int main(int argc, char* argv[]) {
int err, i;
char key[10], value[10];
CHUNK* chunk;
/* create database file */
err = chunk_create(FILENAME, HTABLE_SIZE);
if (err) {
printf("Error: cant create chunk file\n");
return -1;
}
/* open database file */
chunk = malloc(sizeof(CHUNK));
err = chunk_open(chunk, FILENAME, CACHE_SIZE);
if (err) {
free(chunk);
printf("Error: problem with open chunk file\n");
return -2;
}
/* insert */
for(i=0; i<SIZE; i++) {
sprintf(key, "%s%d", "key", i);
sprintf(value, "%s%d", "value", i);
chunk_set(chunk, key, value);
}
/* remove */
printf("chunk_remove key5 %d\n", chunk_remove(chunk, "key5"));
printf("chunk_remove key7 %d\n", chunk_remove(chunk, "key7"));
/* get */
for(i=0; i<SIZE; i++) {
sprintf(key, "%s%d", "key", i);
printf("chunk_get %s = %s\n",key, chunk_get(chunk, key));
}
/* forEach */
chunk_for_each(chunk, display);
/* close */
chunk_close(chunk);
free(chunk);
return 0;
}
static void
_chunk_fusion(struct malloc_infos *list, struct chunk *prev, struct chunk *next)
{
if ((char *)next == (char *)prev + prev->size)
{
chunk_remove_free(list, prev);
chunk_remove(list, next);
prev->size += next->size + sizeof (struct chunk);
chunk_append_free(list, prev);
}
}
void
chunk_give_back(struct malloc_infos *list)
{
struct chunk *chunk;
chunk = list->lmain;
if (!chunk)
return;
if (chunk->size < MALLOC_GIVE_BACK_SIZE)
return;
if (chunk->type != MALLOC_CHUNK_FREE)
return;
#if _MALLOC_USES_SBRK
if ((char *) chunk + (chunk->size + sizeof (struct chunk)) > __curent_brk)
return;
chunk_remove(list, chunk);
brk(chunk);
#endif
}