summaryrefslogtreecommitdiff
path: root/tests/reallocarray.c
diff options
context:
space:
mode:
authorJörg Frings-Fürst <debian@jff.email>2022-02-07 06:57:44 +0100
committerJörg Frings-Fürst <debian@jff.email>2022-02-07 06:57:44 +0100
commit6ffaa52cf732a84c0f8259dbc9b8183960ec5c33 (patch)
treed3136c22e3e805cfc0efe78412cce905a17e0c8d /tests/reallocarray.c
parent591cbf5878b7d4105b275585b9db1324c9dfce56 (diff)
parentaf151c593704a40e10efb28d1e3dd59a23a661f3 (diff)
Merge branch 'release/debian/1.0-1'debian/1.0-1
Diffstat (limited to 'tests/reallocarray.c')
-rw-r--r--tests/reallocarray.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/tests/reallocarray.c b/tests/reallocarray.c
new file mode 100644
index 00000000..bc4cba4b
--- /dev/null
+++ b/tests/reallocarray.c
@@ -0,0 +1,39 @@
+/* reallocarray function that is glibc compatible.
+
+ Copyright (C) 2017-2022 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 <https://www.gnu.org/licenses/>. */
+
+/* written by Darshit Shah */
+
+#include <config.h>
+
+#include <stdlib.h>
+#include <errno.h>
+
+#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);
+}