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8c25dddd | 1 | /* Multiple versions of strstr. |
2b778ceb | 2 | Copyright (C) 2018-2021 Free Software Foundation, Inc. |
8c25dddd SL |
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 | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
8c25dddd SL |
18 | |
19 | #include <ifunc-strstr.h> | |
20 | ||
21 | #if HAVE_STRSTR_IFUNC | |
22 | # define strstr __redirect_strstr | |
23 | # include <string.h> | |
24 | # include <ifunc-resolve.h> | |
25 | # undef strstr | |
26 | ||
27 | # if HAVE_STRSTR_C | |
28 | extern __typeof (__redirect_strstr) STRSTR_C attribute_hidden; | |
29 | # endif | |
30 | ||
31 | # if HAVE_STRSTR_Z13 | |
32 | extern __typeof (__redirect_strstr) STRSTR_Z13 attribute_hidden; | |
33 | # endif | |
34 | ||
6f47401b SL |
35 | # if HAVE_STRSTR_ARCH13 |
36 | extern __typeof (__redirect_strstr) STRSTR_ARCH13 attribute_hidden; | |
37 | # endif | |
38 | ||
8c25dddd | 39 | s390_libc_ifunc_expr (__redirect_strstr, strstr, |
6f47401b SL |
40 | (HAVE_STRSTR_ARCH13 && (hwcap & HWCAP_S390_VXRS_EXT2)) |
41 | ? STRSTR_ARCH13 | |
42 | : (HAVE_STRSTR_Z13 && (hwcap & HWCAP_S390_VX)) | |
8c25dddd SL |
43 | ? STRSTR_Z13 |
44 | : STRSTR_DEFAULT | |
45 | ) | |
46 | #endif |