1/* This testcase is part of GDB, the GNU debugger.
2
3   Copyright 1992, 1993, 1994, 1995, 1999, 2002, 2003 Free Software
4   Foundation, Inc.
5
6   This program is free software; you can redistribute it and/or modify
7   it under the terms of the GNU General Public License as published by
8   the Free Software Foundation; either version 2 of the License, or
9   (at your option) any later version.
10
11   This program is distributed in the hope that it will be useful,
12   but WITHOUT ANY WARRANTY; without even the implied warranty of
13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14   GNU General Public License for more details.
15
16   You should have received a copy of the GNU General Public License
17   along with this program; if not, write to the Free Software
18   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19
20   Please email any bugs, comments, and/or additions to this file to:
21   bug-gdb@prep.ai.mit.edu  */
22
23#ifdef vxworks
24
25#  include <stdio.h>
26
27/* VxWorks does not supply atoi.  */
28static int
29atoi (z)
30     char *z;
31{
32  int i = 0;
33
34  while (*z >= '0' && *z <= '9')
35    i = i * 10 + (*z++ - '0');
36  return i;
37}
38
39/* I don't know of any way to pass an array to VxWorks.  This function
40   can be called directly from gdb.  */
41
42vxmain (arg)
43char *arg;
44{
45  char *argv[2];
46
47  argv[0] = "";
48  argv[1] = arg;
49  main (2, argv, (char **) 0);
50}
51
52#else /* ! vxworks */
53#  include <stdio.h>
54#  include <stdlib.h>
55#endif /* ! vxworks */
56
57#ifdef PROTOTYPES
58extern int marker1 (void);
59extern int marker2 (int a);
60extern void marker3 (char *a, char *b);
61extern void marker4 (long d);
62#else
63extern int marker1 ();
64extern int marker2 ();
65extern void marker3 ();
66extern void marker4 ();
67#endif
68
69/*
70 *	This simple classical example of recursion is useful for
71 *	testing stack backtraces and such.
72 */
73
74#ifdef PROTOTYPES
75int factorial(int);
76
77int
78main (int argc, char **argv, char **envp)
79#else
80int
81main (argc, argv, envp)
82int argc;
83char *argv[], **envp;
84#endif
85{
86#ifdef usestubs
87    set_debug_traps();  /* set breakpoint 5 here */
88    breakpoint();
89#endif
90    if (argc == 12345) {  /* an unlikely value < 2^16, in case uninited */ /* set breakpoint 6 here */
91	fprintf (stderr, "usage:  factorial <number>\n");
92	return 1;
93    }
94    printf ("%d\n", factorial (atoi ("6")));  /* set breakpoint 1 here */
95    /* set breakpoint 12 here */
96    marker1 ();  /* set breakpoint 11 here */
97    marker2 (43); /* set breakpoint 20 here */
98    marker3 ("stack", "trace"); /* set breakpoint 21 here */
99    marker4 (177601976L);
100    argc = (argc == 12345); /* This is silly, but we can step off of it */ /* set breakpoint 2 here */
101    return argc;  /* set breakpoint 10 here */
102}
103
104#ifdef PROTOTYPES
105int factorial (int value)
106#else
107int factorial (value)
108int value;
109#endif
110{
111  if (value > 1) {  /* set breakpoint 7 here */
112	value *= factorial (value - 1);
113    }
114    return (value); /* set breakpoint 19 here */
115}
116
117#ifdef PROTOTYPES
118int multi_line_if_conditional (int a, int b, int c)
119#else
120int multi_line_if_conditional (a, b, c)
121  int a, b, c;
122#endif
123{
124  if (a    /* set breakpoint 3 here */
125      && b
126      && c)
127    return 0;
128  else
129    return 1;
130}
131
132#ifdef PROTOTYPES
133int multi_line_while_conditional (int a, int b, int c)
134#else
135int multi_line_while_conditional (a, b, c)
136  int a, b, c;
137#endif
138{
139  while (a /* set breakpoint 4 here */
140      && b
141      && c)
142    {
143      a--, b--, c--;
144    }
145  return 0;
146}
147