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Viewing changes to libs/libkdcraw/libraw/libraw/libraw_datastream.h

  • Committer: Bazaar Package Importer
  • Author(s): Jonathan Thomas
  • Date: 2009-12-02 14:03:43 UTC
  • mfrom: (1.1.35 upstream)
  • Revision ID: james.westby@ubuntu.com-20091202140343-2732gbkj69g89arq
Tags: 4:4.3.80-0ubuntu1
* New upstream beta release:
  - Add build-depend on shared-desktop-ontologies for nepomuk integration
  - Bump .so versions for libkexiv, libkdcraw and libkipi
  - Update various .install files

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libs/libkdcraw/libraw/libraw/libraw_datastream.h
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/* -*- C -*-
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 * File: libraw_datastream.h
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 * Copyright 2008-2009 Alex Tutubalin <lexa@lexa.ru>
 
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 * Copyright 2008-2009 LibRaw LLC (info@libraw.org)
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 * Created: Sun Jan 18 13:07:35 2009
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 *
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 * LibRaw Data stream interface
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struct LibRaw_abstract_datastream;
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#else // __cplusplus
 
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#else /* __cplusplus */
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#include "libraw_const.h"
 
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#include "libraw_types.h"
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class LibRaw_buffer_datastream;
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    LibRaw_abstract_datastream(){substream=0;};
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    virtual             ~LibRaw_abstract_datastream(void){if(substream) delete substream;}
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    virtual int         valid(){return 0;}
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    // file input emulation
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    virtual int         read(void *,size_t, size_t ){ return -1;}
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    virtual int         seek(off_t /*o*/, int /*whence*/){return -1;}
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    virtual int         tell(){return -1;}
 
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    virtual int         seek(INT64 , int ){return -1;}
 
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    virtual INT64       tell(){return -1;}
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    virtual int         get_char(){return -1;}
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    virtual char*       gets(char *, int){ return NULL;}
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    virtual int         scanf_one(const char *, void *){return -1;}
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        CHK(); 
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        return substream?substream->eof():feof(f);
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    }
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    virtual int seek(off_t o, int whence) 
 
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    virtual int seek(INT64 o, int whence) 
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    { 
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        CHK(); 
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        return substream?substream->seek(o,whence):fseek(f,o,whence);
 
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#if defined (WIN32) 
 
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#if __MSVCRT_VERSION__ >= 0x800
 
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        return substream?substream->seek(o,whence):_fseeki64(f,o,whence);
 
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#else
 
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        return substream?substream->seek(o,whence):fseek(f,(size_t)o,whence);
 
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#endif
 
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#else
 
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        return substream?substream->seek(o,whence):fseeko(f,o,whence);
 
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#endif
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    }
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    virtual int tell() 
 
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    virtual INT64 tell() 
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    { 
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        CHK(); 
 
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#if defined (WIN32)
 
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#if __MSVCRT_VERSION__ >= 0x800
 
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        return substream?substream->tell():_ftelli64(f);
 
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#else
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        return substream?substream->tell():ftell(f);
 
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#endif
 
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#else
 
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        return substream?substream->tell():ftello(f);
 
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#endif
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    }
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    virtual int get_char() 
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    { 
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    virtual const char *fname() { return filename; }
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    // secondary 
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    virtual int subfile_open(const char *fn)
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    {
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        if(sav) return EBUSY;
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        return streampos >= streamsize;
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    }
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    virtual int seek(off_t o, int whence) 
 
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    virtual int seek(INT64 o, int whence) 
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    { 
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        if(substream) return substream->seek(o,whence);
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        switch(whence)
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                        if(size_t(-o) >= streampos)
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                            streampos = 0;
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                        else
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                            streampos += o;
 
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                            streampos += (size_t)o;
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                    }
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                else if (o>0)
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                    {
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                        if(o+streampos> streamsize)
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                            streampos = streamsize;
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                        else
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                            streampos += o;
 
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                            streampos += (size_t)o;
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                    }
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                return 0;
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            case SEEK_END:
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                else if ( size_t(-o) > streamsize)
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                    streampos = 0;
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                else
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                    streampos = streamsize+o;
 
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                    streampos = streamsize+(size_t)o;
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                return 0;
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            default:
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                return 0;
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            }
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    }
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    virtual int tell() 
 
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    virtual INT64 tell() 
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    { 
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        if(substream) return substream->tell();
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        return int(streampos);
 
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        return INT64(streampos);
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    }
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    virtual int get_char()