From e8bd88d1fcded01ccd066572eeaae1b507989cb3 Mon Sep 17 00:00:00 2001
From: RincewindsHat <12514511+RincewindsHat@users.noreply.github.com>
Date: Tue, 31 Jan 2023 14:46:01 +0100
Subject: Sync with the latest Gnulib code 668c0b8ffa
---
gl/malloc/dynarray_resize_clear.c | 39 +++++++++++++++++++++++++++++++++++++++
1 file changed, 39 insertions(+)
create mode 100644 gl/malloc/dynarray_resize_clear.c
(limited to 'gl/malloc/dynarray_resize_clear.c')
diff --git a/gl/malloc/dynarray_resize_clear.c b/gl/malloc/dynarray_resize_clear.c
new file mode 100644
index 00000000..bb23c522
--- /dev/null
+++ b/gl/malloc/dynarray_resize_clear.c
@@ -0,0 +1,39 @@
+/* Increase the size of a dynamic array and clear the new part.
+ Copyright (C) 2017-2023 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 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 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ . */
+
+#ifndef _LIBC
+# include
+#endif
+
+#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 v1.2.3-74-g34f1