diff options
Diffstat (limited to 'util-linux')
| -rw-r--r-- | util-linux/Config.in | 9 | ||||
| -rw-r--r-- | util-linux/Kbuild | 1 | ||||
| -rw-r--r-- | util-linux/lsusb.c | 67 |
3 files changed, 77 insertions, 0 deletions
diff --git a/util-linux/Config.in b/util-linux/Config.in index 94337df8e..f04511bb1 100644 --- a/util-linux/Config.in +++ b/util-linux/Config.in @@ -357,6 +357,15 @@ config LSPCI This version uses sysfs (/sys/bus/pci/devices) only. +config LSUSB + bool "lsusb" + default n + help + lsusb is a utility for displaying information about USB buses in the + system and devices connected to them. + + This version uses sysfs (/sys/bus/usb/devices) only. + config MDEV bool "mdev" default n diff --git a/util-linux/Kbuild b/util-linux/Kbuild index 3004fd0a0..72a2ef1cd 100644 --- a/util-linux/Kbuild +++ b/util-linux/Kbuild @@ -22,6 +22,7 @@ lib-$(CONFIG_IPCRM) += ipcrm.o lib-$(CONFIG_IPCS) += ipcs.o lib-$(CONFIG_LOSETUP) += losetup.o lib-$(CONFIG_LSPCI) += lspci.o +lib-$(CONFIG_LSUSB) += lsusb.o lib-$(CONFIG_MDEV) += mdev.o lib-$(CONFIG_MKFS_EXT2) += mkfs_ext2.o lib-$(CONFIG_MKFS_MINIX) += mkfs_minix.o diff --git a/util-linux/lsusb.c b/util-linux/lsusb.c new file mode 100644 index 000000000..7c5b6b947 --- /dev/null +++ b/util-linux/lsusb.c @@ -0,0 +1,67 @@ +/* vi: set sw=4 ts=4: */ +/* +* lspci implementation for busybox +* +* Copyright (C) 2009 Malek Degachi <malek-degachi@laposte.net> +* +* Licensed under the GPL v2 or later, see the file LICENSE in this tarball. +*/ +#include <libbb.h> + +static int FAST_FUNC fileAction( + const char *fileName, + struct stat *statbuf UNUSED_PARAM, + void *userData UNUSED_PARAM, + int depth UNUSED_PARAM) +{ + parser_t *parser; + char *tokens[6]; + char *bus = NULL, *device = NULL; + int product_vid = 0, product_did = 0; + + char *uevent_filename = concat_path_file(fileName, "/uevent"); + parser = config_open2(uevent_filename, fopen_for_read); + free(uevent_filename); + + while (config_read(parser, tokens, 6, 1, "\\/=", PARSE_NORMAL)) { + if ((parser->lineno == 1) && strcmp(tokens[0], "DEVTYPE") == 0) { + break; + } + + if (strcmp(tokens[0], "DEVICE") == 0) { + bus = xstrdup(tokens[4]); + device = xstrdup(tokens[5]); + continue; + } + + if (strcmp(tokens[0], "PRODUCT") == 0) { + product_vid = xstrtou(tokens[1], 16); + product_did = xstrtou(tokens[2], 16); + continue; + } + } + config_close(parser); + + if (bus) { + printf("Bus %s Device %s: ID %04x:%04x\n", bus, device, product_vid, product_did); + free(bus); + free(device); + } + + return TRUE; +} + +int lsusb_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; +int lsusb_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM) +{ + /* no options, no getopt */ + + recursive_action("/sys/bus/usb/devices", + ACTION_RECURSE, + fileAction, + NULL, /* dirAction */ + NULL, /* userData */ + 0 /* depth */); + + return EXIT_SUCCESS; +} |