void * ngx_pnalloc(ngx_pool_t *pool, size_t size) { u_char *m; ngx_pool_t *p; if (size <= pool->max) { p = pool->current; do { m = p->d.last; if ((size_t) (p->d.end - m) >= size) { p->d.last = m + size; return m; } p = p->d.next; } while (p); return ngx_palloc_block(pool, size); } return ngx_palloc_large(pool, size); }
void * ngx_palloc(ngx_pool_t *pool, size_t size) { unsigned char *m; ngx_pool_t *p; if (size <= pool->max) { p = pool->curr; do { m = ngx_align_ptr(p->d.last, NGX_ALIGNMENT); if ((size_t)(p->d.end - m) >= size) { p->d.last = m + size; return m; } p = p->d.next; } while (p); return ngx_palloc_block(pool, size); } return ngx_palloc_large(pool, size); }