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| author | John Schoenick <[email protected]> | 2015-09-09 18:35:41 -0700 |
|---|---|---|
| committer | John Schoenick <[email protected]> | 2015-09-09 18:35:41 -0700 |
| commit | 0d8dceea4310fde5706b3ce1c70609d72a38efdf (patch) | |
| tree | c831ef32c2c801a5c5a80401736b52c7b5a528ec /sp/src/utils/lzma/C/Common/C_FileIO.cpp | |
| parent | Updated the SDK with the latest code from the TF and HL2 branches. (diff) | |
| download | source-sdk-2013-0d8dceea4310fde5706b3ce1c70609d72a38efdf.tar.xz source-sdk-2013-0d8dceea4310fde5706b3ce1c70609d72a38efdf.zip | |
Diffstat (limited to 'sp/src/utils/lzma/C/Common/C_FileIO.cpp')
| -rw-r--r-- | sp/src/utils/lzma/C/Common/C_FileIO.cpp | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/sp/src/utils/lzma/C/Common/C_FileIO.cpp b/sp/src/utils/lzma/C/Common/C_FileIO.cpp new file mode 100644 index 00000000..7d9e00d0 --- /dev/null +++ b/sp/src/utils/lzma/C/Common/C_FileIO.cpp @@ -0,0 +1,78 @@ +// Common/C_FileIO.h + +#include "C_FileIO.h" + +#include <fcntl.h> +#include <unistd.h> + +namespace NC { +namespace NFile { +namespace NIO { + +bool CFileBase::OpenBinary(const char *name, int flags) +{ + #ifdef O_BINARY + flags |= O_BINARY; + #endif + Close(); + _handle = ::open(name, flags, 0666); + return _handle != -1; +} + +bool CFileBase::Close() +{ + if(_handle == -1) + return true; + if (close(_handle) != 0) + return false; + _handle = -1; + return true; +} + +bool CFileBase::GetLength(UInt64 &length) const +{ + off_t curPos = Seek(0, SEEK_CUR); + off_t lengthTemp = Seek(0, SEEK_END); + Seek(curPos, SEEK_SET); + length = (UInt64)lengthTemp; + return true; +} + +off_t CFileBase::Seek(off_t distanceToMove, int moveMethod) const +{ + return ::lseek(_handle, distanceToMove, moveMethod); +} + +///////////////////////// +// CInFile + +bool CInFile::Open(const char *name) +{ + return CFileBase::OpenBinary(name, O_RDONLY); +} + +ssize_t CInFile::Read(void *data, size_t size) +{ + return read(_handle, data, size); +} + +///////////////////////// +// COutFile + +bool COutFile::Create(const char *name, bool createAlways) +{ + if (createAlways) + { + Close(); + _handle = ::creat(name, 0666); + return _handle != -1; + } + return OpenBinary(name, O_CREAT | O_EXCL | O_WRONLY); +} + +ssize_t COutFile::Write(const void *data, size_t size) +{ + return write(_handle, data, size); +} + +}}} |