misc/libphysfs/lzma/CPP/7zip/Common/FileStreams.cpp
author nemo
Mon, 10 Apr 2017 12:06:43 -0400
changeset 12213 bb5522e88ab2
permissions -rw-r--r--
bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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// FileStreams.cpp
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#include "StdAfx.h"
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#ifndef _WIN32
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#include <fcntl.h>
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#include <unistd.h>
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#include <errno.h>
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#endif
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#include "FileStreams.h"
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static inline HRESULT ConvertBoolToHRESULT(bool result)
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{
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  #ifdef _WIN32
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  if (result)
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    return S_OK;
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  DWORD lastError = ::GetLastError();
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  if (lastError == 0)
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    return E_FAIL;
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  return lastError;
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  #else
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  return result ? S_OK: E_FAIL;
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  #endif
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}
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bool CInFileStream::Open(LPCTSTR fileName)
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{
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  return File.Open(fileName);
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}
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#ifdef USE_WIN_FILE
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#ifndef _UNICODE
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bool CInFileStream::Open(LPCWSTR fileName)
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{
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  return File.Open(fileName);
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}
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#endif
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#endif
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bool CInFileStream::OpenShared(LPCTSTR fileName, bool shareForWrite)
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{
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  return File.OpenShared(fileName, shareForWrite);
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}
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#ifdef USE_WIN_FILE
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#ifndef _UNICODE
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bool CInFileStream::OpenShared(LPCWSTR fileName, bool shareForWrite)
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{
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  return File.OpenShared(fileName, shareForWrite);
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}
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#endif
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#endif
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STDMETHODIMP CInFileStream::Read(void *data, UInt32 size, UInt32 *processedSize)
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{
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  #ifdef USE_WIN_FILE
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  UInt32 realProcessedSize;
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  bool result = File.ReadPart(data, size, realProcessedSize);
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  if(processedSize != NULL)
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    *processedSize = realProcessedSize;
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  return ConvertBoolToHRESULT(result);
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  #else
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  if(processedSize != NULL)
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    *processedSize = 0;
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  ssize_t res = File.Read(data, (size_t)size);
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  if (res == -1)
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    return E_FAIL;
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  if(processedSize != NULL)
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    *processedSize = (UInt32)res;
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  return S_OK;
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  #endif
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    77
}
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parents:
diff changeset
    78
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
nemo
parents:
diff changeset
    79
#ifndef _WIN32_WCE
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diff changeset
    80
STDMETHODIMP CStdInFileStream::Read(void *data, UInt32 size, UInt32 *processedSize)
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diff changeset
    81
{
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diff changeset
    82
  #ifdef _WIN32
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parents:
diff changeset
    83
  UInt32 realProcessedSize;
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nemo
parents:
diff changeset
    84
  BOOL res = ::ReadFile(GetStdHandle(STD_INPUT_HANDLE), 
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nemo
parents:
diff changeset
    85
      data, size, (DWORD *)&realProcessedSize, NULL);
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
nemo
parents:
diff changeset
    86
  if(processedSize != NULL)
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
nemo
parents:
diff changeset
    87
    *processedSize = realProcessedSize;
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
nemo
parents:
diff changeset
    88
  if (res == FALSE && GetLastError() == ERROR_BROKEN_PIPE)
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
nemo
parents:
diff changeset
    89
    return S_OK;
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
nemo
parents:
diff changeset
    90
  return ConvertBoolToHRESULT(res != FALSE);
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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parents:
diff changeset
    91
  
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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diff changeset
    92
  #else
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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parents:
diff changeset
    93
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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parents:
diff changeset
    94
  if(processedSize != NULL)
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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parents:
diff changeset
    95
    *processedSize = 0;
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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parents:
diff changeset
    96
  ssize_t res;
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diff changeset
    97
  do 
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diff changeset
    98
  {
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diff changeset
    99
    res = read(0, data, (size_t)size);
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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   100
  } 
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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diff changeset
   101
  while (res < 0 && (errno == EINTR));
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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diff changeset
   102
  if (res == -1)
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parents:
diff changeset
   103
    return E_FAIL;
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
nemo
parents:
diff changeset
   104
  if(processedSize != NULL)
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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parents:
diff changeset
   105
    *processedSize = (UInt32)res;
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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diff changeset
   106
  return S_OK;
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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parents:
diff changeset
   107
  
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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diff changeset
   108
  #endif
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diff changeset
   109
}
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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parents:
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   110
  
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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diff changeset
   111
#endif
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parents:
diff changeset
   112
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   113
STDMETHODIMP CInFileStream::Seek(Int64 offset, UInt32 seekOrigin, 
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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   114
    UInt64 *newPosition)
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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   115
{
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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   116
  if(seekOrigin >= 3)
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   117
    return STG_E_INVALIDFUNCTION;
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parents:
diff changeset
   118
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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   119
  #ifdef USE_WIN_FILE
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diff changeset
   120
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   121
  UInt64 realNewPosition;
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   122
  bool result = File.Seek(offset, seekOrigin, realNewPosition);
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diff changeset
   123
  if(newPosition != NULL)
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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   124
    *newPosition = realNewPosition;
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diff changeset
   125
  return ConvertBoolToHRESULT(result);
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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parents:
diff changeset
   126
  
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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diff changeset
   127
  #else
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parents:
diff changeset
   128
  
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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parents:
diff changeset
   129
  off_t res = File.Seek(offset, seekOrigin);
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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diff changeset
   130
  if (res == -1)
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parents:
diff changeset
   131
    return E_FAIL;
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parents:
diff changeset
   132
  if(newPosition != NULL)
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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parents:
diff changeset
   133
    *newPosition = (UInt64)res;
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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parents:
diff changeset
   134
  return S_OK;
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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parents:
diff changeset
   135
  
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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parents:
diff changeset
   136
  #endif
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parents:
diff changeset
   137
}
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parents:
diff changeset
   138
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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parents:
diff changeset
   139
STDMETHODIMP CInFileStream::GetSize(UInt64 *size)
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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   140
{
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nemo
parents:
diff changeset
   141
  return ConvertBoolToHRESULT(File.GetLength(*size));
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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parents:
diff changeset
   142
}
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nemo
parents:
diff changeset
   143
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
nemo
parents:
diff changeset
   144
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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parents:
diff changeset
   145
//////////////////////////
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parents:
diff changeset
   146
// COutFileStream
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parents:
diff changeset
   147
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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parents:
diff changeset
   148
HRESULT COutFileStream::Close()
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   149
{
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
nemo
parents:
diff changeset
   150
  return ConvertBoolToHRESULT(File.Close());
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parents:
diff changeset
   151
}
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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parents:
diff changeset
   152
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diff changeset
   153
STDMETHODIMP COutFileStream::Write(const void *data, UInt32 size, UInt32 *processedSize)
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   154
{
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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parents:
diff changeset
   155
  #ifdef USE_WIN_FILE
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   156
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   157
  UInt32 realProcessedSize;
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   158
  bool result = File.WritePart(data, size, realProcessedSize);
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   159
  ProcessedSize += realProcessedSize;
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   160
  if(processedSize != NULL)
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   161
    *processedSize = realProcessedSize;
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   162
  return ConvertBoolToHRESULT(result);
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   163
  
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   164
  #else
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   165
  
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   166
  if(processedSize != NULL)
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   167
    *processedSize = 0;
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   168
  ssize_t res = File.Write(data, (size_t)size);
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   169
  if (res == -1)
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   170
    return E_FAIL;
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   171
  if(processedSize != NULL)
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   172
    *processedSize = (UInt32)res;
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   173
  ProcessedSize += res;
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   174
  return S_OK;
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   175
  
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   176
  #endif
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   177
}
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   178
  
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   179
STDMETHODIMP COutFileStream::Seek(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition)
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   180
{
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   181
  if(seekOrigin >= 3)
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   182
    return STG_E_INVALIDFUNCTION;
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   183
  #ifdef USE_WIN_FILE
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   184
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   185
  UInt64 realNewPosition;
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   186
  bool result = File.Seek(offset, seekOrigin, realNewPosition);
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   187
  if(newPosition != NULL)
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   188
    *newPosition = realNewPosition;
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   189
  return ConvertBoolToHRESULT(result);
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   190
  
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   191
  #else
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   192
  
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   193
  off_t res = File.Seek(offset, seekOrigin);
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   194
  if (res == -1)
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   195
    return E_FAIL;
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   196
  if(newPosition != NULL)
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   197
    *newPosition = (UInt64)res;
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   198
  return S_OK;
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   199
  
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   200
  #endif
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   201
}
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   202
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   203
STDMETHODIMP COutFileStream::SetSize(Int64 newSize)
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   204
{
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   205
  #ifdef USE_WIN_FILE
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   206
  UInt64 currentPos;
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   207
  if(!File.Seek(0, FILE_CURRENT, currentPos))
bb5522e88ab2 bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
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   208
    return E_FAIL;
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   209
  bool result = File.SetLength(newSize);
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   210
  UInt64 currentPos2;
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   211
  result = result && File.Seek(currentPos, currentPos2);
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   212
  return result ? S_OK : E_FAIL;
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   213
  #else
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   214
  return E_FAIL;
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   215
  #endif
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   216
}
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   217
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   218
#ifndef _WIN32_WCE
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   219
STDMETHODIMP CStdOutFileStream::Write(const void *data, UInt32 size, UInt32 *processedSize)
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   220
{
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   221
  if(processedSize != NULL)
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   222
    *processedSize = 0;
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diff changeset
   223
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   224
  #ifdef _WIN32
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   225
  UInt32 realProcessedSize;
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   226
  BOOL res = TRUE;
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   227
  if (size > 0)
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   228
  {
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   229
    // Seems that Windows doesn't like big amounts writing to stdout.
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   230
    // So we limit portions by 32KB.
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parents:
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   231
    UInt32 sizeTemp = (1 << 15); 
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   232
    if (sizeTemp > size)
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      sizeTemp = size;
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    res = ::WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), 
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        data, sizeTemp, (DWORD *)&realProcessedSize, NULL);
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    size -= realProcessedSize;
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    data = (const void *)((const Byte *)data + realProcessedSize);
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    if(processedSize != NULL)
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      *processedSize += realProcessedSize;
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  }
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  return ConvertBoolToHRESULT(res != FALSE);
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  #else
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  ssize_t res;
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   246
  do 
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  {
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    res = write(1, data, (size_t)size);
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   249
  } 
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  while (res < 0 && (errno == EINTR));
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   251
  if (res == -1)
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    return E_FAIL;
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  if(processedSize != NULL)
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    *processedSize = (UInt32)res;
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  return S_OK;
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   257
  return S_OK;
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   258
  #endif
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   259
}
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   261
#endif