static void *null_alloc(size_t size) {
void *ret = NULL;
if (size == 0) {
/* Yes, this code is correct.
*
* The size argument is the originally requested amount of memory.
* null_alloc() is called because smalloc() returned NULL. But why,
* exactly? If the requested size is zero, then it may not have been
* an error -- or it may be because the system is actually out of memory.
* To differentiate, we do a malloc(0) call here if the requested size is
* zero. If malloc(0) returns NULL, then we really do have an error.
*/
ret = malloc(size);
}
if (ret == NULL) {
pr_log_pri(PR_LOG_ALERT, "Out of memory!");
#ifdef PR_USE_DEVEL
if (debug_flags & PR_POOL_DEBUG_FL_OOM_DUMP_POOLS) {
pr_pool_debug_memory(oom_printf);
}
#endif
exit(1);
}
return ret;
}
static void null_alloc(void) {
pr_log_pri(PR_LOG_ALERT, "Out of memory!");
#ifdef PR_USE_DEVEL
if (debug_flags & PR_POOL_DEBUG_FL_OOM_DUMP_POOLS) {
pr_pool_debug_memory(oom_printf);
}
#endif
exit(1);
}
