Annotation of /trunk/mkinitrd-magellan/busybox/applets/usage_pod.c
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Revision 1123 -
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Wed Aug 18 21:56:57 2010 UTC (13 years, 9 months ago) by niro
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File size: 2329 byte(s)
Wed Aug 18 21:56:57 2010 UTC (13 years, 9 months ago) by niro
File MIME type: text/plain
File size: 2329 byte(s)
-updated to busybox-1.17.1
1 | niro | 984 | /* vi: set sw=4 ts=4: */ |
2 | /* | ||
3 | * Copyright (C) 2009 Denys Vlasenko. | ||
4 | * | ||
5 | * Licensed under GPLv2, see file LICENSE in this tarball for details. | ||
6 | */ | ||
7 | #include <unistd.h> | ||
8 | #include <stdint.h> | ||
9 | niro | 1123 | #include <stdlib.h> |
10 | niro | 984 | #include <string.h> |
11 | #include <stdio.h> | ||
12 | |||
13 | #include "autoconf.h" | ||
14 | |||
15 | #define SKIP_applet_main | ||
16 | #define ALIGN1 /* nothing, just to placate applet_tables.h */ | ||
17 | #define ALIGN2 /* nothing, just to placate applet_tables.h */ | ||
18 | #include "applet_tables.h" | ||
19 | |||
20 | /* Since we can't use platform.h, have to do this again by hand: */ | ||
21 | #if ENABLE_NOMMU | ||
22 | # define BB_MMU 0 | ||
23 | # define USE_FOR_NOMMU(...) __VA_ARGS__ | ||
24 | # define USE_FOR_MMU(...) | ||
25 | #else | ||
26 | # define BB_MMU 1 | ||
27 | # define USE_FOR_NOMMU(...) | ||
28 | # define USE_FOR_MMU(...) __VA_ARGS__ | ||
29 | #endif | ||
30 | |||
31 | #include "usage.h" | ||
32 | niro | 1123 | #define MAKE_USAGE(aname, usage) { aname, usage }, |
33 | static struct usage_data { | ||
34 | const char *aname; | ||
35 | const char *usage; | ||
36 | } usage_array[] = { | ||
37 | niro | 984 | #include "applets.h" |
38 | niro | 1123 | }; |
39 | niro | 984 | |
40 | niro | 1123 | static int compare_func(const void *a, const void *b) |
41 | { | ||
42 | const struct usage_data *ua = a; | ||
43 | const struct usage_data *ub = b; | ||
44 | return strcmp(ua->aname, ub->aname); | ||
45 | } | ||
46 | |||
47 | niro | 984 | int main(void) |
48 | { | ||
49 | int col, len2; | ||
50 | |||
51 | niro | 1123 | int i; |
52 | int num_messages = sizeof(usage_array) / sizeof(usage_array[0]); | ||
53 | |||
54 | if (num_messages == 0) | ||
55 | return 0; | ||
56 | |||
57 | qsort(usage_array, | ||
58 | num_messages, sizeof(usage_array[0]), | ||
59 | compare_func); | ||
60 | |||
61 | niro | 984 | col = 0; |
62 | niro | 1123 | for (i = 0; i < num_messages; i++) { |
63 | len2 = strlen(usage_array[i].aname) + 2; | ||
64 | niro | 984 | if (col >= 76 - len2) { |
65 | printf(",\n"); | ||
66 | col = 0; | ||
67 | } | ||
68 | if (col == 0) { | ||
69 | col = 6; | ||
70 | printf("\t"); | ||
71 | } else { | ||
72 | printf(", "); | ||
73 | } | ||
74 | niro | 1123 | printf(usage_array[i].aname); |
75 | niro | 984 | col += len2; |
76 | } | ||
77 | printf("\n\n"); | ||
78 | |||
79 | printf("=head1 COMMAND DESCRIPTIONS\n\n"); | ||
80 | printf("=over 4\n\n"); | ||
81 | |||
82 | niro | 1123 | for (i = 0; i < num_messages; i++) { |
83 | if (usage_array[i].aname[0] >= 'a' && usage_array[i].aname[0] <= 'z' | ||
84 | && usage_array[i].usage[0] != NOUSAGE_STR[0] | ||
85 | niro | 984 | ) { |
86 | niro | 1123 | printf("=item B<%s>\n\n", usage_array[i].aname); |
87 | if (usage_array[i].usage[0]) | ||
88 | printf("%s %s\n\n", usage_array[i].aname, usage_array[i].usage); | ||
89 | niro | 984 | else |
90 | niro | 1123 | printf("%s\n\n", usage_array[i].aname); |
91 | niro | 984 | } |
92 | } | ||
93 | return 0; | ||
94 | } | ||
95 | |||
96 | /* TODO: we used to make options bold with B<> and output an example too: | ||
97 | |||
98 | =item B<cat> | ||
99 | |||
100 | cat [B<-u>] [FILE]... | ||
101 | |||
102 | Concatenate FILE(s) and print them to stdout | ||
103 | |||
104 | Options: | ||
105 | -u Use unbuffered i/o (ignored) | ||
106 | |||
107 | Example: | ||
108 | $ cat /proc/uptime | ||
109 | 110716.72 17.67 | ||
110 | |||
111 | */ |