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10213
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1 /* Test of c-stack module. |
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2 Copyright (C) 2002, 2004, 2006, 2008 Free Software Foundation, Inc. |
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3 |
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4 This program is free software: you can redistribute it and/or modify |
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5 it under the terms of the GNU General Public License as published by |
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6 the Free Software Foundation; either version 3 of the License, or |
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7 (at your option) any later version. |
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8 |
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9 This program is distributed in the hope that it will be useful, |
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 GNU General Public License for more details. |
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13 |
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14 You should have received a copy of the GNU General Public License |
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15 along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
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16 |
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17 #include <config.h> |
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18 |
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19 #include "c-stack.h" |
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20 |
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21 #include "exitfail.h" |
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22 #include <stdio.h> |
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23 #include <stdlib.h> |
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24 #if HAVE_SETRLIMIT |
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25 # include <sys/resource.h> |
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26 #endif |
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27 |
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28 #define ASSERT(expr) \ |
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29 do \ |
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30 { \ |
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31 if (!(expr)) \ |
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32 { \ |
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33 fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \ |
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34 fflush (stderr); \ |
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35 abort (); \ |
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36 } \ |
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37 } \ |
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38 while (0) |
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39 |
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40 static long |
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41 recurse (char *p) |
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42 { |
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43 char array[500]; |
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44 array[0] = 1; |
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45 return *p + recurse (array); |
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46 } |
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47 |
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48 char *program_name; |
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49 |
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50 int |
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51 main (int argc, char **argv) |
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52 { |
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53 program_name = argv[0]; |
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54 #if HAVE_SETRLIMIT && defined RLIMIT_STACK |
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55 /* Before starting the endless recursion, try to be friendly to the |
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56 user's machine. On some Linux 2.2.x systems, there is no stack |
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57 limit for user processes at all. We don't want to kill such |
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58 systems. */ |
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59 struct rlimit rl; |
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60 rl.rlim_cur = rl.rlim_max = 0x100000; /* 1 MB */ |
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61 setrlimit (RLIMIT_STACK, &rl); |
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62 #endif |
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63 |
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64 if (c_stack_action (0) == 0) |
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65 return recurse ("\1"); |
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66 perror ("c_stack_action"); |
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67 return 77; |
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68 } |
