src/session/add.c

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#include <search.h>

#include "session.h"
#include "class.h"


static
inline
int
sessionAddComp(const void * _a, const void * _b)
{
        Session a = (Session)_a;
        Session b = (Session)_b;
        return (a->id < b->id)? -1 : (a->id > b->id)? 1 : 0;
}

Session
sessionAdd(const Session * root, Session session)
{
        Session * found = tsearch(session, (void**)root, sessionAddComp);

        if (NULL == found) {
                return NULL;
        }

        if (*found != session) {
                delete(session);
        }

        return *found;
}

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