From a405fc138596f552581d2011fd6de02d5c8186c4 Mon Sep 17 00:00:00 2001 From: RincewindsHat <12514511+RincewindsHat@users.noreply.github.com> Date: Wed, 17 Nov 2021 01:05:54 +0100 Subject: Sync with the latest Gnulib code (1a268176f) --- gl/reallocarray.c | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 gl/reallocarray.c (limited to 'gl/reallocarray.c') diff --git a/gl/reallocarray.c b/gl/reallocarray.c new file mode 100644 index 00000000..1fb2f3c7 --- /dev/null +++ b/gl/reallocarray.c @@ -0,0 +1,39 @@ +/* reallocarray function that is glibc compatible. + + Copyright (C) 2017-2021 Free Software Foundation, Inc. + + 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. + + 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 Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see . */ + +/* written by Darshit Shah */ + +#include + +#include +#include + +#include "intprops.h" + +void * +reallocarray (void *ptr, size_t nmemb, size_t size) +{ + size_t nbytes; + if (INT_MULTIPLY_WRAPV (nmemb, size, &nbytes)) + { + errno = ENOMEM; + return NULL; + } + + /* Rely on the semantics of GNU realloc. */ + return realloc (ptr, nbytes); +} -- cgit v1.2.3-74-g34f1