[3320] | 1 | /* vi: set sw=4 ts=4: */
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| 2 | /*
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| 3 | * lsusb implementation for busybox
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| 4 | *
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| 5 | * Copyright (C) 2009 Malek Degachi <malek-degachi@laposte.net>
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| 6 | *
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| 7 | * Licensed under GPLv2 or later, see file LICENSE in this source tree.
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| 8 | */
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| 9 | #include "libbb.h"
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| 10 |
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| 11 | static int FAST_FUNC fileAction(
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| 12 | const char *fileName,
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| 13 | struct stat *statbuf UNUSED_PARAM,
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| 14 | void *userData UNUSED_PARAM,
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| 15 | int depth UNUSED_PARAM)
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| 16 | {
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| 17 | parser_t *parser;
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| 18 | char *tokens[4];
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| 19 | char *busnum = NULL, *devnum = NULL;
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| 20 | int product_vid = 0, product_did = 0;
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| 21 | char *uevent_filename = concat_path_file(fileName, "/uevent");
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| 22 |
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| 23 | parser = config_open2(uevent_filename, fopen_for_read);
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| 24 | free(uevent_filename);
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| 25 |
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| 26 | while (config_read(parser, tokens, 4, 2, "\\/=", PARSE_NORMAL)) {
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| 27 | if ((parser->lineno == 1) && strcmp(tokens[0], "DEVTYPE") == 0) {
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| 28 | break;
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| 29 | }
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| 30 |
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| 31 | if (strcmp(tokens[0], "PRODUCT") == 0) {
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| 32 | product_vid = xstrtou(tokens[1], 16);
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| 33 | product_did = xstrtou(tokens[2], 16);
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| 34 | continue;
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| 35 | }
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| 36 |
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| 37 | if (strcmp(tokens[0], "BUSNUM") == 0) {
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| 38 | busnum = xstrdup(tokens[1]);
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| 39 | continue;
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| 40 | }
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| 41 |
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| 42 | if (strcmp(tokens[0], "DEVNUM") == 0) {
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| 43 | devnum = xstrdup(tokens[1]);
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| 44 | continue;
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| 45 | }
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| 46 | }
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| 47 | config_close(parser);
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| 48 |
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| 49 | if (busnum) {
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| 50 | printf("Bus %s Device %s: ID %04x:%04x\n", busnum, devnum, product_vid, product_did);
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| 51 | free(busnum);
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| 52 | free(devnum);
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| 53 | }
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| 54 |
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| 55 | return TRUE;
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| 56 | }
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| 57 |
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| 58 | int lsusb_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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| 59 | int lsusb_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
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| 60 | {
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| 61 | /* no options, no getopt */
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| 62 |
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| 63 | recursive_action("/sys/bus/usb/devices",
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| 64 | ACTION_RECURSE,
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| 65 | fileAction,
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| 66 | NULL, /* dirAction */
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| 67 | NULL, /* userData */
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| 68 | 0 /* depth */);
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| 69 |
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| 70 | return EXIT_SUCCESS;
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| 71 | }
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