X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-c-stack.c;h=cc27b43bda21ecf89c6d7b74a5fc4469c4efad10;hb=0568a6e8985cc2ae9c57cb03fc81f5305458b7d2;hp=13c1a125608d076e730cfdf80482dca19574331a;hpb=c3b5d31b4526468a99602704eaea1f95cbd78e6d;p=gnulib.git diff --git a/tests/test-c-stack.c b/tests/test-c-stack.c index 13c1a1256..cc27b43bd 100644 --- a/tests/test-c-stack.c +++ b/tests/test-c-stack.c @@ -1,5 +1,5 @@ /* Test of c-stack module. - Copyright (C) 2002, 2004, 2006, 2008 Free Software Foundation, Inc. + 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 @@ -20,49 +20,57 @@ #include "exitfail.h" #include -#include #if HAVE_SETRLIMIT +/* At least FreeBSD 5.0 needs extra headers before + will compile. */ +# include +# include # include #endif -#define ASSERT(expr) \ - do \ - { \ - if (!(expr)) \ - { \ - fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \ - fflush (stderr); \ - abort (); \ - } \ - } \ - while (0) +#include "macros.h" -static long -recurse (char *p) +char *program_name; + +static volatile int * +recurse_1 (volatile int n, volatile int *p) { - char array[500]; - array[0] = 1; - return *p + recurse (array); + if (n >= 0) + *recurse_1 (n + 1, p) += n; + return p; } -char *program_name; +static int +recurse (volatile int n) +{ + int sum = 0; + return *recurse_1 (n, &sum); +} int main (int argc, char **argv) { - program_name = argv[0]; #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); + /* 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 - if (c_stack_action (0) == 0) - return recurse ("\1"); + 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; }