, int __m, int __prot) {
- fstreambase::open(__name, __m, __prot);
- }
-
-
- #if !defined(RC_INVOKED)
-
- #if defined(__STDC__)
- #pragma warn .nak
- #endif
-
- #pragma option -Vo.
-
- #if !defined(__TINY__)
- #pragma option -RT.
- #endif
-
- #if defined(__BCOPT__)
- #if !defined(_RTL_ALLOW_po) && !defined(__FLAT__)
- #pragma option -po. // restore Object data calling convention
- #endif
- #endif
-
- #pragma option -a. /* restore default packing */
-
- #endif /* !RC_INVOKED */
-
-
- #endif /* __FSTREAM_H */
-