diff options
Diffstat (limited to 'gnulib-tests/test-c-stack.c')
-rw-r--r-- | gnulib-tests/test-c-stack.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/gnulib-tests/test-c-stack.c b/gnulib-tests/test-c-stack.c new file mode 100644 index 0000000..00b5762 --- /dev/null +++ b/gnulib-tests/test-c-stack.c @@ -0,0 +1,78 @@ +/* -*- buffer-read-only: t -*- vi: set ro: */ +/* DO NOT EDIT! GENERATED AUTOMATICALLY! */ +/* Test of c-stack module. + Copyright (C) 2002, 2004, 2006, 2008-2011 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 <http://www.gnu.org/licenses/>. */ + +#include <config.h> + +#include "c-stack.h" + +#include "exitfail.h" +#include <stdio.h> +#if HAVE_SETRLIMIT +/* At least FreeBSD 5.0 needs extra headers before <sys/resource.h> + will compile. */ +# include <sys/types.h> +# include <sys/time.h> +# include <sys/resource.h> +#endif + +#include "macros.h" + +char *program_name; + +static volatile int * +recurse_1 (volatile int n, volatile int *p) +{ + if (n >= 0) + *recurse_1 (n + 1, p) += n; + return p; +} + +static int +recurse (volatile int n) +{ + int sum = 0; + return *recurse_1 (n, &sum); +} + +int +main (int argc, char **argv) +{ +#if HAVE_SETRLIMIT && defined RLIMIT_STACK + /* Before starting the endless recursion, try to be friendly to the + user's machine. On some Linux 2.2.x systems, there is no stack + limit for user processes at all. We don't want to kill such + systems. */ + struct rlimit rl; + rl.rlim_cur = rl.rlim_max = 0x100000; /* 1 MB */ + setrlimit (RLIMIT_STACK, &rl); +#endif + + program_name = argv[0]; + if (c_stack_action (NULL) == 0) + { + if (1 < argc) + { + exit_failure = 77; + ++*argv[argc]; /* Intentionally dereference NULL. */ + } + return recurse (0); + } + fputs ("skipping test: ", stderr); + perror ("c_stack_action"); + return 77; +} |