| 1 | /* Multiple versions of strchr. |
|---|
| 2 | Copyright (C) 2015-2024 Free Software Foundation, Inc. |
|---|
| 3 | This file is part of the GNU C Library. |
|---|
| 4 | |
|---|
| 5 | The GNU C Library is free software; you can redistribute it and/or |
|---|
| 6 | modify it under the terms of the GNU Lesser General Public |
|---|
| 7 | License as published by the Free Software Foundation; either |
|---|
| 8 | version 2.1 of the License, or (at your option) any later version. |
|---|
| 9 | |
|---|
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
|---|
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
|---|
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|---|
| 13 | Lesser General Public License for more details. |
|---|
| 14 | |
|---|
| 15 | You should have received a copy of the GNU Lesser General Public |
|---|
| 16 | License along with the GNU C Library; if not, see |
|---|
| 17 | <https://www.gnu.org/licenses/>. */ |
|---|
| 18 | |
|---|
| 19 | #include <ifunc-strchr.h> |
|---|
| 20 | |
|---|
| 21 | #if HAVE_STRCHR_IFUNC |
|---|
| 22 | # define strchr __redirect_strchr |
|---|
| 23 | /* Omit the strchr inline definitions because it would redefine strchr. */ |
|---|
| 24 | # define __NO_STRING_INLINES |
|---|
| 25 | # include <string.h> |
|---|
| 26 | # undef strchr |
|---|
| 27 | # include <ifunc-resolve.h> |
|---|
| 28 | |
|---|
| 29 | # if HAVE_STRCHR_C |
|---|
| 30 | extern __typeof (__redirect_strchr) STRCHR_C attribute_hidden; |
|---|
| 31 | # endif |
|---|
| 32 | |
|---|
| 33 | # if HAVE_STRCHR_Z13 |
|---|
| 34 | extern __typeof (__redirect_strchr) STRCHR_Z13 attribute_hidden; |
|---|
| 35 | # endif |
|---|
| 36 | |
|---|
| 37 | s390_libc_ifunc_expr (__redirect_strchr, strchr, |
|---|
| 38 | (HAVE_STRCHR_Z13 && (hwcap & HWCAP_S390_VX)) |
|---|
| 39 | ? STRCHR_Z13 |
|---|
| 40 | : STRCHR_DEFAULT |
|---|
| 41 | ) |
|---|
| 42 | weak_alias (strchr, index) |
|---|
| 43 | #endif /* HAVE_STRCHR_IFUNC */ |
|---|
| 44 | |
|---|
