#include <stdlib.h>
#include <string.h>
#include "cache.h"

struct _list
	{
	char *name;
	void *value;
	};


cache::cache(loadFunc fn,int entries)
{
 loadFn_ = fn;
 listMaxLen_ = entries;
 list_ = (struct _list *) malloc(entries * sizeof(struct _list));
 listLen_ = 0;
}

void * cache::get(char *name)
{
 int i;
 void *val;
 if (!name)
	return NULL;
 for (i=0; i < listLen_; i++)
	if (!strcmp(name,list_[i].name))
		return list_[i].value;
 if (listLen_ >= listMaxLen_)
	{
	listMaxLen_ *= 2;
	list_ = (struct _list *) realloc(list_,
					listMaxLen_ * sizeof(struct _list));
	}
 list_[listLen_].name = strdup(name);
 val = list_[listLen_].value = (*loadFn_)(name);
 listLen_++;
 return val;
}