1 /* $NetBSD: unistd.h,v 1.7 2015/06/25 18:41:03 joerg Exp $ */ 2 3 /*- 4 * 5 * SPDX-License-Identifier: BSD-2-Clause 6 * 7 * Copyright (c) 2006 The NetBSD Foundation, Inc. 8 * All rights reserved. 9 * 10 * This code is derived from software contributed to The NetBSD Foundation 11 * by Christos Zoulas. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 */ 34 #ifndef _SSP_UNISTD_H_ 35 #define _SSP_UNISTD_H_ 36 37 #include <ssp/ssp.h> 38 39 #if __SSP_FORTIFY_LEVEL > 0 40 __BEGIN_DECLS 41 42 #ifndef _FORTIFY_SOURCE_read 43 #define _FORTIFY_SOURCE_read read 44 #endif 45 46 __ssp_inline size_t 47 __ssp_gid_bos(const void *ptr) 48 { 49 size_t ptrsize = __ssp_bos(ptr); 50 51 if (ptrsize == (size_t)-1) 52 return (ptrsize); 53 54 return (ptrsize / sizeof(gid_t)); 55 } 56 57 __ssp_redirect_raw(int, getgrouplist, getgrouplist, 58 (const char *__name, gid_t __base, gid_t *__buf, int *__lenp), 59 (__name, __base, __buf, __lenp), 1, __ssp_gid_bos, *__lenp); 60 61 __ssp_redirect_raw(int, getgroups, getgroups, (int __len, gid_t *__buf), 62 (__len, __buf), 1, __ssp_gid_bos, __len); 63 64 __ssp_redirect(int, getloginclass, (char *__buf, size_t __len), 65 (__buf, __len)); 66 67 __ssp_redirect(ssize_t, _FORTIFY_SOURCE_read, (int __fd, void *__buf, 68 size_t __len), (__fd, __buf, __len)); 69 __ssp_redirect(ssize_t, pread, (int __fd, void *__buf, size_t __len, 70 off_t __offset), (__fd, __buf, __len, __offset)); 71 72 __ssp_redirect(ssize_t, readlink, (const char *__restrict __path, \ 73 char *__restrict __buf, size_t __len), (__path, __buf, __len)); 74 __ssp_redirect(ssize_t, readlinkat, (int __fd, const char *__restrict __path, 75 char *__restrict __buf, size_t __len), (__fd, __path, __buf, __len)); 76 77 __ssp_redirect_raw(char *, getcwd, getcwd, (char *__buf, size_t __len), 78 (__buf, __len), __buf != 0, __ssp_bos, __len); 79 80 __ssp_redirect(int, getdomainname, (char *__buf, int __len), (__buf, __len)); 81 __ssp_redirect(int, getentropy, (void *__buf, size_t __len), (__buf, __len)); 82 __ssp_redirect(int, gethostname, (char *__buf, size_t __len), (__buf, __len)); 83 __ssp_redirect(int, getlogin_r, (char *__buf, size_t __len), (__buf, __len)); 84 __ssp_redirect(int, ttyname_r, (int __fd, char *__buf, size_t __len), 85 (__fd, __buf, __len)); 86 87 __END_DECLS 88 89 #endif /* __SSP_FORTIFY_LEVEL > 0 */ 90 #endif /* _SSP_UNISTD_H_ */ 91