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
|
/* vi: set sw=4 ts=4: */
/*
* Copyright (C) 2009 Denys Vlasenko.
*
* Licensed under GPLv2, see file LICENSE in this source tree.
*/
#include <unistd.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "autoconf.h"
#define SKIP_applet_main
#define ALIGN1 /* nothing, just to placate applet_tables.h */
#define ALIGN2 /* nothing, just to placate applet_tables.h */
#include "applet_tables.h"
/* Since we can't use platform.h, have to do this again by hand: */
#if ENABLE_NOMMU
# define BB_MMU 0
# define USE_FOR_NOMMU(...) __VA_ARGS__
# define USE_FOR_MMU(...)
#else
# define BB_MMU 1
# define USE_FOR_NOMMU(...)
# define USE_FOR_MMU(...) __VA_ARGS__
#endif
#include "usage.h"
#define MAKE_USAGE(aname, usage) { aname, usage },
static struct usage_data {
const char *aname;
const char *usage;
} usage_array[] = {
#include "applets.h"
};
static int compare_func(const void *a, const void *b)
{
const struct usage_data *ua = a;
const struct usage_data *ub = b;
return strcmp(ua->aname, ub->aname);
}
int main(void)
{
int col, len2;
int i;
int num_messages = sizeof(usage_array) / sizeof(usage_array[0]);
if (num_messages == 0)
return 0;
qsort(usage_array,
num_messages, sizeof(usage_array[0]),
compare_func);
col = 0;
for (i = 0; i < num_messages; i++) {
len2 = strlen(usage_array[i].aname) + 2;
if (col >= 76 - len2) {
printf(",\n");
col = 0;
}
if (col == 0) {
col = 6;
printf("\t");
} else {
printf(", ");
}
printf(usage_array[i].aname);
col += len2;
}
printf("\n\n");
printf("=head1 COMMAND DESCRIPTIONS\n\n");
printf("=over 4\n\n");
for (i = 0; i < num_messages; i++) {
if (usage_array[i].aname[0] >= 'a' && usage_array[i].aname[0] <= 'z'
&& usage_array[i].usage[0] != NOUSAGE_STR[0]
) {
printf("=item B<%s>\n\n", usage_array[i].aname);
if (usage_array[i].usage[0])
printf("%s %s\n\n", usage_array[i].aname, usage_array[i].usage);
else
printf("%s\n\n", usage_array[i].aname);
}
}
printf("=back\n\n");
return 0;
}
/* TODO: we used to make options bold with B<> and output an example too:
=item B<cat>
cat [B<-u>] [FILE]...
Concatenate FILE(s) and print them to stdout
Options:
-u Use unbuffered i/o (ignored)
Example:
$ cat /proc/uptime
110716.72 17.67
*/
|
