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[thirdparty/glibc.git] / sysdeps / x86_64 / multiarch / strncat.c

/* Multiple versions of strncat.
   All versions must be listed in ifunc-impl-list.c.
   Copyright (C) 2017-2020 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
   <https://www.gnu.org/licenses/>.  */

/* Define multiple versions only for the definition in libc.  */
#if IS_IN (libc)
# define strncat __redirect_strncat
# include <string.h>
# undef strncat

# define SYMBOL_NAME strncat
# include "ifunc-strcpy.h"

libc_ifunc_redirected (__redirect_strncat, strncat, IFUNC_SELECTOR ());
strong_alias (strncat, __strncat);
# ifdef SHARED
__hidden_ver1 (strncat, __GI___strncat, __redirect_strncat)
  __attribute__((visibility ("hidden"))) __attribute_copy__ (strncat);
# endif
#endif