From a900e641fa1fd765799f12a7f699f768ebfccfe8 Mon Sep 17 00:00:00 2001
From: Paul Eggert
Date: Fri, 22 Jan 2021 11:45:38 -0800
Subject: Update from Gnulib by running admin/merge-gnulib
---
lib/malloc/dynarray_resize_clear.c | 35 +++++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
create mode 100644 lib/malloc/dynarray_resize_clear.c
(limited to 'lib/malloc/dynarray_resize_clear.c')
diff --git a/lib/malloc/dynarray_resize_clear.c b/lib/malloc/dynarray_resize_clear.c
new file mode 100644
index 00000000000..99c2cc87c31
--- /dev/null
+++ b/lib/malloc/dynarray_resize_clear.c
@@ -0,0 +1,35 @@
+/* Increase the size of a dynamic array and clear the new part.
+ Copyright (C) 2017-2021 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 General Public
+ License as published by the Free Software Foundation; either
+ version 3 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
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public
+ License along with the GNU C Library; if not, see
+ . */
+
+#include
+#include
+
+bool
+__libc_dynarray_resize_clear (struct dynarray_header *list, size_t size,
+ void *scratch, size_t element_size)
+{
+ size_t old_size = list->used;
+ if (!__libc_dynarray_resize (list, size, scratch, element_size))
+ return false;
+ /* __libc_dynarray_resize already checked for overflow. */
+ char *array = list->array;
+ memset (array + (old_size * element_size), 0,
+ (size - old_size) * element_size);
+ return true;
+}
+libc_hidden_def (__libc_dynarray_resize_clear)
--
cgit v1.2.1