diff options
author | Norbert Preining <preining@logic.at> | 2008-01-06 16:16:41 +0000 |
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committer | Norbert Preining <preining@logic.at> | 2008-01-06 16:16:41 +0000 |
commit | 6c31deb575708d803d45bd824f6e947d69ff7b34 (patch) | |
tree | cae988d97939a193eaae9b776f4e8849823261be /Build/source/utils/lzma-utils/src/sdk/Common/C_FileIO.cpp | |
parent | 671de1e35391acc8a31f65bae5fb6f0bba7e3260 (diff) |
add new lzma-utils 4.32.4
git-svn-id: svn://tug.org/texlive/trunk@6053 c570f23f-e606-0410-a88d-b1316a301751
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); +} + +}}} |