src/hash/add.c

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#include <search.h>

#include "hash.h"
#include "class.h"

static
inline
int
hashAddComp(const void * a, const void * b)
{
        return hashableGetHash((void*)b) - hashableGetHash((void*)a);
}

void *
hashAdd(Hash this, void * operand)
{
        void * found = tsearch(operand, &(this->root), hashAddComp);

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

        if (operand != *(void**)found) {
                hashableHandleDouble(*(void**)found, operand);
                delete(operand);
        }

        return *(void**)found;
}

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