1 /* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2012-2017 Free Software Foundation, Inc. 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 3 of the License, or 8 (at your option) any later version. 9 10 This program 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 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 17 18 #include <setjmp.h> 19 #include <string.h> 20 #include <stdlib.h> 21 22 #define BUFSIZE 0x1000 23 24 static jmp_buf jmp; 25 26 void 27 infcall (void) 28 { 29 longjmp (jmp, 1); /* test-next */ 30 } 31 32 static void 33 run1 (void) 34 { 35 char buf[BUFSIZE / 2]; 36 int dummy = 0; 37 38 dummy++; /* break-run1 */ 39 } 40 41 static char buf_zero[BUFSIZE]; 42 43 static void 44 run2 (void) 45 { 46 char buf[BUFSIZE]; 47 48 memset (buf, 0, sizeof (buf)); 49 50 if (memcmp (buf, buf_zero, sizeof (buf)) != 0) /* break-run2 */ 51 abort (); /* break-fail */ 52 } 53 54 int 55 main () 56 { 57 if (setjmp (jmp) == 0) /* test-pass */ 58 infcall (); 59 60 if (setjmp (jmp) == 0) /* test-fail */ 61 run1 (); 62 else 63 run2 (); 64 65 return 0; /* break-exit */ 66 } 67