diff options
Diffstat (limited to 'lib/malloc.c')
| -rw-r--r-- | lib/malloc.c | 52 |
1 files changed, 19 insertions, 33 deletions
diff --git a/lib/malloc.c b/lib/malloc.c index acb83416..f334dd6e 100644 --- a/lib/malloc.c +++ b/lib/malloc.c @@ -1,60 +1,46 @@ /* malloc() function that is glibc compatible. - Copyright (C) 1997-1998, 2006-2007, 2009-2018 Free Software Foundation, Inc. + Copyright (C) 1997-1998, 2006-2007, 2009-2022 Free Software Foundation, Inc. - This program is free software: you can redistribute it and/or - modify it under the terms of either: + This file 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 Lesser General Public License as published by the Free - Software Foundation; either version 3 of the License, or (at your - option) any later version. - - or - - * the GNU General Public License as published by the Free - Software Foundation; either version 2 of the License, or (at your - option) any later version. - - or both in parallel, as here. - This program is distributed in the hope that it will be useful, + This file 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 General Public License for more details. + GNU Lesser General Public License for more details. - You should have received a copy of the GNU General Public License - along with this program; if not, see <https://www.gnu.org/licenses/>. */ + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see <https://www.gnu.org/licenses/>. */ /* written by Jim Meyering and Bruno Haible */ #define _GL_USE_STDLIB_ALLOC 1 #include <config.h> -/* Only the AC_FUNC_MALLOC macro defines 'malloc' already in config.h. */ -#ifdef malloc -# define NEED_MALLOC_GNU 1 -# undef malloc -/* Whereas the gnulib module 'malloc-gnu' defines HAVE_MALLOC_GNU. */ -#elif GNULIB_MALLOC_GNU && !HAVE_MALLOC_GNU -# define NEED_MALLOC_GNU 1 -#endif #include <stdlib.h> #include <errno.h> -/* Allocate an N-byte block of memory from the heap. - If N is zero, allocate a 1-byte block. */ +#include "xalloc-oversized.h" + +/* Allocate an N-byte block of memory from the heap, even if N is 0. */ void * rpl_malloc (size_t n) { - void *result; - -#if NEED_MALLOC_GNU if (n == 0) n = 1; -#endif - result = malloc (n); + if (xalloc_oversized (n, 1)) + { + errno = ENOMEM; + return NULL; + } + + void *result = malloc (n); #if !HAVE_MALLOC_POSIX if (result == NULL) |