glibc/sysdeps/s390/strrchr.c

42 lines
1.4 KiB
C

/* Multiple versions of strrchr.
Copyright (C) 2015-2024 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/>. */
#include <ifunc-strrchr.h>
#if HAVE_STRRCHR_IFUNC
# define strrchr __redirect_strrchr
# include <string.h>
# undef strrchr
# include <ifunc-resolve.h>
# if HAVE_STRRCHR_C
extern __typeof (__redirect_strrchr) STRRCHR_C attribute_hidden;
# endif
# if HAVE_STRRCHR_Z13
extern __typeof (__redirect_strrchr) STRRCHR_Z13 attribute_hidden;
# endif
s390_libc_ifunc_expr (__redirect_strrchr, strrchr,
(HAVE_STRRCHR_Z13 && (hwcap & HWCAP_S390_VX))
? STRRCHR_Z13
: STRRCHR_DEFAULT
)
weak_alias (strrchr, rindex)
#endif /* HAVE_STRRCHR_IFUNC */