Mercurial > gnulib
view tests/test-get-rusage-as.c @ 40212:8da9577294da
unistr/*, uniconv/*: Fix undefined behaviour.
Reported by Jeffrey Walton <noloader@gmail.com>.
* lib/unistr/u-cpy.h (FUNC): Don't invoke memcpy with a zero size.
* lib/unistr/u-cpy-alloc.h (FUNC): Likewise.
* lib/uniconv/u8-conv-from-enc.c (u8_conv_from_encoding): Likewise.
* lib/uniconv/u8-conv-to-enc.c (u8_conv_to_encoding): Likewise.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sat, 09 Mar 2019 00:01:47 +0100 |
parents | b06060465f09 |
children |
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/* Test of getter for RLIMIT_AS. Copyright (C) 2011-2019 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 "resource-ext.h" #include <stdio.h> #include <stdlib.h> #include "macros.h" void *memchunk1; void *memchunk2; int main () { uintptr_t value1, value2, value3; value1 = get_rusage_as (); memchunk1 = malloc (0x88); value2 = get_rusage_as (); memchunk2 = malloc (0x281237); value3 = get_rusage_as (); if (value1 == 0 && value2 == 0 && value3 == 0) { fprintf (stderr, "Skipping test: no way to determine address space size\n"); return 77; } else { /* The address space size is positive. */ ASSERT (value1 > 0); /* Allocating memory should not decrease the address space size. */ ASSERT (value2 >= value1); ASSERT (value3 >= value2); /* Allocating 2.5 MB of memory should increase the address space size. */ ASSERT (value3 > value1); return 0; } }