lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame^] | 1 | /* Copyright (C) 2003 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | Contributed by Bao Duong <bduong@progress.com>, 2003. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, write to the Free |
| 17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 18 | 02111-1307 USA. */ |
| 19 | |
| 20 | #include <setjmp.h> |
| 21 | #include <signal.h> |
| 22 | #include <stdio.h> |
| 23 | #include <stdlib.h> |
| 24 | #include <sys/types.h> |
| 25 | |
| 26 | static sigjmp_buf jmpbuf; |
| 27 | |
| 28 | static void |
| 29 | sig_handler (int signo) |
| 30 | { |
| 31 | siglongjmp (jmpbuf, 1); |
| 32 | } |
| 33 | |
| 34 | static int |
| 35 | do_test (void) |
| 36 | { |
| 37 | char *p = NULL; |
| 38 | struct sigaction sa; |
| 39 | |
| 40 | sa.sa_handler = sig_handler; |
| 41 | sigemptyset (&sa.sa_mask); |
| 42 | sa.sa_flags = SA_SIGINFO; |
| 43 | |
| 44 | if (sigaction (SIGSEGV, &sa, 0)) |
| 45 | { |
| 46 | perror ("installing SIGSEGV handler\n"); |
| 47 | exit (1); |
| 48 | } |
| 49 | |
| 50 | puts ("Attempting to sprintf to null ptr"); |
| 51 | if (setjmp (jmpbuf)) |
| 52 | { |
| 53 | puts ("Exiting main..."); |
| 54 | return 0; |
| 55 | } |
| 56 | |
| 57 | sprintf (p, "This should segv\n"); |
| 58 | |
| 59 | return 1; |
| 60 | } |
| 61 | |
| 62 | #define TEST_FUNCTION do_test () |
| 63 | #include "../test-skeleton.c" |