/
githubmirror
/
glibc
Обзор
Документация
Войти
/
githubmirror
/
glibc
Код
Запросы
0
Пакеты
0
Релизы
0
Аналитика
Безопасность
master
misc/getauxval.c
67 строк
2 KB
Paul Eggert
Update copyright dates with scripts/update-copyrights
02 янв 2026, 00:42
02 янв 2026, 00:42
66f3e92
Код
Авторство
О чём код?
/* Copyright (C) 2012-2026 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 <sys/auxv.h> #include <errno.h> #include <ldsodefs.h> #include <stdbool.h> bool __getauxval2 (unsigned long int type, unsigned long int *result) { #ifdef HAVE_AUX_VECTOR ElfW(auxv_t) *p; #endif if (type == AT_HWCAP) { *result = GLRO(dl_hwcap); return true; } else if (type == AT_HWCAP2) { *result = GLRO(dl_hwcap2); return true; } #ifdef HAVE_AUX_VECTOR for (p = GLRO(dl_auxv); p->a_type != AT_NULL; p++) if (p->a_type == type) { *result = p->a_un.a_val; return true; } #endif return false; } libc_hidden_def (__getauxval2) unsigned long int __getauxval (unsigned long int type) { unsigned long int result; if (__getauxval2 (type, &result)) return result; __set_errno (ENOENT); return 0; } weak_alias (__getauxval, getauxval) libc_hidden_def (__getauxval)