corosync/man/sam_data_getsize.3.in

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.TH "SAM_DATA_GETSIZE" 3 "04/15/2010" "corosync Man Page" "Corosync Cluster Engine Programmer's Manual"

.SH NAME
.P
sam_data_getsize \- Return size of stored data in bytes

.SH SYNOPSIS
.P
\fB#include <corosync/sam.h>\fR

.P
\fBcs_error_t sam_data_getsize (size_t *\fIsize\fB);\fR

.SH DESCRIPTION
.P
The \fBsam_data_getsize\fR 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 \fBsam_data_restore(3)\fR call to
properly allocate buffer for restored data.

.SH RETURN VALUE
.P
This call return CS_OK value if successful, otherwise and error is returned.

.SH ERRORS
.TP
CS_ERR_BAD_HANDLE
component was not initialized by calling \fBsam_initialize(3)\fR or it was finalized.
.TP
CS_ERR_INVALID_PARAM
size parameter is NULL

.SH "SEE ALSO"
.BR sam_data_store (3),
.BR sam_data_restore (3)