devel/android-tools-fastboot-devel: move FreeBSD code to C++

Copy files in order to fix the following errors.

  files/usb_freebsd.cpp:132:4: error: assigning to 'usb_handle *' from incompatible type 'void *'
          h = malloc(sizeof(*h));
            ^ ~~~~~~~~~~~~~~~~~~
  files/usb_freebsd.cpp:162:6: error: no matching function for call to 'libusb_bulk_transfer'
          if (libusb_bulk_transfer(h->handle, h->ep_out, (void *)(long)_data, len, &actlen, 0) < 0)
              ^~~~~~~~~~~~~~~~~~~~
  /usr/include/libusb.h:478:5: note: candidate function not viable: cannot convert argument of incomplete type 'void *' to 'uint8_t *' (aka 'unsigned char *')
  int     libusb_bulk_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout);
          ^
  files/usb_freebsd.cpp:172:6: error: no matching function for call to 'libusb_bulk_transfer'
          if (libusb_bulk_transfer(h->handle, h->ep_in, _data, len, &actlen, 0) < 0)
              ^~~~~~~~~~~~~~~~~~~~
  /usr/include/libusb.h:478:5: note: candidate function not viable: cannot convert argument of incomplete type 'void *' to 'uint8_t *' (aka 'unsigned char *')
  int     libusb_bulk_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout);
          ^
  3 errors generated.

  fastboot.o: In function `find_item(char const*, char const*)':
  fastboot.cpp:(.text+0xea): undefined reference to `get_my_path'

1 files changed, 200 insertions, 0 deletions

diff --git a/devel/android-tools-fastboot-devel/files/usb_freebsd.cpp b/devel/android-tools-fastboot-devel/files/usb_freebsd.cpp
new file mode 100644
index 000000000000..e85fb297b74f
--- /dev/null
+++ b/devel/android-tools-fastboot-devel/files/usb_freebsd.cpp
@@ -0,0 +1,200 @@
+/*
+ * Copyright (C) 2011 Hans Petter Selasky. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <libusb.h>
+
+#include "usb.h"
+
+struct usb_handle {
+	libusb_device_handle *handle;
+	libusb_device *dev;
+	unsigned char ep_in;
+	unsigned char ep_out;
+	unsigned char iface;
+};
+
+static int 
+probe(usb_handle *h, ifc_match_func callback)
+{
+	usb_ifc_info info;
+	libusb_device_descriptor ddesc;
+	libusb_config_descriptor *pcfg;
+	int i, j;
+
+	if (libusb_open(h->dev, &h->handle) < 0)
+		return (-1);
+
+	if (libusb_get_device_descriptor(h->dev, &ddesc) < 0) {
+		libusb_close(h->handle);
+		return (-1);
+	}
+	memset(&info, 0, sizeof(info));
+
+	info.dev_vendor = ddesc.idVendor;
+	info.dev_product = ddesc.idProduct;
+	info.dev_class = ddesc.bDeviceClass;
+	info.dev_subclass = ddesc.bDeviceSubClass;
+	info.dev_protocol = ddesc.bDeviceProtocol;
+	info.writable = 1;
+
+	snprintf(info.device_path, sizeof(info.device_path), "ugen%d.%d",
+		 libusb_get_bus_number(h->dev), libusb_get_device_address(h->dev));
+
+	if (ddesc.iSerialNumber != 0) {
+		libusb_get_string_descriptor_ascii(h->handle, ddesc.iSerialNumber,
+		    (unsigned char *)info.serial_number, sizeof(info.serial_number));
+	}
+	if (libusb_get_active_config_descriptor(h->dev, &pcfg)) {
+		libusb_close(h->handle);
+		return (-1);
+	}
+
+	for (i = 0; i < pcfg->bNumInterfaces; i++) {
+
+		h->ep_in = 0;
+		h->ep_out = 0;
+		h->iface = i;
+
+		for (j = 0; j < pcfg->interface[i].altsetting[0].bNumEndpoints; j++) {
+
+			unsigned char temp = pcfg->interface[i].altsetting[0].
+			endpoint[j].bEndpointAddress;
+			unsigned char type = pcfg->interface[i].altsetting[0].
+			endpoint[j].bmAttributes & 0x03;
+
+			/* check for BULK endpoint */
+			if ((type & 0x03) == 0x02) {
+				/* check for IN endpoint */
+				if (temp & 0x80)
+					h->ep_in = temp;
+				else
+					h->ep_out = temp;
+			}
+		}
+
+		info.ifc_class = pcfg->interface[i].altsetting[0].bInterfaceClass;
+		info.ifc_subclass = pcfg->interface[i].altsetting[0].bInterfaceSubClass;
+		info.ifc_protocol = pcfg->interface[i].altsetting[0].bInterfaceProtocol;
+		info.has_bulk_in = (h->ep_in != 0);
+		info.has_bulk_out = (h->ep_out != 0);
+
+		if (libusb_claim_interface(h->handle, h->iface) < 0)
+			continue;
+
+		if (callback(&info) == 0) {
+			libusb_free_config_descriptor(pcfg);
+			return (0);
+		}
+		libusb_release_interface(h->handle, h->iface);
+	}
+
+	libusb_free_config_descriptor(pcfg);
+	libusb_close(h->handle);
+	return (-1);
+}
+
+static usb_handle *
+enumerate(ifc_match_func callback)
+{
+	static libusb_context *ctx = NULL;
+	usb_handle *h;
+	libusb_device **ppdev;
+	ssize_t ndev;
+	ssize_t x;
+
+	h = reinterpret_cast<usb_handle*>(malloc(sizeof(*h)));
+	if (h == NULL)
+		return (h);
+
+	if (ctx == NULL)
+		libusb_init(&ctx);
+
+	ndev = libusb_get_device_list(ctx, &ppdev);
+	for (x = 0; x < ndev; x++) {
+
+		memset(h, 0, sizeof(*h));
+
+		h->dev = ppdev[x];
+
+		if (probe(h, callback) == 0) {
+			libusb_ref_device(h->dev);
+			libusb_free_device_list(ppdev, 1);
+			return (h);
+		}
+	}
+	free(h);
+	libusb_free_device_list(ppdev, 1);
+	return (NULL);
+}
+
+int 
+usb_write(usb_handle * h, const void *_data, int len)
+{
+	int actlen;
+
+	if (libusb_bulk_transfer(h->handle, h->ep_out,
+				 (unsigned char *)_data, len, &actlen, 0) < 0)
+		return (-1);
+	return (actlen);
+}
+
+int 
+usb_read(usb_handle * h, void *_data, int len)
+{
+	int actlen;
+
+	if (libusb_bulk_transfer(h->handle, h->ep_in,
+				 (unsigned char *)_data, len, &actlen, 0) < 0)
+		return (-1);
+	return (actlen);
+}
+
+int 
+usb_close(usb_handle * h)
+{
+	libusb_close(h->handle);
+	h->handle = NULL;
+	libusb_unref_device(h->dev);
+	free(h);
+	return (0);
+}
+
+usb_handle *
+usb_open(ifc_match_func callback)
+{
+	return (enumerate(callback));
+}
+
+int
+usb_wait_for_disconnect(usb_handle * h)
+{
+	/* TODO: Punt for now */
+	return 0;
+}