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glibc.14505
0006-S390-Use-memcpy-for-forward-cases-in-memmo...
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File 0006-S390-Use-memcpy-for-forward-cases-in-memmove.patch of Package glibc.14505
From 51409c2a2aaf3dcaf07551ea4e9617451bc9f067 Mon Sep 17 00:00:00 2001 From: Stefan Liebler <stli@linux.ibm.com> Date: Tue, 18 Dec 2018 13:57:07 +0100 Subject: [PATCH 06/18] S390: Use memcpy for forward cases in memmove. The s390/s390x memcpy implementations are safe to be used by memmove. Starting with this commit, memmove is using memcpy for the forward cases on s390. ChangeLog: * sysdeps/s390/memcopy.h: New file. (cherry picked from commit d097d97626e44bc6e76d5daf80ce3ff7d147b623) --- sysdeps/s390/memcopy.h | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 sysdeps/s390/memcopy.h Index: glibc-2.26/sysdeps/s390/memcopy.h =================================================================== --- /dev/null +++ glibc-2.26/sysdeps/s390/memcopy.h @@ -0,0 +1,23 @@ +/* memcopy.h -- definitions for memory copy functions. + Copyright (C) 2018 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <sysdeps/generic/memcopy.h> + +/* The s390/s390x memcpy implementations are safe to be used by memmove. */ +#undef MEMCPY_OK_FOR_FWD_MEMMOVE +#define MEMCPY_OK_FOR_FWD_MEMMOVE 1
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