1 /* Compatibility code for malloc debugging and state management. 2 Copyright (C) 2001-2022 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 License as 7 published by the Free Software Foundation; either version 2.1 of the 8 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; see the file COPYING.LIB. If 17 not, see <https://www.gnu.org/licenses/>. */ 18 19 #ifndef weak_variable 20 # define weak_variable weak_function 21 #endif 22 23 #if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_24) 24 void (*__malloc_initialize_hook) (void); 25 compat_symbol (libc, __malloc_initialize_hook, 26 __malloc_initialize_hook, GLIBC_2_0); 27 #endif 28 29 #if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_34) 30 void weak_variable (*__after_morecore_hook) (void) = NULL; 31 compat_symbol (libc, __after_morecore_hook, __after_morecore_hook, GLIBC_2_0); 32 void *(*__morecore)(ptrdiff_t); 33 compat_symbol (libc, __morecore, __morecore, GLIBC_2_0); 34 35 void weak_variable (*__free_hook) (void *, const void *) = NULL; 36 void *weak_variable (*__malloc_hook) (size_t, const void *) = NULL; 37 void *weak_variable (*__realloc_hook) (void *, size_t, const void *) = NULL; 38 void *weak_variable (*__memalign_hook) (size_t, size_t, const void *) = NULL; 39 compat_symbol (libc, __free_hook, __free_hook, GLIBC_2_0); 40 compat_symbol (libc, __malloc_hook, __malloc_hook, GLIBC_2_0); 41 compat_symbol (libc, __realloc_hook, __realloc_hook, GLIBC_2_0); 42 compat_symbol (libc, __memalign_hook, __memalign_hook, GLIBC_2_0); 43 #endif 44 45 /* 46 * Local variables: 47 * c-basic-offset: 2 48 * End: 49 */ 50