Initial Commit - Copy from Altus Metrum AltOS
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255
libaltos/libaltos_darwin.c
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255
libaltos/libaltos_darwin.c
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/*
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* Copyright © 2016 Keith Packard <keithp@keithp.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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*/
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#include "libaltos_private.h"
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#include "libaltos_posix.h"
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#include <IOKitLib.h>
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#include <IOKit/usb/USBspec.h>
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#include <IOKit/serial/IOSerialKeys.h>
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#include <usb/IOUSBLib.h>
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#include <usb/USBSpec.h>
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#include <sys/param.h>
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#include <paths.h>
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#include <CFNumber.h>
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#include <IOBSD.h>
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/* Mac OS X don't have strndup even if _GNU_SOURCE is defined */
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char *
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altos_strndup (const char *s, size_t n)
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{
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size_t len = strlen (s);
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char *ret;
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if (len <= n)
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return strdup (s);
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ret = malloc(n + 1);
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strncpy(ret, s, n);
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ret[n] = '\0';
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return ret;
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}
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struct altos_list {
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io_iterator_t iterator;
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int ftdi;
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};
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static char *
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get_cfstring(CFTypeRef string, char result[512])
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{
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Boolean got_string;
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got_string = CFStringGetCString(string, result, 512, kCFStringEncodingASCII);
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if (!got_string)
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strcpy(result, "CFStringGetCString failed");
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return result;
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}
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static int
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get_string(io_object_t object, CFStringRef entry, char *result, int result_len)
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{
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CFTypeRef entry_as_string;
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Boolean got_string;
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char entry_string[512];
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entry_as_string = IORegistryEntrySearchCFProperty (object,
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kIOServicePlane,
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entry,
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kCFAllocatorDefault,
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kIORegistryIterateRecursively);
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if (entry_as_string) {
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got_string = CFStringGetCString(entry_as_string,
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result, result_len,
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kCFStringEncodingASCII);
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CFRelease(entry_as_string);
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if (got_string) {
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return 1;
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}
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}
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return 0;
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}
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static int
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get_number(io_object_t object, CFStringRef entry, int *result)
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{
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CFTypeRef entry_as_number;
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Boolean got_number;
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char entry_string[512];
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entry_as_number = IORegistryEntrySearchCFProperty (object,
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kIOServicePlane,
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entry,
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kCFAllocatorDefault,
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kIORegistryIterateRecursively);
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if (entry_as_number) {
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got_number = CFNumberGetValue(entry_as_number,
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kCFNumberIntType,
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result);
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if (got_number) {
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return 1;
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}
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}
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return 0;
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}
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PUBLIC struct altos_list *
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altos_list_start(void)
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{
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struct altos_list *list = calloc (sizeof (struct altos_list), 1);
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CFMutableDictionaryRef matching_dictionary;
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io_iterator_t tdIterator;
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io_object_t tdObject;
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kern_return_t ret;
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int i;
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matching_dictionary = IOServiceMatching(kIOSerialBSDServiceValue);
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if (matching_dictionary) {
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CFDictionarySetValue(matching_dictionary,
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CFSTR(kIOSerialBSDTypeKey),
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CFSTR(kIOSerialBSDAllTypes));
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}
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ret = IOServiceGetMatchingServices(kIOMasterPortDefault, matching_dictionary, &list->iterator);
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if (ret != kIOReturnSuccess) {
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free(list);
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return NULL;
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}
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list->ftdi = 0;
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return list;
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}
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PUBLIC struct altos_list *
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altos_ftdi_list_start(void)
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{
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struct altos_list *list = altos_list_start();
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if (list)
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list->ftdi = 1;
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return list;
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}
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static io_service_t get_usb_object(io_object_t serial_device)
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{
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io_iterator_t iterator;
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io_service_t usb_device;
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io_service_t service;
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IOReturn status;
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status = IORegistryEntryCreateIterator(serial_device,
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kIOServicePlane,
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kIORegistryIterateParents | kIORegistryIterateRecursively,
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&iterator);
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if (status != kIOReturnSuccess)
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return 0;
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while((service = IOIteratorNext(iterator))) {
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io_name_t servicename;
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status = IORegistryEntryGetNameInPlane(service, kIOServicePlane, servicename);
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if (status == kIOReturnSuccess && IOObjectConformsTo(service, kIOUSBDeviceClassName)) {
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IOObjectRelease(iterator);
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return service;
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}
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IOObjectRelease(service);
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}
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IOObjectRelease(iterator);
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return 0;
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}
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PUBLIC int
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altos_list_next(struct altos_list *list, struct altos_device *device)
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{
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io_object_t object;
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io_service_t usb_device;
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char serial_string[128];
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for (;;) {
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object = IOIteratorNext(list->iterator);
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if (!object) {
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return 0;
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}
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usb_device = get_usb_object(object);
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if (get_number (usb_device, CFSTR(kUSBVendorID), &device->vendor) &&
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get_number (usb_device, CFSTR(kUSBProductID), &device->product) &&
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get_string (object, CFSTR(kIOCalloutDeviceKey), device->path, sizeof (device->path)) &&
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(get_string (usb_device, CFSTR("kUSBProductString"), device->name, sizeof (device->name)) ||
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get_string (usb_device, CFSTR(kUSBProductString), device->name, sizeof (device->name))) &&
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get_string (usb_device, CFSTR(kUSBSerialNumberString), serial_string, sizeof (serial_string))) {
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device->serial = atoi(serial_string);
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IOObjectRelease(object);
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IOObjectRelease(usb_device);
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return 1;
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}
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IOObjectRelease(object);
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IOObjectRelease(usb_device);
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}
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}
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PUBLIC void
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altos_list_finish(struct altos_list *list)
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{
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IOObjectRelease (list->iterator);
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free(list);
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}
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struct altos_bt_list {
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int sock;
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int dev_id;
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int rsp;
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int num_rsp;
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};
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#define INQUIRY_MAX_RSP 255
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struct altos_bt_list *
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altos_bt_list_start(int inquiry_time)
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{
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return NULL;
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}
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int
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altos_bt_list_next(struct altos_bt_list *bt_list,
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struct altos_bt_device *device)
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{
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return 0;
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}
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void
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altos_bt_list_finish(struct altos_bt_list *bt_list)
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{
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}
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void
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altos_bt_fill_in(char *name, char *addr, struct altos_bt_device *device)
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{
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strncpy(device->name, name, sizeof (device->name));
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device->name[sizeof(device->name)-1] = '\0';
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strncpy(device->addr, addr, sizeof (device->addr));
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device->addr[sizeof(device->addr)-1] = '\0';
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}
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struct altos_file *
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altos_bt_open(struct altos_bt_device *device)
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{
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return NULL;
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}
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