man vrb_put_all (3): put all data into a VRB

LIBRARY

-lvrb

#include <vrb.h>

int vrb_put_all(vrb_p vrb, char *source, size_t size);

vrb_put_all puts caller provided data into a virtual ring buffer only if all the data will fit.

vrb_p vrb
specifies which virtual ring buffer.

char *source
specifies the location where to copy the data from.

size_t size
specifies the length of data provided by the caller.

int
If the data fits and is copied, 0 is returned, otherwise -1 is returned.

If an error is returned, then errno will have one of the following values:

EINVAL: An invalid virtual ring buffer pointer was specified.
ENOSPC: The virtual ring buffer does not have enough space to hold all of the data.