Mercurial > gnulib
view tests/test-reallocarray.c @ 40204:db8428454956
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author | Karl Berry <karl@freefriends.org> |
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date | Sun, 03 Mar 2019 14:09:37 -0800 |
parents | b06060465f09 |
children |
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/* Test of reallocarray function. Copyright (C) 2010-2019 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 <https://www.gnu.org/licenses/>. */ #include <config.h> #include <stdlib.h> #include <errno.h> #include "signature.h" SIGNATURE_CHECK (reallocarray, void *, (void *, size_t, size_t)); int main () { size_t n; /* Check that reallocarray fails when requested to allocate a block of memory larger than SIZE_MAX bytes. */ for (n = 2; n != 0; n <<= 1) { if (reallocarray (NULL, (size_t) -1 / n + 1, n)) return 1; /* Ensure that errno is correctly set. */ if (errno != ENOMEM) return 1; } return 0; }