1 /* 2 * dev.c 3 */ 4 5 /*- 6 * Copyright (c) 2009 Maksim Yevmenkin <m_evmenkin@yahoo.com> 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * $FreeBSD$ 31 */ 32 33 #include <bluetooth.h> 34 #include <stdio.h> 35 #include <string.h> 36 37 struct bt_devaddr_match_arg 38 { 39 char devname[HCI_DEVNAME_SIZE]; 40 bdaddr_t const *bdaddr; 41 }; 42 43 static bt_devenum_cb_t bt_devaddr_match; 44 45 int 46 bt_devaddr(char const *devname, bdaddr_t *addr) 47 { 48 struct bt_devinfo di; 49 50 strlcpy(di.devname, devname, sizeof(di.devname)); 51 52 if (bt_devinfo(&di) < 0) 53 return (0); 54 55 if (addr != NULL) 56 bdaddr_copy(addr, &di.bdaddr); 57 58 return (1); 59 } 60 61 int 62 bt_devname(char *devname, bdaddr_t const *addr) 63 { 64 struct bt_devaddr_match_arg arg; 65 66 memset(&arg, 0, sizeof(arg)); 67 arg.bdaddr = addr; 68 69 if (bt_devenum(&bt_devaddr_match, &arg) < 0) 70 return (0); 71 72 if (arg.devname[0] == '\0') { 73 errno = ENXIO; 74 return (0); 75 } 76 77 if (devname != NULL) 78 strlcpy(devname, arg.devname, HCI_DEVNAME_SIZE); 79 80 return (1); 81 } 82 83 static int 84 bt_devaddr_match(int s, struct bt_devinfo const *di, void *arg) 85 { 86 struct bt_devaddr_match_arg *m = (struct bt_devaddr_match_arg *)arg; 87 88 if (!bdaddr_same(&di->bdaddr, m->bdaddr)) 89 return (0); 90 91 strlcpy(m->devname, di->devname, sizeof(m->devname)); 92 93 return (1); 94 } 95 96