diff options
Diffstat (limited to 'Build/source/utils/lzma-utils/src/sdk/Common/C_FileIO.cpp')
-rw-r--r-- | Build/source/utils/lzma-utils/src/sdk/Common/C_FileIO.cpp | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/Build/source/utils/lzma-utils/src/sdk/Common/C_FileIO.cpp b/Build/source/utils/lzma-utils/src/sdk/Common/C_FileIO.cpp new file mode 100644 index 00000000000..87878f98a1f --- /dev/null +++ b/Build/source/utils/lzma-utils/src/sdk/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, 0600); + 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, 0600); + 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); +} + +}}} |