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Diffstat (limited to '')
| -rw-r--r-- | public/sdk/inc/fstream.hxx | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/public/sdk/inc/fstream.hxx b/public/sdk/inc/fstream.hxx new file mode 100644 index 000000000..1abb1870f --- /dev/null +++ b/public/sdk/inc/fstream.hxx @@ -0,0 +1,87 @@ +//+--------------------------------------------------------------------------- +// +// Copyright (C) 1992, Microsoft Corporation. +// +// File: FSTREAM.HXX +// +// Contents: Streams for accessing files w/runtime libs +// +// Classes: CStreamFile +// +// History: 05-Aug-92 MikeHew Created +// 14-Aug-92 KyleP Hacked +// 23-Nov-92 AmyA Revised for buffering data +// +//---------------------------------------------------------------------------- + +#ifndef __FSTREAM_HXX__ +#define __FSTREAM_HXX__ + +#ifdef DISPLAY_INCLUDES +#pragma message( "#include <" __FILE__ ">..." ) +#endif + +#include <except.hxx> +#include <streams.hxx> +#include <stdio.h> +#include <debnot.h> // for Win4Assert + +#define defaultBufSize 4096 + +//+--------------------------------------------------------------------------- +// +// Class: CStreamFile +// +// Purpose: Stream for dumping data to a file and reading back +// +// History: 29-Jul-92 MikeHew Created +// 23-Nov-92 AmyA Revised for buffering data +// +// Notes: Seek() is from the current offset +// +//---------------------------------------------------------------------------- + +class CStreamFile : INHERIT_VIRTUAL_UNWIND, public CStreamA +{ + DECLARE_UNWIND +public: + enum FileType + { + NewFile, + NewOrExistingFile, + ExistingFile + }; + + EXPORTDEF CStreamFile( const char * filename, FileType type ); + + EXPORTDEF ~CStreamFile(); + + // + // Status functions + // + BOOL Ok() { return (_fp != 0) && !ferror( _fp ); } + + // + // Input from stream functions + // + EXPORTDEF unsigned APINOT Read( void *dest, unsigned size ); + + // + // Output to stream functions + // + EXPORTDEF unsigned APINOT Write( const void *source, unsigned size ); + + // + // Misc + // + EXPORTDEF int APINOT Seek( LONG offset, CStream::SEEK origin = CStream::SET ); + + ULONG Size(); + +private: + BOOL FillBuf(); + + FILE * _fp; +}; + +#endif // __FSTREAM_HXX__ |