[2725] | 1 | /* vi: set sw=4 ts=4: */
|
---|
| 2 | /*
|
---|
| 3 | * lsusb implementation for busybox
|
---|
| 4 | *
|
---|
| 5 | * Copyright (C) 2009 Malek Degachi <malek-degachi@laposte.net>
|
---|
| 6 | *
|
---|
| 7 | * Licensed under GPLv2 or later, see file LICENSE in this source tree.
|
---|
| 8 | */
|
---|
[3232] | 9 |
|
---|
| 10 | //usage:#define lsusb_trivial_usage NOUSAGE_STR
|
---|
| 11 | //usage:#define lsusb_full_usage ""
|
---|
| 12 |
|
---|
[2725] | 13 | #include "libbb.h"
|
---|
| 14 |
|
---|
| 15 | static int FAST_FUNC fileAction(
|
---|
| 16 | const char *fileName,
|
---|
| 17 | struct stat *statbuf UNUSED_PARAM,
|
---|
| 18 | void *userData UNUSED_PARAM,
|
---|
| 19 | int depth UNUSED_PARAM)
|
---|
| 20 | {
|
---|
| 21 | parser_t *parser;
|
---|
| 22 | char *tokens[4];
|
---|
| 23 | char *busnum = NULL, *devnum = NULL;
|
---|
| 24 | int product_vid = 0, product_did = 0;
|
---|
| 25 | char *uevent_filename = concat_path_file(fileName, "/uevent");
|
---|
| 26 |
|
---|
| 27 | parser = config_open2(uevent_filename, fopen_for_read);
|
---|
| 28 | free(uevent_filename);
|
---|
| 29 |
|
---|
| 30 | while (config_read(parser, tokens, 4, 2, "\\/=", PARSE_NORMAL)) {
|
---|
| 31 | if ((parser->lineno == 1) && strcmp(tokens[0], "DEVTYPE") == 0) {
|
---|
| 32 | break;
|
---|
| 33 | }
|
---|
| 34 |
|
---|
| 35 | if (strcmp(tokens[0], "PRODUCT") == 0) {
|
---|
| 36 | product_vid = xstrtou(tokens[1], 16);
|
---|
| 37 | product_did = xstrtou(tokens[2], 16);
|
---|
| 38 | continue;
|
---|
| 39 | }
|
---|
| 40 |
|
---|
| 41 | if (strcmp(tokens[0], "BUSNUM") == 0) {
|
---|
| 42 | busnum = xstrdup(tokens[1]);
|
---|
| 43 | continue;
|
---|
| 44 | }
|
---|
| 45 |
|
---|
| 46 | if (strcmp(tokens[0], "DEVNUM") == 0) {
|
---|
| 47 | devnum = xstrdup(tokens[1]);
|
---|
| 48 | continue;
|
---|
| 49 | }
|
---|
| 50 | }
|
---|
| 51 | config_close(parser);
|
---|
| 52 |
|
---|
| 53 | if (busnum) {
|
---|
| 54 | printf("Bus %s Device %s: ID %04x:%04x\n", busnum, devnum, product_vid, product_did);
|
---|
| 55 | free(busnum);
|
---|
| 56 | free(devnum);
|
---|
| 57 | }
|
---|
| 58 |
|
---|
| 59 | return TRUE;
|
---|
| 60 | }
|
---|
| 61 |
|
---|
| 62 | int lsusb_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
|
---|
| 63 | int lsusb_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
|
---|
| 64 | {
|
---|
| 65 | /* no options, no getopt */
|
---|
| 66 |
|
---|
| 67 | recursive_action("/sys/bus/usb/devices",
|
---|
| 68 | ACTION_RECURSE,
|
---|
| 69 | fileAction,
|
---|
| 70 | NULL, /* dirAction */
|
---|
| 71 | NULL, /* userData */
|
---|
| 72 | 0 /* depth */);
|
---|
| 73 |
|
---|
| 74 | return EXIT_SUCCESS;
|
---|
| 75 | }
|
---|