source: doc/papers/general/evaluation/c-pair.c@ deca0f5

#include <stdlib.h>
#include "c-pair.h"

pair * new_pair( void * first, void * second ) {
        pair * p = malloc( sizeof(pair) ); /***/
        *p = (pair){ first, second }; /***/
        return p;
}

pair * copy_pair( const pair * src, 
                void * (* copy_first)(const void* ), void * (* copy_second)(const void *)) {
        return new_pair( copy_first(src->first), copy_second(src->second) );
}

void free_pair( pair * p, void (* free_first)(void *), void (* free_second)(void *)) {
        free_first( p->first );
        free_second( p->second );
        free( p );
}

int cmp_pair( const pair * a, const pair * b, 
                int (* cmp_first)(const void *, const void *), int (* cmp_second)(const void *, const void *)) {
        int c = cmp_first( a->first, b->first );
        if ( c == 0 ) c = cmp_second( a->second, b->second );
        return c;
}