int main(int argc,char *argv[])
{
struct freemap *fm;
int fd;
off_t offset;
unsigned int size;
FILE *f;
struct freemap *newfm;
fm = freemap_new();
if(fm == NULL)
return -1;
if(freemap_add(fm,NULL,FREEMAP_CREAT) != 0)
return -1;
size = 4096;
if(freemap_malloc(fm,&size,&fd,&offset) != 0)
return -1;
f = fopen("test","w+");
if(freemap_dump(fm,f) != 0)
return -1;
if(fseek(f,SEEK_SET,0L) != 0)
return -1;
newfm = freemap_load(f);
if(newfm == NULL)
return -1;
freemap_free(fm);
freemap_free(newfm);
return 0;
}
void *mdb_handle_delete(mdb_handle_map_t *hmap, mdb_handle_t h)
{
uint32_t useid = HANDLE_USEID(h);
int index = HANDLE_INDEX(h);
void *old_data;
MDB_CHECKARG(hmap && h != MDB_HANDLE_INVALID, NULL);
if (!(old_data = index_free(&hmap->indextbl, useid,index))) {
/* errno has been set by index_free() */
return NULL;
}
if (freemap_free(&hmap->freemap, index) < 0) {
/* errno has been set by freemap_free() */
return NULL;
}
return old_data;
}