apr-util/misc/apr_rmm.c

25  * be empty).  The base pointer, rmm->base, points at the beginning of
27  * apr_rmm_off_t value, which represents the offset from the base
29  * "offset from rmm->base".
32  * the "header block", which is always stored at the base pointer.
42  * i.e. rmm->base is *not* a valid address for a block, since the
71     rmm_hdr_block_t *base;
82         struct rmm_block_t *blk = (rmm_block_t*)((char*)rmm->base + next);
99     apr_rmm_off_t next = rmm->base->firstfree;
104         struct rmm_block_t *blk = (rmm_block_t*)((char*)rmm->base + next);
124         struct rmm_block_t *blk = (rmm_block_t*)((char*)rmm->base + best);
125         struct rmm_block_t *new = (rmm_block_t*)((char*)rmm->base + best + size);
135             blk = (rmm_block_t*)((char*)rmm->base + new->next);
145     struct rmm_block_t *blk = (rmm_block_t*)((char*)rmm->base + this);
149         struct rmm_block_t *prev = (rmm_block_t*)((char*)rmm->base + blk->prev);
154             rmm->base->firstused = blk->next;
157             rmm->base->firstfree = blk->next;
161         struct rmm_block_t *next = (rmm_block_t*)((char*)rmm->base + blk->next);
167         blk->prev = find_block_by_offset(rmm, rmm->base->firstfree, this, 1);
169             blk->next = rmm->base->firstfree;
170             rmm->base->firstfree = this;
174         blk->prev = find_block_by_offset(rmm, rmm->base->firstused, this, 1);
176             blk->next = rmm->base->firstused;
177             rmm->base->firstused = this;
183         struct rmm_block_t *prev = (rmm_block_t*)((char*)rmm->base + blk->prev);
197         struct rmm_block_t *next = (rmm_block_t*)((char*)rmm->base + blk->next);
203                 next = (rmm_block_t*)((char*)rmm->base + blk->next);
214                                        void *base, apr_size_t size,
231     (*rmm)->base = base;
235     (*rmm)->base->abssize = size;
236     (*rmm)->base->firstused = 0;
237     (*rmm)->base->firstfree = RMM_HDR_BLOCK_SIZE;
239     blk = (rmm_block_t *)((char*)base + (*rmm)->base->firstfree);
241     blk->size = size - (*rmm)->base->firstfree;
257     if (rmm->base->firstused) {
258         apr_rmm_off_t this = rmm->base->firstused;
260             blk = (rmm_block_t *)((char*)rmm->base + this);
264         rmm->base->firstused = 0;
266     if (rmm->base->firstfree) {
267         apr_rmm_off_t this = rmm->base->firstfree;
269             blk = (rmm_block_t *)((char*)rmm->base + this);
273         rmm->base->firstfree = 0;
275     rmm->base->abssize = 0;
282                                          void *base, apr_pool_t *p)
295     (*rmm)->base = base;
296     (*rmm)->size = (*rmm)->base->abssize;
347         memset((char*)rmm->base + this, 0, size - RMM_BLOCK_SIZE);
376     blk = (rmm_block_t*)((char*)rmm->base + old - RMM_BLOCK_SIZE);
400     blk = (rmm_block_t*)((char*)rmm->base + this);
406         struct rmm_block_t *prev = (rmm_block_t*)((char*)rmm->base + blk->prev);
413         if (rmm->base->firstused != this) {
420         struct rmm_block_t *next = (rmm_block_t*)((char*)rmm->base + blk->next);
438     return (void*)((char*)rmm->base + entity);
448     return ((char*)entity - (char*)rmm->base);