diff options
Diffstat (limited to 'applets/usage_pod.c')
-rw-r--r-- | applets/usage_pod.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/applets/usage_pod.c b/applets/usage_pod.c new file mode 100644 index 000000000..058e0c842 --- /dev/null +++ b/applets/usage_pod.c | |||
@@ -0,0 +1,97 @@ | |||
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 && usage) { | ||
70 | if (*names >= 'a' && *names <= 'z' | ||
71 | && *usage != NOUSAGE_STR[0] | ||
72 | ) { | ||
73 | printf("=item B<%s>\n\n", names); | ||
74 | printf("%s %s\n\n", names, usage); | ||
75 | } | ||
76 | names += strlen(names) + 1; | ||
77 | usage += strlen(usage) + 1; | ||
78 | } | ||
79 | return 0; | ||
80 | } | ||
81 | |||
82 | /* TODO: we used to make options bold with B<> and output an example too: | ||
83 | |||
84 | =item B<cat> | ||
85 | |||
86 | cat [B<-u>] [FILE]... | ||
87 | |||
88 | Concatenate FILE(s) and print them to stdout | ||
89 | |||
90 | Options: | ||
91 | -u Use unbuffered i/o (ignored) | ||
92 | |||
93 | Example: | ||
94 | $ cat /proc/uptime | ||
95 | 110716.72 17.67 | ||
96 | |||
97 | */ | ||