1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
/* (C) 1998 Red Hat Software, Inc. -- Licensing details are in the COPYING
file accompanying popt source distributions, available from
ftp://ftp.redhat.com/pub/code/popt */
#include "system.h"
static int pass2 = 0;
static void option_callback(poptContext con, enum poptCallbackReason reason,
const struct poptOption * opt,
char * arg, void * data) {
if (pass2)
fprintf(stdout, "callback: %c %s %s ", opt->val, (char *) data, arg);
}
int arg1 = 0;
char * arg2 = "(none)";
int arg3 = 0;
int inc = 0;
int shortopt = 0;
float aFloat = 0.0;
double aDouble = 0.0;
int singleDash = 0;
static struct poptOption moreCallbackArgs[] = {
{ NULL, '\0', POPT_ARG_CALLBACK | POPT_CBFLAG_INC_DATA,
(void *)option_callback, 0, NULL },
{ "cb2", 'c', POPT_ARG_STRING, NULL, 'c', "Test argument callbacks" },
{ NULL, '\0', 0, NULL, 0 }
};
static struct poptOption callbackArgs[] = {
{ NULL, '\0', POPT_ARG_CALLBACK, (void *)option_callback, 0, "sampledata" },
{ "cb", 'c', POPT_ARG_STRING, NULL, 'c', "Test argument callbacks" },
{ "long", '\0', 0, NULL, 'l', "Unused option for help testing" },
{ NULL, '\0', 0, NULL, 0 }
};
static struct poptOption moreArgs[] = {
{ "inc", 'i', 0, &inc, 0, "An included argument" },
{ NULL, '\0', 0, NULL, 0 }
};
static struct poptOption options[] = {
{ NULL, '\0', POPT_ARG_INCLUDE_TABLE, &moreCallbackArgs, 0, "arg for cb2" },
{ "arg1", '\0', 0, &arg1, 0, "First argument with a really long"
" description. After all, we have to test argument help"
" wrapping somehow, right?", NULL },
{ "arg2", '2', POPT_ARG_STRING, &arg2, 0, "Another argument", "ARG" },
{ "arg3", '3', POPT_ARG_INT, &arg3, 0, "A third argument", "ANARG" },
{ "shortoption", '\0', POPT_ARGFLAG_ONEDASH, &shortopt, 0,
"Needs a single -", NULL },
{ "hidden", '\0', POPT_ARG_STRING | POPT_ARGFLAG_DOC_HIDDEN, NULL, 0,
"This shouldn't show up", NULL },
{ "unused", '\0', POPT_ARG_STRING, NULL, 0,
"Unused option for help testing", "UNUSED" },
{ "float", 'f', POPT_ARG_FLOAT, &aFloat, 0,
"A float argument", "FLOAT" },
{ "double", 'd', POPT_ARG_DOUBLE, &aDouble, 0,
"A double argument", "DOUBLE" },
{ NULL, '-', POPT_ARG_NONE | POPT_ARGFLAG_DOC_HIDDEN, &singleDash, 0 },
{ NULL, '\0', POPT_ARG_INCLUDE_TABLE, &moreArgs, 0, NULL },
{ NULL, '\0', POPT_ARG_INCLUDE_TABLE, &callbackArgs, 0, "Callback arguments" },
POPT_AUTOHELP
{ NULL, '\0', 0, NULL, 0 }
};
static void resetVars(void)
{
arg1 = 0;
arg2 = "(none)";
arg3 = 0;
inc = 0;
shortopt = 0;
aFloat = 0.0;
aDouble = 0.0;
singleDash = 0;
pass2 = 0;
}
int main(int argc, const char ** argv) {
int rc;
int ec = 0;
poptContext optCon;
const char ** rest;
int help = 0;
int usage = 0;
#if HAVE_MCHECK_H && HAVE_MTRACE
mtrace(); /* Trace malloc only if MALLOC_TRACE=mtrace-output-file. */
#endif
resetVars();
optCon = poptGetContext("test1", argc, argv, options, 0);
poptReadConfigFile(optCon, "./test-poptrc");
#if 1
while ((rc = poptGetNextOpt(optCon)) > 0) /* Read all the options ... */
;
poptResetContext(optCon); /* ... and then start over. */
resetVars();
#endif
pass2 = 1;
if ((rc = poptGetNextOpt(optCon)) < -1) {
fprintf(stderr, "test1: bad argument %s: %s\n",
poptBadOption(optCon, POPT_BADOPTION_NOALIAS),
poptStrerror(rc));
ec = 2;
goto exit;
}
if (help) {
poptPrintHelp(optCon, stdout, 0);
goto exit;
}
if (usage) {
poptPrintUsage(optCon, stdout, 0);
goto exit;
}
fprintf(stdout, "arg1: %d arg2: %s", arg1, arg2);
if (arg3)
fprintf(stdout, " arg3: %d", arg3);
if (inc)
fprintf(stdout, " inc: %d", inc);
if (shortopt)
fprintf(stdout, " short: %d", shortopt);
if (aFloat != 0.0)
fprintf(stdout, " aFloat: %g", aFloat);
if (aDouble != 0.0)
fprintf(stdout, " aDouble: %g", aDouble);
if (singleDash)
fprintf(stdout, " -");
rest = poptGetArgs(optCon);
if (rest) {
fprintf(stdout, " rest:");
while (*rest) {
fprintf(stdout, " %s", *rest);
rest++;
}
}
fprintf(stdout, "\n");
exit:
poptFreeContext(optCon);
#if HAVE_MCHECK_H && HAVE_MTRACE
muntrace(); /* Trace malloc only if MALLOC_TRACE=mtrace-output-file. */
#endif
return ec;
}
|