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Diffstat (limited to 'include/ssp/strings.h')
| -rw-r--r-- | include/ssp/strings.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/include/ssp/strings.h b/include/ssp/strings.h new file mode 100644 index 000000000000..79b70eba1c5c --- /dev/null +++ b/include/ssp/strings.h @@ -0,0 +1,72 @@ +/* $NetBSD: strings.h,v 1.3 2008/04/28 20:22:54 martin Exp $ */ + +/*- + * + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2007 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Christos Zoulas. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ +#ifndef _SSP_STRINGS_H_ +#define _SSP_STRINGS_H_ + +#include <ssp/ssp.h> +#include <string.h> + +#if __SSP_FORTIFY_LEVEL > 0 + +#define _ssp_bcopy(srcvar, src, dstvar, dst, lenvar, len) __extension__ ({ \ + const void *srcvar = (src); \ + void *dstvar = (dst); \ + size_t lenvar = (len); \ + ((__ssp_bos0(dstvar) != (size_t)-1) ? \ + __builtin___memmove_chk(dstvar, srcvar, lenvar, \ + __ssp_bos0(dstvar)) : \ + __memmove_ichk(dstvar, srcvar, lenvar)); \ +}) + +#define bcopy(src, dst, len) \ + _ssp_bcopy(__ssp_var(srcv), src, __ssp_var(dstv), dst, __ssp_var(lenv), len) + +#define _ssp_bzero(dstvar, dst, lenvar, len) __extension__ ({ \ + void *dstvar = (dst); \ + size_t lenvar = (len); \ + ((__ssp_bos0(dstvar) != (size_t)-1) ? \ + __builtin___memset_chk(dstvar, 0, lenvar, \ + __ssp_bos0(dstvar)) : \ + __memset_ichk(dstvar, 0, lenvar)); \ +}) + +#define bzero(dst, len) _ssp_bzero(__ssp_var(dstv), dst, __ssp_var(lenv), len) + +__BEGIN_DECLS +__ssp_redirect(void, explicit_bzero, (void *__buf, size_t __len), + (__buf, __len)); +__END_DECLS + +#endif /* __SSP_FORTIFY_LEVEL > 0 */ +#endif /* _SSP_STRINGS_H_ */ |