1 /* Support for reading /etc/ld.so.cache files written by Linux ldconfig. 2 Copyright (C) 1999-2022 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 #define _DL_CACHE_DEFAULT_ID 0x303 20 21 #define _dl_cache_check_flags(flags) \ 22 ((flags) == _DL_CACHE_DEFAULT_ID) 23 24 #define add_system_dir(dir) \ 25 do \ 26 { \ 27 size_t len = strlen (dir); \ 28 char path[len + 4]; \ 29 memcpy (path, dir, len + 1); \ 30 if (len >= 6 && ! memcmp (path + len - 6, "/lib64", 6)) \ 31 { \ 32 len -= 2; \ 33 path[len] = '\0'; \ 34 } \ 35 else if (len >= 7 \ 36 && ! memcmp (path + len - 7, "/libx32", 7)) \ 37 { \ 38 len -= 3; \ 39 path[len] = '\0'; \ 40 } \ 41 add_dir (path); \ 42 if (len >= 4 && ! memcmp (path + len - 4, "/lib", 4)) \ 43 { \ 44 memcpy (path + len, "64", 3); \ 45 add_dir (path); \ 46 memcpy (path + len, "x32", 4); \ 47 add_dir (path); \ 48 } \ 49 } while (0) 50 51 #include <sysdeps/generic/dl-cache.h> 52