sam_data_getsize - Return size of stored data in bytes
#include <corosync/sam.h>
cs_error_t sam_data_getsize (size_t *size);
The
sam_data_getsize function is used to return size of stored data. Size
is returned in bytes. If user data is NULL, zero is returned. Function is
intended to be used before
sam_data_restore(3) call to properly
allocate buffer for restored data.
This call return CS_OK value if successful, otherwise and error is returned.
- CS_ERR_BAD_HANDLE
- component was not initialized by calling
sam_initialize(3) or it was finalized.
- CS_ERR_INVALID_PARAM
- size parameter is NULL
sam_data_store(3),
sam_data_restore(3)
CS_ERR_TRY_AGAIN Resource temporarily unavailable
CS_ERR_INVALID_PARAM Invalid argument
CS_ERR_ACCESS Permission denied
CS_ERR_LIBRARY The connection failed
CS_ERR_INTERRUPT System call interrupted by a signal
CS_ERR_NOT_SUPPORTED The requested protocol/functionality not supported
CS_ERR_MESSAGE_ERROR Incorrect auth message received
CS_ERR_NO_MEMORY Not enough memory to complete the requested task