Contents of /tags/mkinitrd-6_2_3/busybox/util-linux/lsusb.c
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Mon May 31 20:54:44 2010 UTC (14 years, 3 months ago) by niro
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File size: 1556 byte(s)
Mon May 31 20:54:44 2010 UTC (14 years, 3 months ago) by niro
File MIME type: text/plain
File size: 1556 byte(s)
tagged 'mkinitrd-6_2_3'
1 | /* vi: set sw=4 ts=4: */ |
2 | /* |
3 | * lspci implementation for busybox |
4 | * |
5 | * Copyright (C) 2009 Malek Degachi <malek-degachi@laposte.net> |
6 | * |
7 | * Licensed under the GPL v2 or later, see the file LICENSE in this tarball. |
8 | */ |
9 | #include <libbb.h> |
10 | |
11 | static int FAST_FUNC fileAction( |
12 | const char *fileName, |
13 | struct stat *statbuf UNUSED_PARAM, |
14 | void *userData UNUSED_PARAM, |
15 | int depth UNUSED_PARAM) |
16 | { |
17 | parser_t *parser; |
18 | char *tokens[6]; |
19 | char *bus = NULL, *device = NULL; |
20 | int product_vid = 0, product_did = 0; |
21 | |
22 | char *uevent_filename = concat_path_file(fileName, "/uevent"); |
23 | parser = config_open2(uevent_filename, fopen_for_read); |
24 | free(uevent_filename); |
25 | |
26 | while (config_read(parser, tokens, 6, 1, "\\/=", PARSE_NORMAL)) { |
27 | if ((parser->lineno == 1) && strcmp(tokens[0], "DEVTYPE") == 0) { |
28 | break; |
29 | } |
30 | |
31 | if (strcmp(tokens[0], "DEVICE") == 0) { |
32 | bus = xstrdup(tokens[4]); |
33 | device = xstrdup(tokens[5]); |
34 | continue; |
35 | } |
36 | |
37 | if (strcmp(tokens[0], "PRODUCT") == 0) { |
38 | product_vid = xstrtou(tokens[1], 16); |
39 | product_did = xstrtou(tokens[2], 16); |
40 | continue; |
41 | } |
42 | } |
43 | config_close(parser); |
44 | |
45 | if (bus) { |
46 | printf("Bus %s Device %s: ID %04x:%04x\n", bus, device, product_vid, product_did); |
47 | free(bus); |
48 | free(device); |
49 | } |
50 | |
51 | return TRUE; |
52 | } |
53 | |
54 | int lsusb_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
55 | int lsusb_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM) |
56 | { |
57 | /* no options, no getopt */ |
58 | |
59 | recursive_action("/sys/bus/usb/devices", |
60 | ACTION_RECURSE, |
61 | fileAction, |
62 | NULL, /* dirAction */ |
63 | NULL, /* userData */ |
64 | 0 /* depth */); |
65 | |
66 | return EXIT_SUCCESS; |
67 | } |