tree-wide: remove Lennart's copyright lines

[elogind.git] / src / basic / alloc-util.h

diff --git a/src/basic/alloc-util.h b/src/basic/alloc-util.h
index b1e0edbb7ffef2f7190fbbea3f377096f085c1ec..ebe42889ea9f6d1918ed12fc886d0433dfab6326 100644 (file)
--- a/src/basic/alloc-util.h
+++ b/src/basic/alloc-util.h
@@ -1,25 +1,6 @@
 /* SPDX-License-Identifier: LGPL-2.1+ */
 #pragma once
 
-/***
-  This file is part of systemd.
-
-  Copyright 2010 Lennart Poettering
-
-  systemd 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.
-
-  systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
 #include <alloca.h>
 #include <stddef.h>
 #include <stdlib.h>
@@ -31,9 +12,17 @@
 
 #define new0(t, n) ((t*) calloc((n), sizeof(t)))
 
-#define newa(t, n) ((t*) alloca(sizeof(t)*(n)))
+#define newa(t, n)                                              \
+        ({                                                      \
+                assert(!size_multiply_overflow(sizeof(t), n));  \
+                (t*) alloca(sizeof(t)*(n));                     \
+        })
 
-#define newa0(t, n) ((t*) alloca0(sizeof(t)*(n)))
+#define newa0(t, n)                                             \
+        ({                                                      \
+                assert(!size_multiply_overflow(sizeof(t), n));  \
+                (t*) alloca0(sizeof(t)*(n));                    \
+        })
 
 #define newdup(t, p, n) ((t*) memdup_multiply(p, sizeof(t), (n)))