From 29cd838eab01ed7110f3ccb2e8c6a35c8a31dbcc Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:21:29 +0200 Subject: Adding upstream version 1:0.1.9998svn3589+dfsg. Signed-off-by: Daniel Baumann --- src/grep/gnulib-tests/test-reallocarray.c | 58 +++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 src/grep/gnulib-tests/test-reallocarray.c (limited to 'src/grep/gnulib-tests/test-reallocarray.c') diff --git a/src/grep/gnulib-tests/test-reallocarray.c b/src/grep/gnulib-tests/test-reallocarray.c new file mode 100644 index 0000000..ff90962 --- /dev/null +++ b/src/grep/gnulib-tests/test-reallocarray.c @@ -0,0 +1,58 @@ +/* Test of reallocarray function. + Copyright (C) 2010-2021 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