1/* Copyright 1994, 1995, 1999, 2002, 2003, 2004, 2007
2Free Software Foundation, Inc.
3
4   This program is free software; you can redistribute it and/or modify
5   it under the terms of the GNU General Public License as published by
6   the Free Software Foundation; either version 3 of the License, or
7   (at your option) any later version.
8
9   This program is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12   GNU General Public License for more details.
13
14   You should have received a copy of the GNU General Public License
15   along with this program.  If not, see <http://www.gnu.org/licenses/>.
16
17   Please email any bugs, comments, and/or additions to this file to:
18   bug-gdb@prep.ai.mit.edu  */
19
20#ifdef vxworks
21
22#  include <stdio.h>
23
24/* VxWorks does not supply atoi.  */
25static int
26atoi (z)
27     char *z;
28{
29  int i = 0;
30
31  while (*z >= '0' && *z <= '9')
32    i = i * 10 + (*z++ - '0');
33  return i;
34}
35
36/* I don't know of any way to pass an array to VxWorks.  This function
37   can be called directly from gdb.  */
38
39vxmain (arg)
40char *arg;
41{
42  char *argv[2];
43
44  argv[0] = "";
45  argv[1] = arg;
46  main (2, argv, (char **) 0);
47}
48
49#else /* ! vxworks */
50#  include <stdio.h>
51#  include <stdlib.h>
52#endif /* ! vxworks */
53
54/*
55 * The following functions do nothing useful.  They are included simply
56 * as places to try setting breakpoints at.  They are explicitly
57 * "one-line functions" to verify that this case works (some versions
58 * of gcc have or have had problems with this).
59 */
60
61#ifdef PROTOTYPES
62int marker1 (void) { return (0); }
63int marker2 (int a) { return (1); } /* set breakpoint 8 here */
64void marker3 (char *a, char *b) {}
65void marker4 (long d) {} /* set breakpoint 14 here */
66#else
67int marker1 () { return (0); }
68int marker2 (a) int a; { return (1); } /* set breakpoint 9 here */
69void marker3 (a, b) char *a, *b; {}
70void marker4 (d) long d; {}  /* set breakpoint 13 here */
71#endif
72
73/*
74 *	This simple classical example of recursion is useful for
75 *	testing stack backtraces and such.
76 */
77
78#ifdef PROTOTYPES
79int factorial(int);
80
81int
82main (int argc, char **argv, char **envp)
83#else
84int
85main (argc, argv, envp)
86int argc;
87char *argv[], **envp;
88#endif
89{
90#ifdef usestubs
91    set_debug_traps();  /* set breakpoint 5 here */
92    breakpoint();
93#endif
94    if (argc == 12345) {  /* an unlikely value < 2^16, in case uninited */ /* set breakpoint 6 here */
95	fprintf (stderr, "usage:  factorial <number>\n");
96	return 1;
97    }
98    printf ("%d\n", factorial (atoi ("6")));  /* set breakpoint 1 here */
99    /* set breakpoint 12 here */
100    marker1 ();  /* set breakpoint 11 here */
101    marker2 (43);
102    marker3 ("stack", "trace");
103    marker4 (177601976L);
104    argc = (argc == 12345); /* This is silly, but we can step off of it */ /* set breakpoint 2 here */
105    return argc;  /* set breakpoint 10 here */
106}
107
108#ifdef PROTOTYPES
109int factorial (int value)
110#else
111int factorial (value)
112int value;
113#endif
114{
115  if (value > 1) {  /* set breakpoint 7 here */
116	value *= factorial (value - 1);
117    }
118    return (value);
119}
120
121#ifdef PROTOTYPES
122int multi_line_if_conditional (int a, int b, int c)
123#else
124int multi_line_if_conditional (a, b, c)
125  int a, b, c;
126#endif
127{
128  if (a    /* set breakpoint 3 here */
129      && b
130      && c)
131    return 0;
132  else
133    return 1;
134}
135
136#ifdef PROTOTYPES
137int multi_line_while_conditional (int a, int b, int c)
138#else
139int multi_line_while_conditional (a, b, c)
140  int a, b, c;
141#endif
142{
143  while (a /* set breakpoint 4 here */
144      && b
145      && c)
146    {
147      a--, b--, c--;
148    }
149  return 0;
150}
151