#include <sys/types.h>
#include <string.h>
#include <errno.h>

#include "cbuf.h"

char *
cbufSetData(Cbuf this, const void * src, size_t n)
{
	char * addr;

	if (n > cbufGetFree(this)) {
		errno = ECBUFOVFL;
		return -1;
	}

	addr = memcpy(cbufGetWrite(this), src, n);
	cbufIncWrite(this, n);

	return addr;
}

// vim: set ts=4 sw=4: