JezK

Edit File: astack.h

/* * Copyright (C) Internet Systems Consortium, Inc. ("ISC") * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, you can obtain one at https://mozilla.org/MPL/2.0/. * * See the COPYRIGHT file distributed with this work for additional * information regarding copyright ownership. */ #pragma once #include <inttypes.h> #include <isc/mem.h> #include <isc/types.h> isc_astack_t * isc_astack_new(isc_mem_t *mctx, size_t size); /*%< * Allocate and initialize a new array stack of size 'size'. */ void isc_astack_destroy(isc_astack_t *stack); /*%< * Free an array stack 'stack'. * * Requires: * \li 'stack' is empty. */ bool isc_astack_trypush(isc_astack_t *stack, void *obj); /*%< * Try to push 'obj' onto array stack 'astack'. On failure, either * because the stack size limit has been reached or because another * thread has already changed the stack pointer, return 'false'. */ void * isc_astack_pop(isc_astack_t *stack); /*%< * Pop an object off of array stack 'stack'. If the stack is empty, * return NULL. */