diff options
Diffstat (limited to 'sysdeps/s390/strnlen.c')
-rw-r--r-- | sysdeps/s390/strnlen.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/sysdeps/s390/strnlen.c b/sysdeps/s390/strnlen.c new file mode 100644 index 0000000000..aa4953d503 --- /dev/null +++ b/sysdeps/s390/strnlen.c @@ -0,0 +1,43 @@ +/* Multiple versions of strnlen. + Copyright (C) 2015-2018 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 <ifunc-strnlen.h> + +#if HAVE_STRNLEN_IFUNC +# define strnlen __redirect_strnlen +# define __strnlen __redirect___strnlen +# include <string.h> +# undef strnlen +# undef __strnlen +# include <ifunc-resolve.h> + +# if HAVE_STRNLEN_C +extern __typeof (__redirect_strnlen) STRNLEN_C attribute_hidden; +# endif + +# if HAVE_STRNLEN_Z13 +extern __typeof (__redirect_strnlen) STRNLEN_Z13 attribute_hidden; +# endif + +s390_libc_ifunc_expr (__redirect___strnlen, __strnlen, + (HAVE_STRNLEN_Z13 && (hwcap & HWCAP_S390_VX)) + ? STRNLEN_Z13 + : STRNLEN_DEFAULT + ) +weak_alias (__strnlen, strnlen) +#endif /* HAVE_STRNLEN_IFUNC */ |