sam_data_getsize (3) - Linux Manuals
sam_data_getsize: Return size of stored data in bytes
NAME
sam_data_getsize - Return size of stored data in bytes
SYNOPSIS
#include <corosync/sam.h>
cs_error_t sam_data_getsize (size_t *size);
DESCRIPTION
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.
RETURN VALUE
This call return CS_OK value if successful, otherwise and error is returned.
ERRORS
- 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
SEE ALSO
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 inturrupted by a signal
CS_ERR_NOT_SUPPORTED The requested protocol/functuality not supported
CS_ERR_MESSAGE_ERROR Incorrect auth message received
CS_ERR_NO_MEMORY Not enough memory to completed the requested task