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authorAndreas Baumann <mail@andreasbaumann.cc>2015-01-03 13:58:15 +0100
committerAndreas Baumann <mail@andreasbaumann.cc>2015-01-03 13:58:15 +0100
commit4aca87515a5083ae0e31ce3177189fd43b6d05ac (patch)
tree7b1d9a31393ca090757dc6f0d3859b4fcd93f271 /release/src/linux/linux/scripts/squashfs/lzma/C/Common/C_FileIO.cpp
parent008d0be72b2f160382c6e880765e96b64a050c65 (diff)
downloadtomato-4aca87515a5083ae0e31ce3177189fd43b6d05ac.tar.gz
tomato-4aca87515a5083ae0e31ce3177189fd43b6d05ac.tar.bz2
patch to Vanilla Tomato 1.28
Diffstat (limited to 'release/src/linux/linux/scripts/squashfs/lzma/C/Common/C_FileIO.cpp')
-rw-r--r--release/src/linux/linux/scripts/squashfs/lzma/C/Common/C_FileIO.cpp78
1 files changed, 78 insertions, 0 deletions
diff --git a/release/src/linux/linux/scripts/squashfs/lzma/C/Common/C_FileIO.cpp b/release/src/linux/linux/scripts/squashfs/lzma/C/Common/C_FileIO.cpp
new file mode 100644
index 00000000..48deb70a
--- /dev/null
+++ b/release/src/linux/linux/scripts/squashfs/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);
+}
+
+}}}