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1 #ifndef CORELIB___READER_WRITER__HPP 2 #define CORELIB___READER_WRITER__HPP 103 size_t* bytes_read = 0) = 0;
165 size_t* bytes_written = 0) = 0;
A very basic data-read/write interface.
A very basic data-read interface.
A very basic data-write interface.
#define END_NCBI_SCOPE
End previously defined NCBI scope.
#define BEGIN_NCBI_SCOPE
Define ncbi namespace.
ERW_Result
Result codes for I/O operations.
const char * g_RW_ResultToString(ERW_Result res)
virtual ERW_Result Flush(void)=0
Flush pending data (if any) down to the output device.
virtual ERW_Result PendingCount(size_t *count)=0
Via parameter "count" (which is guaranteed to be supplied non-NULL) return the number of bytes that a...
virtual ERW_Result Write(const void *buf, size_t count, size_t *bytes_written=0)=0
Write up to "count" bytes from the buffer pointed to by the "buf" argument onto the output device.
virtual ERW_Result Read(void *buf, size_t count, size_t *bytes_read=0)=0
Read as many as "count" bytes into a buffer pointed to by the "buf" argument.
@ eRW_NotImplemented
Action / information is not available.
@ eRW_Eof
End of data, should be considered permanent.
@ eRW_Error
Unrecoverable error, no retry possible.
@ eRW_Timeout
Timeout expired, try again later.
@ eRW_Success
Everything is okay, I/O completed.
#define NCBI_XNCBI_EXPORT
The NCBI C++/STL use hints.
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