| 1 | /* $NetBSD: strings.h,v 1.3 2008/04/28 20:22:54 martin Exp $ */ |
| 2 | |
| 3 | /*- |
| 4 | * |
| 5 | * SPDX-License-Identifier: BSD-2-Clause |
| 6 | * |
| 7 | * Copyright (c) 2007 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 | |
| 35 | // zig patch: ssp/strings.h header was added in FreeBSD 15 |
| 36 | #if __FreeBSD_version < 1500500 |
| 37 | #error "ssp/strings.h did not exist before FreeBSD 15" |
| 38 | #endif /* error for FreeBSD before 15 */ |
| 39 | |
| 40 | #ifndef _SSP_STRINGS_H_ |
| 41 | #define _SSP_STRINGS_H_ |
| 42 | |
| 43 | #include <ssp/ssp.h> |
| 44 | #include <string.h> |
| 45 | |
| 46 | #if __SSP_FORTIFY_LEVEL > 0 |
| 47 | |
| 48 | #define _ssp_bcopy(srcvar, src, dstvar, dst, lenvar, len) __extension__ ({ \ |
| 49 | const void *srcvar = (src); \ |
| 50 | void *dstvar = (dst); \ |
| 51 | size_t lenvar = (len); \ |
| 52 | ((__ssp_bos0(dstvar) != (size_t)-1) ? \ |
| 53 | __builtin___memmove_chk(dstvar, srcvar, lenvar, \ |
| 54 | __ssp_bos0(dstvar)) : \ |
| 55 | __memmove_ichk(dstvar, srcvar, lenvar)); \ |
| 56 | }) |
| 57 | |
| 58 | #define bcopy(src, dst, len) \ |
| 59 | _ssp_bcopy(__ssp_var(srcv), src, __ssp_var(dstv), dst, __ssp_var(lenv), len) |
| 60 | |
| 61 | #define _ssp_bzero(dstvar, dst, lenvar, len) __extension__ ({ \ |
| 62 | void *dstvar = (dst); \ |
| 63 | size_t lenvar = (len); \ |
| 64 | ((__ssp_bos0(dstvar) != (size_t)-1) ? \ |
| 65 | __builtin___memset_chk(dstvar, 0, lenvar, \ |
| 66 | __ssp_bos0(dstvar)) : \ |
| 67 | __memset_ichk(dstvar, 0, lenvar)); \ |
| 68 | }) |
| 69 | |
| 70 | #define bzero(dst, len) _ssp_bzero(__ssp_var(dstv), dst, __ssp_var(lenv), len) |
| 71 | |
| 72 | __BEGIN_DECLS |
| 73 | __ssp_redirect(void, explicit_bzero, (void *__buf, size_t __len), |
| 74 | (__buf, __len)); |
| 75 | __END_DECLS |
| 76 | |
| 77 | #endif /* __SSP_FORTIFY_LEVEL > 0 */ |
| 78 | #endif /* _SSP_STRINGS_H_ */ |