1  /* Multiple versions of memset.
       2     All versions must be listed in ifunc-impl-list.c.
       3     Copyright (C) 2017-2023 Free Software Foundation, Inc.
       4     This file is part of the GNU C Library.
       5  
       6     The GNU C Library is free software; you can redistribute it and/or
       7     modify it under the terms of the GNU Lesser General Public
       8     License as published by the Free Software Foundation; either
       9     version 2.1 of the License, or (at your option) any later version.
      10  
      11     The GNU C Library is distributed in the hope that it will be useful,
      12     but WITHOUT ANY WARRANTY; without even the implied warranty of
      13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14     Lesser General Public License for more details.
      15  
      16     You should have received a copy of the GNU Lesser General Public
      17     License along with the GNU C Library; if not, see
      18     <https://www.gnu.org/licenses/>.  */
      19  
      20  /* Define multiple versions only for the definition in libc.  */
      21  #if IS_IN (libc)
      22  # define memset __redirect_memset
      23  # include <string.h>
      24  # undef memset
      25  
      26  # define SYMBOL_NAME memset
      27  # include "ifunc-memset.h"
      28  
      29  libc_ifunc_redirected (__redirect_memset, memset, IFUNC_SELECTOR ());
      30  
      31  # ifdef SHARED
      32  __hidden_ver1 (memset, __GI_memset, __redirect_memset)
      33    __attribute__ ((visibility ("hidden"))) __attribute_copy__ (memset);
      34  # endif
      35  #endif