Vendor go-serial.
This commit is contained in:
Hendrik van Wyk
229
vendor/github.com/mikepb/go-serial/macosx.c
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vendored
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229
vendor/github.com/mikepb/go-serial/macosx.c
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/*
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* This file is part of the libserialport project.
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*
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* Copyright (C) 2013-2014 Martin Ling <martin-libserialport@earth.li>
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* Copyright (C) 2014 Aurelien Jacobs <aurel@gnuage.org>
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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 Lesser General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (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,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef __APPLE__
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#include "libserialport.h"
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#include "libserialport_internal.h"
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SP_PRIV enum sp_return get_port_details(struct sp_port *port)
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{
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/* Description limited to 127 char,
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anything longer would not be user friendly anyway */
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char description[128];
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int bus, address, vid, pid = -1;
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char manufacturer[128], product[128], serial[128];
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CFMutableDictionaryRef classes;
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io_iterator_t iter;
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io_object_t ioport, ioparent;
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CFTypeRef cf_property, cf_bus, cf_address, cf_vendor, cf_product;
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Boolean result;
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char path[PATH_MAX], class[16];
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DEBUG("Getting serial port list");
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if (!(classes = IOServiceMatching(kIOSerialBSDServiceValue)))
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RETURN_FAIL("IOServiceMatching() failed");
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if (IOServiceGetMatchingServices(kIOMasterPortDefault, classes,
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&iter) != KERN_SUCCESS)
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RETURN_FAIL("IOServiceGetMatchingServices() failed");
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DEBUG("Iterating over results");
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while ((ioport = IOIteratorNext(iter))) {
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if (!(cf_property = IORegistryEntryCreateCFProperty(ioport,
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CFSTR(kIOCalloutDeviceKey), kCFAllocatorDefault, 0))) {
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IOObjectRelease(ioport);
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continue;
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}
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result = CFStringGetCString(cf_property, path, sizeof(path),
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kCFStringEncodingASCII);
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CFRelease(cf_property);
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if (!result || strcmp(path, port->name)) {
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IOObjectRelease(ioport);
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continue;
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}
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DEBUG_FMT("Found port %s", path);
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IORegistryEntryGetParentEntry(ioport, kIOServicePlane, &ioparent);
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if ((cf_property=IORegistryEntrySearchCFProperty(ioparent,kIOServicePlane,
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CFSTR("IOProviderClass"), kCFAllocatorDefault,
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kIORegistryIterateRecursively | kIORegistryIterateParents))) {
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if (CFStringGetCString(cf_property, class, sizeof(class),
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kCFStringEncodingASCII) &&
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strstr(class, "USB")) {
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DEBUG("Found USB class device");
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port->transport = SP_TRANSPORT_USB;
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}
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CFRelease(cf_property);
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}
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IOObjectRelease(ioparent);
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if ((cf_property = IORegistryEntrySearchCFProperty(ioport,kIOServicePlane,
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CFSTR("USB Interface Name"), kCFAllocatorDefault,
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kIORegistryIterateRecursively | kIORegistryIterateParents)) ||
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(cf_property = IORegistryEntrySearchCFProperty(ioport,kIOServicePlane,
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CFSTR("USB Product Name"), kCFAllocatorDefault,
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kIORegistryIterateRecursively | kIORegistryIterateParents)) ||
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(cf_property = IORegistryEntrySearchCFProperty(ioport,kIOServicePlane,
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CFSTR("Product Name"), kCFAllocatorDefault,
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kIORegistryIterateRecursively | kIORegistryIterateParents)) ||
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(cf_property = IORegistryEntryCreateCFProperty(ioport,
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CFSTR(kIOTTYDeviceKey), kCFAllocatorDefault, 0))) {
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if (CFStringGetCString(cf_property, description, sizeof(description),
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kCFStringEncodingASCII)) {
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DEBUG_FMT("Found description %s", description);
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port->description = strdup(description);
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}
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CFRelease(cf_property);
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} else {
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DEBUG("No description for this device");
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}
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cf_bus = IORegistryEntrySearchCFProperty(ioport, kIOServicePlane,
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CFSTR("USBBusNumber"),
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kCFAllocatorDefault,
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kIORegistryIterateRecursively
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| kIORegistryIterateParents);
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cf_address = IORegistryEntrySearchCFProperty(ioport, kIOServicePlane,
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CFSTR("USB Address"),
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kCFAllocatorDefault,
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kIORegistryIterateRecursively
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| kIORegistryIterateParents);
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if (cf_bus && cf_address &&
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CFNumberGetValue(cf_bus , kCFNumberIntType, &bus) &&
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CFNumberGetValue(cf_address, kCFNumberIntType, &address)) {
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DEBUG_FMT("Found matching USB bus:address %03d:%03d", bus, address);
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port->usb_bus = bus;
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port->usb_address = address;
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}
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if (cf_bus ) CFRelease(cf_bus);
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if (cf_address) CFRelease(cf_address);
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cf_vendor = IORegistryEntrySearchCFProperty(ioport, kIOServicePlane,
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CFSTR("idVendor"),
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kCFAllocatorDefault,
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kIORegistryIterateRecursively
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| kIORegistryIterateParents);
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cf_product = IORegistryEntrySearchCFProperty(ioport, kIOServicePlane,
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CFSTR("idProduct"),
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kCFAllocatorDefault,
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kIORegistryIterateRecursively
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| kIORegistryIterateParents);
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if (cf_vendor && cf_product &&
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CFNumberGetValue(cf_vendor , kCFNumberIntType, &vid) &&
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CFNumberGetValue(cf_product, kCFNumberIntType, &pid)) {
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DEBUG_FMT("Found matching USB vid:pid %04X:%04X", vid, pid);
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port->usb_vid = vid;
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port->usb_pid = pid;
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}
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if (cf_vendor ) CFRelease(cf_vendor);
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if (cf_product) CFRelease(cf_product);
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if ((cf_property = IORegistryEntrySearchCFProperty(ioport,kIOServicePlane,
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CFSTR("USB Vendor Name"), kCFAllocatorDefault,
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kIORegistryIterateRecursively | kIORegistryIterateParents))) {
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if (CFStringGetCString(cf_property, manufacturer, sizeof(manufacturer),
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kCFStringEncodingASCII)) {
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DEBUG_FMT("Found manufacturer %s", manufacturer);
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port->usb_manufacturer = strdup(manufacturer);
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}
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CFRelease(cf_property);
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}
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if ((cf_property = IORegistryEntrySearchCFProperty(ioport,kIOServicePlane,
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CFSTR("USB Product Name"), kCFAllocatorDefault,
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kIORegistryIterateRecursively | kIORegistryIterateParents))) {
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if (CFStringGetCString(cf_property, product, sizeof(product),
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kCFStringEncodingASCII)) {
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DEBUG_FMT("Found product name %s", product);
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port->usb_product = strdup(product);
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}
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CFRelease(cf_property);
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}
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if ((cf_property = IORegistryEntrySearchCFProperty(ioport,kIOServicePlane,
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CFSTR("USB Serial Number"), kCFAllocatorDefault,
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kIORegistryIterateRecursively | kIORegistryIterateParents))) {
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if (CFStringGetCString(cf_property, serial, sizeof(serial),
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kCFStringEncodingASCII)) {
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DEBUG_FMT("Found serial number %s", serial);
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port->usb_serial = strdup(serial);
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}
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CFRelease(cf_property);
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}
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IOObjectRelease(ioport);
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break;
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}
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IOObjectRelease(iter);
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RETURN_OK();
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}
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SP_PRIV enum sp_return list_ports(struct sp_port ***list)
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{
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CFMutableDictionaryRef classes;
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io_iterator_t iter;
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char path[PATH_MAX];
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io_object_t port;
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CFTypeRef cf_path;
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Boolean result;
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int ret = SP_OK;
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DEBUG("Creating matching dictionary");
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if (!(classes = IOServiceMatching(kIOSerialBSDServiceValue))) {
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SET_FAIL(ret, "IOServiceMatching() failed");
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goto out_done;
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}
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DEBUG("Getting matching services");
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if (IOServiceGetMatchingServices(kIOMasterPortDefault, classes,
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&iter) != KERN_SUCCESS) {
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SET_FAIL(ret, "IOServiceGetMatchingServices() failed");
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goto out_done;
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}
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DEBUG("Iterating over results");
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while ((port = IOIteratorNext(iter))) {
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cf_path = IORegistryEntryCreateCFProperty(port,
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CFSTR(kIOCalloutDeviceKey), kCFAllocatorDefault, 0);
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if (cf_path) {
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result = CFStringGetCString(cf_path, path, sizeof(path),
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kCFStringEncodingASCII);
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CFRelease(cf_path);
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if (result) {
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DEBUG_FMT("Found port %s", path);
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if (!(*list = list_append(*list, path))) {
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SET_ERROR(ret, SP_ERR_MEM, "list append failed");
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IOObjectRelease(port);
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goto out;
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}
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}
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}
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IOObjectRelease(port);
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}
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out:
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IOObjectRelease(iter);
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out_done:
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return ret;
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}
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#endif
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