/* Create a chunk with a certain allocation unit
** --------------
*/
PUBLIC HTChunk * HTChunkCreate ARGS1 (int,grow)
{
HTChunk * ch = typecalloc(HTChunk);
if (ch == NULL)
outofmem(__FILE__, "creation of chunk");
HTChunkInit (ch, grow);
return ch;
}
PUBLIC HTChunk * HTChunkCreateMayFail ARGS2 (int,grow, int,failok)
{
HTChunk * ch = typecalloc(HTChunk);
if (ch == NULL) {
if (!failok) {
outofmem(__FILE__, "creation of chunk");
} else {
return ch;
}
}
HTChunkInit (ch, grow);
ch->failok = failok;
return ch;
}
/* Create a chunk with a certain allocation unit and ensured size
** --------------
*/
PUBLIC HTChunk * HTChunkCreate2 ARGS2 (int,grow, size_t, needed)
{
HTChunk * ch = typecalloc(HTChunk);
if (ch == NULL)
outofmem(__FILE__, "HTChunkCreate2");
HTChunkInit (ch, grow);
if (needed > 0) {
ch->allocated = needed-1 - ((needed-1) % ch->growby)
+ ch->growby; /* Round up */
CTRACE((tfp, "HTChunkCreate2: requested %d, allocate %d\n",
(int) needed, ch->allocated));
ch->data = typecallocn(char, ch->allocated);
if (!ch->data)
outofmem(__FILE__, "HTChunkCreate2 data");
}
/* Create a chunk with a certain allocation unit and ensured size
* --------------
*/
HTChunk *HTChunkCreate2(int grow, size_t needed)
{
HTChunk *ch = typecalloc(HTChunk);
if (ch == NULL)
outofmem(__FILE__, "HTChunkCreate2");
HTChunkInit(ch, grow);
if (needed > 0) {
/* Round up */
ch->allocated = (int) (needed - 1 - ((needed - 1) % ch->growby)
+ (unsigned) ch->growby);
CTRACE((tfp, "HTChunkCreate2: requested %d, allocate %u\n",
(int) needed, (unsigned) ch->allocated));
ch->data = typecallocn(char, (unsigned) ch->allocated);
if (!ch->data)
outofmem(__FILE__, "HTChunkCreate2 data");
}
