Commit | Line | Data |
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c906108c SS |
1 | #ifdef vxworks |
2 | ||
3 | # include <stdio.h> | |
4 | ||
5 | /* VxWorks does not supply atoi. */ | |
6 | static int | |
7 | atoi (z) | |
8 | char *z; | |
9 | { | |
10 | int i = 0; | |
11 | ||
12 | while (*z >= '0' && *z <= '9') | |
13 | i = i * 10 + (*z++ - '0'); | |
14 | return i; | |
15 | } | |
16 | ||
17 | /* I don't know of any way to pass an array to VxWorks. This function | |
18 | can be called directly from gdb. */ | |
19 | ||
20 | vxmain (arg) | |
21 | char *arg; | |
22 | { | |
23 | char *argv[2]; | |
24 | ||
25 | argv[0] = ""; | |
26 | argv[1] = arg; | |
27 | main (2, argv, (char **) 0); | |
28 | } | |
29 | ||
30 | #else /* ! vxworks */ | |
31 | # include <stdio.h> | |
085dd6e6 | 32 | # include <stdlib.h> |
c906108c SS |
33 | #endif /* ! vxworks */ |
34 | ||
35 | /* | |
36 | * The following functions do nothing useful. They are included simply | |
37 | * as places to try setting breakpoints at. They are explicitly | |
38 | * "one-line functions" to verify that this case works (some versions | |
39 | * of gcc have or have had problems with this). | |
40 | */ | |
41 | ||
085dd6e6 JM |
42 | #ifdef PROTOTYPES |
43 | int marker1 (void) { return (0); } | |
a50d3602 | 44 | int marker2 (int a) { return (1); } /* set breakpoint 8 here */ |
085dd6e6 | 45 | void marker3 (char *a, char *b) {} |
a50d3602 | 46 | void marker4 (long d) {} /* set breakpoint 14 here */ |
085dd6e6 | 47 | #else |
c906108c | 48 | int marker1 () { return (0); } |
a50d3602 | 49 | int marker2 (a) int a; { return (1); } /* set breakpoint 9 here */ |
c906108c | 50 | void marker3 (a, b) char *a, *b; {} |
a50d3602 | 51 | void marker4 (d) long d; {} /* set breakpoint 13 here */ |
085dd6e6 | 52 | #endif |
c906108c SS |
53 | |
54 | /* | |
55 | * This simple classical example of recursion is useful for | |
56 | * testing stack backtraces and such. | |
57 | */ | |
58 | ||
085dd6e6 JM |
59 | #ifdef PROTOTYPES |
60 | int factorial(int); | |
61 | ||
62 | int | |
63 | main (int argc, char **argv, char **envp) | |
64 | #else | |
c906108c SS |
65 | int |
66 | main (argc, argv, envp) | |
67 | int argc; | |
68 | char *argv[], **envp; | |
085dd6e6 | 69 | #endif |
c906108c SS |
70 | { |
71 | #ifdef usestubs | |
a50d3602 | 72 | set_debug_traps(); /* set breakpoint 5 here */ |
c906108c SS |
73 | breakpoint(); |
74 | #endif | |
a50d3602 | 75 | if (argc == 12345) { /* an unlikely value < 2^16, in case uninited */ /* set breakpoint 6 here */ |
c906108c SS |
76 | fprintf (stderr, "usage: factorial <number>\n"); |
77 | return 1; | |
78 | } | |
a50d3602 EZ |
79 | printf ("%d\n", factorial (atoi ("6"))); /* set breakpoint 1 here */ |
80 | /* set breakpoint 12 here */ | |
81 | marker1 (); /* set breakpoint 11 here */ | |
c906108c SS |
82 | marker2 (43); |
83 | marker3 ("stack", "trace"); | |
84 | marker4 (177601976L); | |
a50d3602 EZ |
85 | argc = (argc == 12345); /* This is silly, but we can step off of it */ /* set breakpoint 2 here */ |
86 | return argc; /* set breakpoint 10 here */ | |
c906108c SS |
87 | } |
88 | ||
085dd6e6 JM |
89 | #ifdef PROTOTYPES |
90 | int factorial (int value) | |
91 | #else | |
c906108c SS |
92 | int factorial (value) |
93 | int value; | |
085dd6e6 | 94 | #endif |
c906108c | 95 | { |
a50d3602 | 96 | if (value > 1) { /* set breakpoint 7 here */ |
c906108c SS |
97 | value *= factorial (value - 1); |
98 | } | |
99 | return (value); | |
100 | } | |
101 | ||
f286b2c3 JL |
102 | #ifdef PROTOTYPES |
103 | int multi_line_if_conditional (int a, int b, int c) | |
104 | #else | |
105 | int multi_line_if_conditional (a, b, c) | |
106 | int a, b, c; | |
107 | #endif | |
108 | { | |
a50d3602 | 109 | if (a /* set breakpoint 3 here */ |
f286b2c3 JL |
110 | && b |
111 | && c) | |
112 | return 0; | |
113 | else | |
114 | return 1; | |
115 | } | |
116 | ||
117 | #ifdef PROTOTYPES | |
118 | int multi_line_while_conditional (int a, int b, int c) | |
119 | #else | |
120 | int multi_line_while_conditional (a, b, c) | |
121 | int a, b, c; | |
122 | #endif | |
123 | { | |
a50d3602 | 124 | while (a /* set breakpoint 4 here */ |
f286b2c3 JL |
125 | && b |
126 | && c) | |
127 | { | |
128 | a--, b--, c--; | |
129 | } | |
130 | return 0; | |
131 | } |