| 1 | /* Multiple versions of strrchr. |
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| 2 | Copyright (C) 2015-2022 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2.1 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Lesser General Public |
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| 16 | License along with the GNU C Library; if not, see |
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| 17 | <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | #include <ifunc-strrchr.h> |
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| 20 | |
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| 21 | #if HAVE_STRRCHR_IFUNC |
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| 22 | # define strrchr __redirect_strrchr |
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| 23 | # include <string.h> |
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| 24 | # undef strrchr |
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| 25 | # include <ifunc-resolve.h> |
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| 26 | |
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| 27 | # if HAVE_STRRCHR_C |
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| 28 | extern __typeof (__redirect_strrchr) STRRCHR_C attribute_hidden; |
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| 29 | # endif |
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| 30 | |
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| 31 | # if HAVE_STRRCHR_Z13 |
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| 32 | extern __typeof (__redirect_strrchr) STRRCHR_Z13 attribute_hidden; |
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| 33 | # endif |
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| 34 | |
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| 35 | s390_libc_ifunc_expr (__redirect_strrchr, strrchr, |
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| 36 | (HAVE_STRRCHR_Z13 && (hwcap & HWCAP_S390_VX)) |
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| 37 | ? STRRCHR_Z13 |
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| 38 | : STRRCHR_DEFAULT |
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| 39 | ) |
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| 40 | weak_alias (strrchr, rindex) |
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| 41 | #endif /* HAVE_STRRCHR_IFUNC */ |
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| 42 | |
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