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-malloca.c | 62 ++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 src/grep/gnulib-tests/test-malloca.c (limited to 'src/grep/gnulib-tests/test-malloca.c') diff --git a/src/grep/gnulib-tests/test-malloca.c b/src/grep/gnulib-tests/test-malloca.c new file mode 100644 index 0000000..52d95a5 --- /dev/null +++ b/src/grep/gnulib-tests/test-malloca.c @@ -0,0 +1,62 @@ +/* Test of safe automatic memory allocation. + Copyright (C) 2005, 2007, 2009-2021 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 . */ + +/* Written by Bruno Haible , 2005. */ + +#include + +#include "malloca.h" + +#include + +static void +do_allocation (int n) +{ + void *volatile ptr = malloca (n); + freea (ptr); + safe_alloca (n); +} + +void (*func) (int) = do_allocation; + +int +main () +{ + int i; + + /* This slows down malloc a lot. */ + unsetenv ("MALLOC_PERTURB_"); + + /* Repeat a lot of times, to make sure there's no memory leak. */ + for (i = 0; i < 50000; i++) + { + /* Try various values. + n = 0 gave a crash on Alpha with gcc-2.5.8. + Some versions of Mac OS X have a stack size limit of 512 KB. */ + func (34); + func (134); + func (399); + func (510823); + func (129321); + func (0); + func (4070); + func (4095); + func (1); + func (16582); + } + + return 0; +} -- cgit v1.2.3