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4c38e0a4 | 1 | /* Copyright 1994, 1995, 1999, 2002, 2003, 2004, 2007, 2008, 2009, 2010 |
6aba47ca | 2 | Free Software Foundation, Inc. |
1f8a6abb EZ |
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 | |
a9762ec7 | 6 | the Free Software Foundation; either version 3 of the License, or |
1f8a6abb | 7 | (at your option) any later version. |
a9762ec7 | 8 | |
1f8a6abb EZ |
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. | |
a9762ec7 | 13 | |
1f8a6abb | 14 | You should have received a copy of the GNU General Public License |
c7b778ff | 15 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
1f8a6abb EZ |
16 | |
17 | #ifdef vxworks | |
18 | ||
19 | # include <stdio.h> | |
20 | ||
21 | /* VxWorks does not supply atoi. */ | |
22 | static int | |
23 | atoi (z) | |
24 | char *z; | |
25 | { | |
26 | int i = 0; | |
27 | ||
28 | while (*z >= '0' && *z <= '9') | |
29 | i = i * 10 + (*z++ - '0'); | |
30 | return i; | |
31 | } | |
32 | ||
33 | /* I don't know of any way to pass an array to VxWorks. This function | |
34 | can be called directly from gdb. */ | |
35 | ||
36 | vxmain (arg) | |
37 | char *arg; | |
38 | { | |
39 | char *argv[2]; | |
40 | ||
41 | argv[0] = ""; | |
42 | argv[1] = arg; | |
43 | main (2, argv, (char **) 0); | |
44 | } | |
45 | ||
46 | #else /* ! vxworks */ | |
47 | # include <stdio.h> | |
48 | # include <stdlib.h> | |
49 | #endif /* ! vxworks */ | |
50 | ||
51 | /* | |
52 | * The following functions do nothing useful. They are included simply | |
53 | * as places to try setting breakpoints at. They are explicitly | |
54 | * "one-line functions" to verify that this case works (some versions | |
55 | * of gcc have or have had problems with this). | |
56 | */ | |
57 | ||
58 | #ifdef PROTOTYPES | |
59 | int marker1 (void) { return (0); } | |
60 | int marker2 (int a) { return (1); } /* set breakpoint 8 here */ | |
61 | void marker3 (char *a, char *b) {} | |
62 | void marker4 (long d) {} /* set breakpoint 14 here */ | |
63 | #else | |
64 | int marker1 () { return (0); } | |
65 | int marker2 (a) int a; { return (1); } /* set breakpoint 9 here */ | |
66 | void marker3 (a, b) char *a, *b; {} | |
67 | void marker4 (d) long d; {} /* set breakpoint 13 here */ | |
68 | #endif | |
69 | ||
70 | /* | |
71 | * This simple classical example of recursion is useful for | |
72 | * testing stack backtraces and such. | |
73 | */ | |
74 | ||
75 | #ifdef PROTOTYPES | |
76 | int factorial(int); | |
77 | ||
78 | int | |
79 | main (int argc, char **argv, char **envp) | |
80 | #else | |
81 | int | |
82 | main (argc, argv, envp) | |
83 | int argc; | |
84 | char *argv[], **envp; | |
85 | #endif | |
86 | { | |
87 | #ifdef usestubs | |
88 | set_debug_traps(); /* set breakpoint 5 here */ | |
89 | breakpoint(); | |
90 | #endif | |
91 | if (argc == 12345) { /* an unlikely value < 2^16, in case uninited */ /* set breakpoint 6 here */ | |
92 | fprintf (stderr, "usage: factorial <number>\n"); | |
93 | return 1; | |
94 | } | |
95 | printf ("%d\n", factorial (atoi ("6"))); /* set breakpoint 1 here */ | |
96 | /* set breakpoint 12 here */ | |
97 | marker1 (); /* set breakpoint 11 here */ | |
98 | marker2 (43); | |
99 | marker3 ("stack", "trace"); | |
100 | marker4 (177601976L); | |
101 | argc = (argc == 12345); /* This is silly, but we can step off of it */ /* set breakpoint 2 here */ | |
102 | return argc; /* set breakpoint 10 here */ | |
103 | } | |
104 | ||
105 | #ifdef PROTOTYPES | |
106 | int factorial (int value) | |
107 | #else | |
108 | int factorial (value) | |
109 | int value; | |
110 | #endif | |
111 | { | |
112 | if (value > 1) { /* set breakpoint 7 here */ | |
113 | value *= factorial (value - 1); | |
114 | } | |
115 | return (value); | |
116 | } | |
117 | ||
118 | #ifdef PROTOTYPES | |
119 | int multi_line_if_conditional (int a, int b, int c) | |
120 | #else | |
121 | int multi_line_if_conditional (a, b, c) | |
122 | int a, b, c; | |
123 | #endif | |
124 | { | |
125 | if (a /* set breakpoint 3 here */ | |
126 | && b | |
127 | && c) | |
128 | return 0; | |
129 | else | |
130 | return 1; | |
131 | } | |
132 | ||
133 | #ifdef PROTOTYPES | |
134 | int multi_line_while_conditional (int a, int b, int c) | |
135 | #else | |
136 | int multi_line_while_conditional (a, b, c) | |
137 | int a, b, c; | |
138 | #endif | |
139 | { | |
140 | while (a /* set breakpoint 4 here */ | |
141 | && b | |
142 | && c) | |
143 | { | |
144 | a--, b--, c--; | |
145 | } | |
146 | return 0; | |
147 | } |