projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| f360f94a | 1 | /* Multiple versions of strncpy. |
| 2b778ceb | 2 | Copyright (C) 2014-2021 Free Software Foundation, Inc. |
| f360f94a VR |
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/ >. */ |
| f360f94a VR |
18 | |
| 19 | /* Define multiple versions only for definition in libc. */ | |
| 4f41c682 | 20 | #if IS_IN (libc) |
| 00980d84 SL |
21 | # define strncpy __redirect_strncpy |
| 22 | /* Omit the strncpy inline definitions because it would redefine strncpy. */ | |
| 23 | # define __NO_STRING_INLINES | |
| f360f94a VR |
24 | # include <string.h> |
| 25 | # include <shlib-compat.h> | |
| 26 | # include "init-arch.h" | |
| 27 | ||
| 28 | extern __typeof (strncpy) __strncpy_ppc attribute_hidden; | |
| 29 | extern __typeof (strncpy) __strncpy_power7 attribute_hidden; | |
| f06a4faf | 30 | extern __typeof (strncpy) __strncpy_power8 attribute_hidden; |
| b9d83bf3 RZ |
31 | # ifdef __LITTLE_ENDIAN__ |
| 32 | extern __typeof (strncpy) __strncpy_power9 attribute_hidden; | |
| 33 | # endif | |
| 00980d84 | 34 | # undef strncpy |
| f360f94a VR |
35 | |
| 36 | /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle | |
| 37 | ifunc symbol properly. */ | |
| 00980d84 | 38 | libc_ifunc_redirected (__redirect_strncpy, strncpy, |
| b9d83bf3 RZ |
39 | # ifdef __LITTLE_ENDIAN__ |
| 40 | (hwcap2 & PPC_FEATURE2_ARCH_3_00) && | |
| 41 | (hwcap & PPC_FEATURE_HAS_VSX) | |
| 42 | ? __strncpy_power9 : | |
| 43 | # endif | |
| 00980d84 SL |
44 | (hwcap2 & PPC_FEATURE2_ARCH_2_07) |
| 45 | ? __strncpy_power8 | |
| 46 | : (hwcap & PPC_FEATURE_HAS_VSX) | |
| 47 | ? __strncpy_power7 | |
| 48 | : __strncpy_ppc); | |
| f360f94a VR |
49 | |
| 50 | #endif |