From be8efac78d067c138ad8dda03df4336e73f94887 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= Date: Sat, 8 Jan 2022 11:51:07 +0100 Subject: New upstream version 1.0 --- tests/test-reallocarray.c | 58 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 tests/test-reallocarray.c (limited to 'tests/test-reallocarray.c') diff --git a/tests/test-reallocarray.c b/tests/test-reallocarray.c new file mode 100644 index 0000000..e7c4bcd --- /dev/null +++ b/tests/test-reallocarray.c @@ -0,0 +1,58 @@ +/* Test of reallocarray function. + Copyright (C) 2010-2022 Free Software Foundation, Inc. + + This program 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. + + This program 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 this program. If not, see . */ + +#include + +/* Specification. */ +#include + +#include +#include + +#include "signature.h" +SIGNATURE_CHECK (reallocarray, void *, (void *, size_t, size_t)); + +#include "macros.h" + +int +main () +{ + /* Check that reallocarray fails when requested to allocate a block + of memory larger than PTRDIFF_MAX or SIZE_MAX bytes. */ + for (size_t n = 2; n != 0; n <<= 1) + { + void *volatile p = NULL; + + if (PTRDIFF_MAX / n + 1 <= SIZE_MAX) + { + p = reallocarray (p, PTRDIFF_MAX / n + 1, n); + ASSERT (p == NULL); + ASSERT (errno == ENOMEM); + } + + p = reallocarray (p, SIZE_MAX / n + 1, n); + ASSERT (p == NULL); + ASSERT (errno == ENOMEM + || errno == EOVERFLOW /* NetBSD */); + + /* Reallocarray should not crash with zero sizes. */ + p = reallocarray (p, 0, n); + p = reallocarray (p, n, 0); + free (p); + } + + return 0; +} -- cgit v1.2.3