Contents of /tags/mkinitrd-6_2_1/busybox/applets/usage_pod.c
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Sun May 30 12:16:23 2010 UTC (14 years, 3 months ago) by niro
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File size: 1943 byte(s)
Sun May 30 12:16:23 2010 UTC (14 years, 3 months ago) by niro
File MIME type: text/plain
File size: 1943 byte(s)
tagged 'mkinitrd-6_2_1'
1 | /* 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 | #include <string.h> |
10 | #include <stdio.h> |
11 | |
12 | /* Just #include "autoconf.h" doesn't work for builds in separate |
13 | * object directory */ |
14 | #include "autoconf.h" |
15 | |
16 | #define SKIP_applet_main |
17 | #define ALIGN1 /* nothing, just to placate applet_tables.h */ |
18 | #define ALIGN2 /* nothing, just to placate applet_tables.h */ |
19 | #include "applet_tables.h" |
20 | |
21 | /* Since we can't use platform.h, have to do this again by hand: */ |
22 | #if ENABLE_NOMMU |
23 | # define BB_MMU 0 |
24 | # define USE_FOR_NOMMU(...) __VA_ARGS__ |
25 | # define USE_FOR_MMU(...) |
26 | #else |
27 | # define BB_MMU 1 |
28 | # define USE_FOR_NOMMU(...) |
29 | # define USE_FOR_MMU(...) __VA_ARGS__ |
30 | #endif |
31 | |
32 | static const char usage_messages[] = "" |
33 | #define MAKE_USAGE |
34 | #include "usage.h" |
35 | #include "applets.h" |
36 | ; |
37 | |
38 | int main(void) |
39 | { |
40 | const char *names; |
41 | const char *usage; |
42 | int col, len2; |
43 | |
44 | col = 0; |
45 | names = applet_names; |
46 | while (*names) { |
47 | len2 = strlen(names) + 2; |
48 | if (col >= 76 - len2) { |
49 | printf(",\n"); |
50 | col = 0; |
51 | } |
52 | if (col == 0) { |
53 | col = 6; |
54 | printf("\t"); |
55 | } else { |
56 | printf(", "); |
57 | } |
58 | printf(names); |
59 | col += len2; |
60 | names += len2 - 1; |
61 | } |
62 | printf("\n\n"); |
63 | |
64 | printf("=head1 COMMAND DESCRIPTIONS\n\n"); |
65 | printf("=over 4\n\n"); |
66 | |
67 | names = applet_names; |
68 | usage = usage_messages; |
69 | while (*names) { |
70 | if (*names >= 'a' && *names <= 'z' |
71 | && *usage != NOUSAGE_STR[0] |
72 | ) { |
73 | printf("=item B<%s>\n\n", names); |
74 | if (*usage) |
75 | printf("%s %s\n\n", names, usage); |
76 | else |
77 | printf("%s\n\n", names); |
78 | } |
79 | names += strlen(names) + 1; |
80 | usage += strlen(usage) + 1; |
81 | } |
82 | return 0; |
83 | } |
84 | |
85 | /* TODO: we used to make options bold with B<> and output an example too: |
86 | |
87 | =item B<cat> |
88 | |
89 | cat [B<-u>] [FILE]... |
90 | |
91 | Concatenate FILE(s) and print them to stdout |
92 | |
93 | Options: |
94 | -u Use unbuffered i/o (ignored) |
95 | |
96 | Example: |
97 | $ cat /proc/uptime |
98 | 110716.72 17.67 |
99 | |
100 | */ |