| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * 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 COPYRIGHT HOLDERS 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 |
| * COPYRIGHT OWNER 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. |
| */ |
| |
| #if defined(__BIONIC_FORTIFY) |
| |
| __BIONIC_FORTIFY_INLINE |
| void __bionic_bcopy(const void *src, void* const dst __pass_object_size0, size_t len) |
| __overloadable |
| __clang_error_if(__bos_unevaluated_lt(__bos0(dst), len), |
| "'bcopy' called with size bigger than buffer") { |
| #if __ANDROID_API__ >= __ANDROID_API_J_MR1__ |
| size_t bos = __bos0(dst); |
| if (!__bos_trivially_ge(bos, len)) { |
| __builtin___memmove_chk(dst, src, len, bos); |
| return; |
| } |
| #endif /* __ANDROID_API__ >= __ANDROID_API_J_MR1__ */ |
| __builtin_memmove(dst, src, len); |
| } |
| |
| __BIONIC_FORTIFY_INLINE |
| void __bionic_bzero(void* const b __pass_object_size0, size_t len) |
| __overloadable |
| __clang_error_if(__bos_unevaluated_lt(__bos0(b), len), |
| "'bzero' called with size bigger than buffer") { |
| #if __ANDROID_API__ >= __ANDROID_API_J_MR1__ |
| size_t bos = __bos0(b); |
| if (!__bos_trivially_ge(bos, len)) { |
| __builtin___memset_chk(b, 0, len, bos); |
| return; |
| } |
| #endif /* __ANDROID_API__ >= __ANDROID_API_J_MR1__ */ |
| __builtin_memset(b, 0, len); |
| } |
| |
| #endif /* defined(__BIONIC_FORTIFY) */ |
