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authorPali Rohár <pali.rohar@gmail.com>2012-11-25 20:49:10 +0100
committerPali Rohár <pali.rohar@gmail.com>2012-11-25 20:49:10 +0100
commitcffeb329c4fa3863af83a2ea1dbf53ba01627059 (patch)
tree6ff0a5ba8d98d78f0e7ccb0a0ad2697c9c071d8c /libusb/usb.c
parent4f6eb6e936a80432270c3e11c43fe0894aed87e9 (diff)
download0xFFFF-cffeb329c4fa3863af83a2ea1dbf53ba01627059.tar.bz2
Remove libusb from tree
Diffstat (limited to 'libusb/usb.c')
-rw-r--r--libusb/usb.c307
1 files changed, 0 insertions, 307 deletions
diff --git a/libusb/usb.c b/libusb/usb.c
deleted file mode 100644
index 9b8773e..0000000
--- a/libusb/usb.c
+++ /dev/null
@@ -1,307 +0,0 @@
-/*
- * Main API entry point
- *
- * Copyright (c) 2000-2003 Johannes Erdfelt <johannes@erdfelt.com>
- *
- * This library is covered by the LGPL, read LICENSE for details.
- */
-
-#include <stdlib.h> /* getenv */
-#include <stdio.h> /* stderr */
-#include <string.h> /* strcmp */
-#include <errno.h>
-
-#include "usbi.h"
-
-int usb_debug = 0;
-struct usb_bus *usb_busses = NULL;
-
-int usb_find_busses(void)
-{
- struct usb_bus *busses, *bus;
- int ret, changes = 0;
-
- ret = usb_os_find_busses(&busses);
- if (ret < 0)
- return ret;
-
- /*
- * Now walk through all of the busses we know about and compare against
- * this new list. Any duplicates will be removed from the new list.
- * If we don't find it in the new list, the bus was removed. Any
- * busses still in the new list, are new to us.
- */
- bus = usb_busses;
- while (bus) {
- int found = 0;
- struct usb_bus *nbus, *tbus = bus->next;
-
- nbus = busses;
- while (nbus) {
- struct usb_bus *tnbus = nbus->next;
-
- if (!strcmp(bus->dirname, nbus->dirname)) {
- /* Remove it from the new busses list */
- LIST_DEL(busses, nbus);
-
- usb_free_bus(nbus);
- found = 1;
- break;
- }
-
- nbus = tnbus;
- }
-
- if (!found) {
- /* The bus was removed from the system */
- LIST_DEL(usb_busses, bus);
- usb_free_bus(bus);
- changes++;
- }
-
- bus = tbus;
- }
-
- /*
- * Anything on the *busses list is new. So add them to usb_busses and
- * process them like the new bus it is.
- */
- bus = busses;
- while (bus) {
- struct usb_bus *tbus = bus->next;
-
- /*
- * Remove it from the temporary list first and add it to the real
- * usb_busses list.
- */
- LIST_DEL(busses, bus);
-
- LIST_ADD(usb_busses, bus);
-
- changes++;
-
- bus = tbus;
- }
-
- return changes;
-}
-
-int usb_find_devices(void)
-{
- struct usb_bus *bus;
- int ret, changes = 0;
-
- for (bus = usb_busses; bus; bus = bus->next) {
- struct usb_device *devices, *dev;
-
- /* Find all of the devices and put them into a temporary list */
- ret = usb_os_find_devices(bus, &devices);
- if (ret < 0)
- return ret;
-
- /*
- * Now walk through all of the devices we know about and compare
- * against this new list. Any duplicates will be removed from the new
- * list. If we don't find it in the new list, the device was removed.
- * Any devices still in the new list, are new to us.
- */
- dev = bus->devices;
- while (dev) {
- int found = 0;
- struct usb_device *ndev, *tdev = dev->next;
-
- ndev = devices;
- while (ndev) {
- struct usb_device *tndev = ndev->next;
-
- if (!strcmp(dev->filename, ndev->filename)) {
- /* Remove it from the new devices list */
- LIST_DEL(devices, ndev);
-
- usb_free_dev(ndev);
- found = 1;
- break;
- }
-
- ndev = tndev;
- }
-
- if (!found) {
- /* The device was removed from the system */
- LIST_DEL(bus->devices, dev);
- usb_free_dev(dev);
- changes++;
- }
-
- dev = tdev;
- }
-
- /*
- * Anything on the *devices list is new. So add them to bus->devices and
- * process them like the new device it is.
- */
- dev = devices;
- while (dev) {
- struct usb_device *tdev = dev->next;
-
- /*
- * Remove it from the temporary list first and add it to the real
- * bus->devices list.
- */
- LIST_DEL(devices, dev);
-
- LIST_ADD(bus->devices, dev);
-
- /*
- * Some ports fetch the descriptors on scanning (like Linux) so we don't
- * need to fetch them again.
- */
- if (!dev->config) {
- usb_dev_handle *udev;
-
- udev = usb_open(dev);
- if (udev) {
- usb_fetch_and_parse_descriptors(udev);
-
- usb_close(udev);
- }
- }
-
- changes++;
-
- dev = tdev;
- }
-
- usb_os_determine_children(bus);
- }
-
- return changes;
-}
-
-void usb_set_debug(int level)
-{
- if (usb_debug || level)
- fprintf(stderr, "usb_set_debug: Setting debugging level to %d (%s)\n",
- level, level ? "on" : "off");
-
- usb_debug = level;
-}
-
-void usb_init(void)
-{
- if (getenv("USB_DEBUG"))
- usb_set_debug(atoi(getenv("USB_DEBUG")));
-
- usb_os_init();
-}
-
-usb_dev_handle *usb_open(struct usb_device *dev)
-{
- usb_dev_handle *udev;
-
- udev = malloc(sizeof(*udev));
- if (!udev)
- return NULL;
-
- udev->fd = -1;
- udev->device = dev;
- udev->bus = dev->bus;
- udev->config = udev->interface = udev->altsetting = -1;
-
- if (usb_os_open(udev) < 0) {
- free(udev);
- return NULL;
- }
-
- return udev;
-}
-
-int usb_get_string(usb_dev_handle *dev, int index, int langid, char *buf,
- size_t buflen)
-{
- /*
- * We can't use usb_get_descriptor() because it's lacking the index
- * parameter. This will be fixed in libusb 1.0
- */
- return usb_control_msg(dev, USB_ENDPOINT_IN, USB_REQ_GET_DESCRIPTOR,
- (USB_DT_STRING << 8) + index, langid, buf, buflen, 1000);
-}
-
-int usb_get_string_simple(usb_dev_handle *dev, int index, char *buf, size_t buflen)
-{
- char tbuf[255]; /* Some devices choke on size > 255 */
- int ret, langid, si, di;
-
- /*
- * Asking for the zero'th index is special - it returns a string
- * descriptor that contains all the language IDs supported by the
- * device. Typically there aren't many - often only one. The
- * language IDs are 16 bit numbers, and they start at the third byte
- * in the descriptor. See USB 2.0 specification, section 9.6.7, for
- * more information on this. */
- ret = usb_get_string(dev, 0, 0, tbuf, sizeof(tbuf));
- if (ret < 0)
- return ret;
-
- if (ret < 4)
- return -EIO;
-
- langid = tbuf[2] | (tbuf[3] << 8);
-
- ret = usb_get_string(dev, index, langid, tbuf, sizeof(tbuf));
- if (ret < 0)
- return ret;
-
- if (tbuf[1] != USB_DT_STRING)
- return -EIO;
-
- if (tbuf[0] > ret)
- return -EFBIG;
-
- for (di = 0, si = 2; si < tbuf[0]; si += 2) {
- if (di >= (buflen - 1))
- break;
-
- if (tbuf[si + 1]) /* high byte */
- buf[di++] = '?';
- else
- buf[di++] = tbuf[si];
- }
-
- buf[di] = 0;
-
- return di;
-}
-
-int usb_close(usb_dev_handle *dev)
-{
- int ret;
-
- ret = usb_os_close(dev);
- free(dev);
-
- return ret;
-}
-
-struct usb_device *usb_device(usb_dev_handle *dev)
-{
- return dev->device;
-}
-
-void usb_free_dev(struct usb_device *dev)
-{
- usb_destroy_configuration(dev);
- free(dev->children);
- free(dev);
-}
-
-struct usb_bus *usb_get_busses(void)
-{
- return usb_busses;
-}
-
-void usb_free_bus(struct usb_bus *bus)
-{
- free(bus);
-}
-