misc/libphysfs/lzma/CPP/Common/C_FileIO.cpp
author nemo
Mon, 10 Apr 2017 12:06:43 -0400
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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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// Common/C_FileIO.h
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#include "C_FileIO.h"
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#include <fcntl.h>
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#include <unistd.h>
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namespace NC {
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namespace NFile {
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namespace NIO {
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bool CFileBase::OpenBinary(const char *name, int flags)
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{
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  #ifdef O_BINARY
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  flags |= O_BINARY;
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  #endif
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  Close();
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  _handle = ::open(name, flags, 0666);
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  return _handle != -1;
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}
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bool CFileBase::Close()
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{
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  if(_handle == -1)
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    return true;
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  if (close(_handle) != 0)
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    return false;
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  _handle = -1;
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  return true;
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}
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bool CFileBase::GetLength(UInt64 &length) const
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{
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  off_t curPos = Seek(0, SEEK_CUR);
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  off_t lengthTemp = Seek(0, SEEK_END);
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  Seek(curPos, SEEK_SET);
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  length = (UInt64)lengthTemp;
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  return true;
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}
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off_t CFileBase::Seek(off_t distanceToMove, int moveMethod) const
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{
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  return ::lseek(_handle, distanceToMove, moveMethod);
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}
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/////////////////////////
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// CInFile
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bool CInFile::Open(const char *name)
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{
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  return CFileBase::OpenBinary(name, O_RDONLY);
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}
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bool CInFile::OpenShared(const char *name, bool)
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{
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  return Open(name);
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}
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ssize_t CInFile::Read(void *data, size_t size)
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{
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  return read(_handle, data, size);
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}
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/////////////////////////
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// COutFile
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bool COutFile::Create(const char *name, bool createAlways)
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{
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  if (createAlways)
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  {
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    Close();
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    _handle = ::creat(name, 0666);
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    return _handle != -1;
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  }
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  return OpenBinary(name, O_CREAT | O_EXCL | O_WRONLY);
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}
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bool COutFile::Open(const char *name, DWORD creationDisposition)
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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{
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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  return Create(name, 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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}
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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    82
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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    83
ssize_t COutFile::Write(const void *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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    84
{
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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  return write(_handle, data, 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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}
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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    87
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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    88
}}}