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Member "muscle/zlib/GZDataIO.cpp" (21 Nov 2020, 1140 Bytes) of package /linux/privat/muscle7.62.zip:


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    1 /* This file is Copyright 2000-2013 Meyer Sound Laboratories Inc.  See the included LICENSE.txt file for details. */
    2 
    3 #ifdef MUSCLE_ENABLE_ZLIB_ENCODING
    4 
    5 #include "zlib/GZDataIO.h"
    6 
    7 namespace muscle {
    8 
    9 GZDataIO :: GZDataIO(const char * filePath, const char * mode)
   10    : _file(gzopen(filePath, mode))
   11 {
   12    // empty
   13 }
   14 
   15 GZDataIO :: ~GZDataIO()
   16 {
   17    ShutdownAux();
   18 }
   19 
   20 int32 GZDataIO :: Read(void * buffer, uint32 size)
   21 {
   22    if (_file == NULL) return -1;
   23    return gzread(_file, buffer, size);
   24 }
   25 
   26 int32 GZDataIO :: Write(const void * buffer, uint32 size)
   27 {
   28    if (_file == NULL) return -1;
   29    return gzwrite(_file, buffer, size);
   30 }
   31 
   32 void GZDataIO :: FlushOutput()
   33 {
   34    if (_file) (void) gzflush(_file, Z_BLOCK);
   35 }
   36 
   37 void GZDataIO :: Shutdown()
   38 {
   39    ShutdownAux();
   40 }
   41 
   42 void GZDataIO :: ShutdownAux()
   43 {
   44    if (_file)
   45    {
   46       gzclose(_file);
   47       _file = NULL;
   48    }
   49 }
   50 
   51 const ConstSocketRef & GZDataIO :: GetReadSelectSocket() const
   52 {
   53    return GetDefaultObjectForType<ConstSocketRef>();
   54 }
   55 
   56 const ConstSocketRef & GZDataIO :: GetWriteSelectSocket() const
   57 {
   58    return GetDefaultObjectForType<ConstSocketRef>();
   59 }
   60 
   61 } // end namespace muscle
   62 
   63 #endif