/**************************************************************************** * libs/libc/misc/lib_memfd.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 #include /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ #define LIBC_MEM_FD_VFS_PATH \ CONFIG_LIBC_TMPDIR "/" CONFIG_LIBC_MEM_FD_VFS_PATH "/%s" /**************************************************************************** * Public Functions ****************************************************************************/ int memfd_create(FAR const char *name, unsigned int flags) { #ifdef CONFIG_FS_TMPFS char path[PATH_MAX]; snprintf(path, sizeof(path), LIBC_MEM_FD_VFS_PATH, name); return open(path, O_RDWR | flags); #else set_errno(ENOSYS); return -1; #endif }