sendmail/libsm/rpool.c

52 **		size -- size of block.
62 sm_rpool_allocblock_x(rpool, size)
64 	size_t size;
68 	p = sm_malloc_x(sizeof(SM_POOLHDR_T) + size);
79 **		size -- size of block.
86 sm_rpool_allocblock(rpool, size)
88 	size_t size;
92 	p = sm_malloc(sizeof(SM_POOLHDR_T) + size);
106 **		size -- size of block.
118 **		if size == 0 and the rpool is new (no memory
121 **		- wasting 1 byte (size < avail)
128 sm_rpool_malloc_tagged_x(rpool, size, file, line, group)
130 	size_t size;
135 sm_rpool_malloc_x(rpool, size)
137 	size_t size;
143 		return sm_malloc_tagged_x(size, file, line, group);
145 	/* Ensure that size is properly aligned. */
146 	if (size & SM_ALIGN_BITS)
147 		size = (size & ~SM_ALIGN_BITS) + SM_ALIGN_SIZE;
150 	if (size <= rpool->sm_poolavail)
153 		rpool->sm_poolptr += size;
154 		rpool->sm_poolavail -= size;
168 	**  If size > sm_poolsize, then malloc a new block especially for
176 	**  we malloc a block just for the current request if size >
182 	if (size > rpool->sm_bigobjectsize)
187 		return sm_rpool_allocblock_x(rpool, size);
191 	rpool->sm_poolptr = ptr + size;
192 	rpool->sm_poolavail = rpool->sm_poolsize - size;
205 **		size -- size of block.
214 **		if size == 0 and the rpool is new (no memory
217 **		- wasting 1 byte (size < avail)
224 sm_rpool_malloc_tagged(rpool, size, file, line, group)
226 	size_t size;
231 sm_rpool_malloc(rpool, size)
233 	size_t size;
239 		return sm_malloc_tagged(size, file, line, group);
241 	/* Ensure that size is properly aligned. */
242 	if (size & SM_ALIGN_BITS)
243 		size = (size & ~SM_ALIGN_BITS) + SM_ALIGN_SIZE;
246 	if (size <= rpool->sm_poolavail)
249 		rpool->sm_poolptr += size;
250 		rpool->sm_poolavail -= size;
264 	**  If size > sm_poolsize, then malloc a new block especially for
272 	**  we malloc a block just for the current request if size >
278 	if (size > rpool->sm_bigobjectsize)
283 		return sm_rpool_allocblock(rpool, size);
289 	rpool->sm_poolptr = ptr + size;
290 	rpool->sm_poolavail = rpool->sm_poolsize - size;
350 **		poolsize -- size of a single rpool block.
351 **		bigobjectsize -- if this size is exceeded, an individual