/**************************************************************************** * libs/libc/stdlib/lib_valloc.c * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. The * ASF licenses this file to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance with the * License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. * ****************************************************************************/ /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include "libc.h" /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: valloc * * Description: * valloc - page-aligned memory allocator (OBSOLETE/LEGACY) * * valloc has the same effect as malloc(), except that the allocated * memory is aligned to a page boundary. * * Input Parameters: * size - Specifies the size (in bytes) of the allocated block of memory. * If size is zero, a unique pointer to the heap is returned. * * Returned Value: * The address of the allocated memory (NULL on failure to allocate) * ****************************************************************************/ #undef valloc /* See mm/README.txt */ FAR void *valloc(size_t size) { return lib_memalign(sysconf(_SC_PAGESIZE), size); }