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/* This testcase is part of GDB, the GNU debugger.
Copyright 1992-2017 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;
}
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