/* @(#)mknodat.c 1.4 14/05/01 Copyright 2013-2014 J. Schilling */ /* * Emulate the behavior of mknodat(int fd, const char *name, mode_t mode, dev_t dev) * * Note that emulation methods that do not use the /proc filesystem are * not MT safe. In the non-MT-safe case, we do: * * savewd()/fchdir()/open(name)/restorewd() * * Errors may force us to abort the program as our caller is not expected * to know that we do more than a simple open() here and that the * working directory may be changed by us. * * Copyright (c) 2013-2014 J. Schilling */ /* * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * See the file CDDL.Schily.txt in this distribution for details. * A copy of the CDDL is also available via the Internet at * http://www.opensource.org/licenses/cddl1.txt * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file CDDL.Schily.txt from this distribution. */ #include #include #include #include #include #include #include #include "at-defs.h" #ifndef HAVE_MKNODAT #ifndef HAVE_MKNOD /* ARGSUSED */ #ifdef PROTOTYPES EXPORT int mknodat(int fd, const char *name, mode_t mode, dev_t dev) #else EXPORT int mknodat(fd, name, mode, dev) int fd; const char *name; mode_t mode; dev_t dev; #endif { #ifdef ENOSYS seterrno(ENOSYS); #else seterrno(EINVAL); #endif return (-1); } #else /* HAVE_MKNOD */ /* CSTYLED */ #define PROTO_DECL , mode_t mode, dev_t dev #define KR_DECL mode_t mode; dev_t dev; /* CSTYLED */ #define KR_ARGS , mode, dev #define FUNC_CALL(n) mknod(n, mode, dev) #define FLAG_CHECK() #define FUNC_NAME mknodat #define FUNC_RESULT int #include "at-base.c" #endif /* HAVE_MKNOD */ #endif /* HAVE_MKNODAT */