| /* This testcase is part of GDB, the GNU debugger. |
| |
| Copyright 1992-2021 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 |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| extern int marker1 (void); |
| extern int marker2 (int a); |
| extern void marker3 (char *a, char *b); |
| extern void marker4 (long d); |
| |
| /* We're used by a test that requires malloc, so make sure it is in |
| the executable. */ |
| void *need_malloc () |
| { |
| return malloc (1); |
| } |
| |
| /* |
| * This simple classical example of recursion is useful for |
| * testing stack backtraces and such. |
| */ |
| |
| int factorial(int); |
| |
| int |
| main (int argc, char **argv, char **envp) |
| { |
| if (argc == 12345) { /* an unlikely value < 2^16, in case uninited */ /* set breakpoint 6 here */ |
| fprintf (stderr, "usage: factorial <number>\n"); |
| return 1; |
| } |
| printf ("%d\n", factorial (atoi ("6"))); /* set breakpoint 1 here */ |
| /* set breakpoint 12 here */ |
| marker1 (); /* set breakpoint 11 here */ |
| marker2 (43); /* set breakpoint 20 here */ |
| marker3 ("stack", "trace"); /* set breakpoint 21 here */ |
| marker4 (177601976L); |
| /* We're used by a test that requires malloc, so make sure it is |
| in the executable. */ |
| (void)malloc (1); |
| |
| argc = (argc == 12345); /* This is silly, but we can step off of it */ /* set breakpoint 2 here */ |
| return argc; /* set breakpoint 10 here */ |
| } /* set breakpoint 10a here */ |
| |
| int factorial (int value) |
| { |
| if (value > 1) { /* set breakpoint 7 here */ |
| value *= factorial (value - 1); |
| } |
| return (value); /* set breakpoint 19 here */ |
| } |
| |
| int multi_line_if_conditional (int a, int b, int c) |
| { |
| if (a /* set breakpoint 3 here */ |
| && b |
| && c) |
| return 0; |
| else |
| return 1; |
| } |
| |
| int multi_line_while_conditional (int a, int b, int c) |
| { |
| while (a /* set breakpoint 4 here */ |
| && b |
| && c) |
| { |
| a--, b--, c--; |
| } |
| return 0; |
| } |