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glibc  2.9
tst-cleanup2.c
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00001 /* Copyright (C) 2003 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003    Contributed by Bao Duong <bduong@progress.com>, 2003.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 #include <setjmp.h>
00021 #include <signal.h>
00022 #include <stdio.h>
00023 #include <stdlib.h>
00024 #include <sys/types.h>
00025 
00026 static sigjmp_buf jmpbuf;
00027 
00028 static void
00029 sig_handler (int signo)
00030 {
00031   siglongjmp (jmpbuf, 1);
00032 }
00033 
00034 static int
00035 do_test (void)
00036 {
00037   char *p = NULL;
00038   struct sigaction sa;
00039 
00040   sa.sa_handler = sig_handler;
00041   sigemptyset (&sa.sa_mask);
00042   sa.sa_flags = SA_SIGINFO;
00043 
00044   if (sigaction (SIGSEGV, &sa, 0))
00045     {
00046       perror ("installing SIGSEGV handler\n");
00047       exit (1);
00048     }
00049 
00050   puts ("Attempting to sprintf to null ptr");
00051   if (setjmp (jmpbuf))
00052     {
00053       puts ("Exiting main...");
00054       return 0;
00055     }
00056 
00057   sprintf (p, "This should segv\n");
00058 
00059   return 1;
00060 }
00061 
00062 #define TEST_FUNCTION do_test ()
00063 #include "../test-skeleton.c"