/* $NetBSD: sdp.h,v 1.4 2008/08/06 14:21:33 plunky Exp $ */ /*- * Copyright (c) 2006 Itronix Inc. * All rights reserved. * * Written by Iain Hibbert for Itronix Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. 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. * 3. The name of Itronix Inc. may not be used to endorse * or promote products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``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 ITRONIX INC. 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. */ /* * sdp.h * * Copyright (c) 2001-2003, 2008 Maksim Yevmenkin * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. 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 AUTHOR 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 AUTHOR 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. * * $Id: sdp.h,v 1.1 2008/11/26 21:48:30 uwe Exp $ * $FreeBSD: src/lib/libsdp/sdp.h,v 1.5 2005/05/27 19:11:33 emax Exp $ */ #ifndef _SDP_H_ #define _SDP_H_ #include #include #include __BEGIN_DECLS /* * Data representation (page 349) */ /* Nil, the null type */ #define SDP_DATA_NIL 0x00 /* Unsigned integer */ #define SDP_DATA_UINT8 0x08 #define SDP_DATA_UINT16 0x09 #define SDP_DATA_UINT32 0x0A #define SDP_DATA_UINT64 0x0B #define SDP_DATA_UINT128 0x0C /* Signed two's-complement integer */ #define SDP_DATA_INT8 0x10 #define SDP_DATA_INT16 0x11 #define SDP_DATA_INT32 0x12 #define SDP_DATA_INT64 0x13 #define SDP_DATA_INT128 0x14 /* UUID, a universally unique identifier */ #define SDP_DATA_UUID16 0x19 #define SDP_DATA_UUID32 0x1A #define SDP_DATA_UUID128 0x1C /* Text string */ #define SDP_DATA_STR8 0x25 #define SDP_DATA_STR16 0x26 #define SDP_DATA_STR32 0x27 /* Boolean */ #define SDP_DATA_BOOL 0x28 /* * Data element sequence. * A data element whose data field is a sequence of data elements */ #define SDP_DATA_SEQ8 0x35 #define SDP_DATA_SEQ16 0x36 #define SDP_DATA_SEQ32 0x37 /* * Data element alternative. * A data element whose data field is a sequence of data elements from * which one data element is to be selected. */ #define SDP_DATA_ALT8 0x3D #define SDP_DATA_ALT16 0x3E #define SDP_DATA_ALT32 0x3F /* URL, a uniform resource locator */ #define SDP_DATA_URL8 0x45 #define SDP_DATA_URL16 0x46 #define SDP_DATA_URL32 0x47 /* * Protocols UUID (short) http://www.bluetoothsig.org/assigned-numbers/sdp.htm * BASE UUID 00000000-0000-1000-8000-00805F9B34FB */ #define SDP_UUID_PROTOCOL_SDP 0x0001 #define SDP_UUID_PROTOCOL_UDP 0x0002 #define SDP_UUID_PROTOCOL_RFCOMM 0x0003 #define SDP_UUID_PROTOCOL_TCP 0x0004 #define SDP_UUID_PROTOCOL_TCS_BIN 0x0005 #define SDP_UUID_PROTOCOL_TCS_AT 0x0006 #define SDP_UUID_PROTOCOL_OBEX 0x0008 #define SDP_UUID_PROTOCOL_IP 0x0009 #define SDP_UUID_PROTOCOL_FTP 0x000A #define SDP_UUID_PROTOCOL_HTTP 0x000C #define SDP_UUID_PROTOCOL_WSP 0x000E #define SDP_UUID_PROTOCOL_BNEP 0x000F #define SDP_UUID_PROTOCOL_UPNP 0x0010 #define SDP_UUID_PROTOCOL_HIDP 0x0011 #define SDP_UUID_PROTOCOL_HARDCOPY_CONTROL_CHANNEL 0x0012 #define SDP_UUID_PROTOCOL_HARDCOPY_DATA_CHANNEL 0x0014 #define SDP_UUID_PROTOCOL_HARDCOPY_NOTIFICATION 0x0016 #define SDP_UUID_PROTOCOL_AVCTP 0x0017 #define SDP_UUID_PROTOCOL_AVDTP 0x0019 #define SDP_UUID_PROTOCOL_CMPT 0x001B #define SDP_UUID_PROTOCOL_UDI_C_PLANE 0x001D #define SDP_UUID_PROTOCOL_L2CAP 0x0100 /* * Service class IDs http://www.bluetoothsig.org/assigned-numbers/sdp.htm */ #define SDP_SERVICE_CLASS_SERVICE_DISCOVERY_SERVER 0x1000 #define SDP_SERVICE_CLASS_BROWSE_GROUP_DESCRIPTOR 0x1001 #define SDP_SERVICE_CLASS_PUBLIC_BROWSE_GROUP 0x1002 #define SDP_SERVICE_CLASS_SERIAL_PORT 0x1101 #define SDP_SERVICE_CLASS_LAN_ACCESS_USING_PPP 0x1102 #define SDP_SERVICE_CLASS_DIALUP_NETWORKING 0x1103 #define SDP_SERVICE_CLASS_IR_MC_SYNC 0x1104 #define SDP_SERVICE_CLASS_OBEX_OBJECT_PUSH 0x1105 #define SDP_SERVICE_CLASS_OBEX_FILE_TRANSFER 0x1106 #define SDP_SERVICE_CLASS_IR_MC_SYNC_COMMAND 0x1107 #define SDP_SERVICE_CLASS_HEADSET 0x1108 #define SDP_SERVICE_CLASS_CORDLESS_TELEPHONY 0x1109 #define SDP_SERVICE_CLASS_AUDIO_SOURCE 0x110A #define SDP_SERVICE_CLASS_AUDIO_SINK 0x110B #define SDP_SERVICE_CLASS_AV_REMOTE_CONTROL_TARGET 0x110C #define SDP_SERVICE_CLASS_ADVANCED_AUDIO_DISTRIBUTION 0x110D #define SDP_SERVICE_CLASS_AV_REMOTE_CONTROL 0x110E #define SDP_SERVICE_CLASS_VIDEO_CONFERENCING 0x110F #define SDP_SERVICE_CLASS_INTERCOM 0x1110 #define SDP_SERVICE_CLASS_FAX 0x1111 #define SDP_SERVICE_CLASS_HEADSET_AUDIO_GATEWAY 0x1112 #define SDP_SERVICE_CLASS_WAP 0x1113 #define SDP_SERVICE_CLASS_WAP_CLIENT 0x1114 #define SDP_SERVICE_CLASS_PANU 0x1115 #define SDP_SERVICE_CLASS_NAP 0x1116 #define SDP_SERVICE_CLASS_GN 0x1117 #define SDP_SERVICE_CLASS_DIRECT_PRINTING 0x1118 #define SDP_SERVICE_CLASS_REFERENCE_PRINTING 0x1119 #define SDP_SERVICE_CLASS_IMAGING 0x111A #define SDP_SERVICE_CLASS_IMAGING_RESPONDER 0x111B #define SDP_SERVICE_CLASS_IMAGING_AUTOMATIC_ARCHIVE 0x111C #define SDP_SERVICE_CLASS_IMAGING_REFERENCED_OBJECTS 0x111D #define SDP_SERVICE_CLASS_HANDSFREE 0x111E #define SDP_SERVICE_CLASS_HANDSFREE_AUDIO_GATEWAY 0x111F #define SDP_SERVICE_CLASS_DIRECT_PRINTING_REFERENCE_OBJECTS 0x1120 #define SDP_SERVICE_CLASS_REFLECTED_UI 0x1121 #define SDP_SERVICE_CLASS_BASIC_PRINTING 0x1122 #define SDP_SERVICE_CLASS_PRINTING_STATUS 0x1123 #define SDP_SERVICE_CLASS_HUMAN_INTERFACE_DEVICE 0x1124 #define SDP_SERVICE_CLASS_HARDCOPY_CABLE_REPLACEMENT 0x1125 #define SDP_SERVICE_CLASS_HCR_PRINT 0x1126 #define SDP_SERVICE_CLASS_HCR_SCAN 0x1127 #define SDP_SERVICE_CLASS_COMMON_ISDN_ACCESS 0x1128 #define SDP_SERVICE_CLASS_VIDEO_CONFERENCING_GW 0x1129 #define SDP_SERVICE_CLASS_UDI_MT 0x112A #define SDP_SERVICE_CLASS_UDI_TA 0x112B #define SDP_SERVICE_CLASS_AUDIO_VIDEO 0x112C #define SDP_SERVICE_CLASS_SIM_ACCESS 0x112D #define SDP_SERVICE_CLASS_PNP_INFORMATION 0x1200 #define SDP_SERVICE_CLASS_GENERIC_NETWORKING 0x1201 #define SDP_SERVICE_CLASS_GENERIC_FILE_TRANSFER 0x1202 #define SDP_SERVICE_CLASS_GENERIC_AUDIO 0x1203 #define SDP_SERVICE_CLASS_GENERIC_TELEPHONY 0x1204 #define SDP_SERVICE_CLASS_UPNP 0x1205 #define SDP_SERVICE_CLASS_UPNP_IP 0x1206 #define SDP_SERVICE_CLASS_ESDP_UPNP_IP_PAN 0x1300 #define SDP_SERVICE_CLASS_ESDP_UPNP_IP_LAP 0x1301 #define SDP_SERVICE_CLASS_ESDP_UPNP_L2CAP 0x1302 /* * Universal attribute definitions (page 366) and * http://www.bluetoothsig.org/assigned-numbers/sdp.htm */ #define SDP_ATTR_RANGE(lo, hi) \ (uint32_t)(((uint16_t)(lo) << 16) | ((uint16_t)(hi))) #define SDP_ATTR_SERVICE_RECORD_HANDLE 0x0000 #define SDP_ATTR_SERVICE_CLASS_ID_LIST 0x0001 #define SDP_ATTR_SERVICE_RECORD_STATE 0x0002 #define SDP_ATTR_SERVICE_ID 0x0003 #define SDP_ATTR_PROTOCOL_DESCRIPTOR_LIST 0x0004 #define SDP_ATTR_BROWSE_GROUP_LIST 0x0005 #define SDP_ATTR_LANGUAGE_BASE_ATTRIBUTE_ID_LIST 0x0006 #define SDP_ATTR_SERVICE_INFO_TIME_TO_LIVE 0x0007 #define SDP_ATTR_SERVICE_AVAILABILITY 0x0008 #define SDP_ATTR_BLUETOOTH_PROFILE_DESCRIPTOR_LIST 0x0009 #define SDP_ATTR_DOCUMENTATION_URL 0x000A #define SDP_ATTR_CLIENT_EXECUTABLE_URL 0x000B #define SDP_ATTR_ICON_URL 0x000C #define SDP_ATTR_ADDITIONAL_PROTOCOL_DESCRIPTOR_LISTS 0x000D #define SDP_ATTR_GROUP_ID 0x0200 #define SDP_ATTR_IP_SUBNET 0x0200 #define SDP_ATTR_VERSION_NUMBER_LIST 0x0200 #define SDP_ATTR_SERVICE_DATABASE_STATE 0x0201 #define SDP_ATTR_SERVICE_VERSION 0x0300 #define SDP_ATTR_EXTERNAL_NETWORK 0x0301 #define SDP_ATTR_NETWORK 0x0301 #define SDP_ATTR_SUPPORTED_DATA_STORES_LIST 0x0301 #define SDP_ATTR_FAX_CLASS1_SUPPORT 0x0302 #define SDP_ATTR_REMOTE_AUDIO_VOLUME_CONTROL 0x0302 #define SDP_ATTR_FAX_CLASS20_SUPPORT 0x0303 #define SDP_ATTR_SUPPORTED_FORMATS_LIST 0x0303 #define SDP_ATTR_FAX_CLASS2_SUPPORT 0x0304 #define SDP_ATTR_AUDIO_FEEDBACK_SUPPORT 0x0305 #define SDP_ATTR_NETWORK_ADDRESS 0x0306 #define SDP_ATTR_WAP_GATEWAY 0x0307 #define SDP_ATTR_HOME_PAGE_URL 0x0308 #define SDP_ATTR_WAP_STACK_TYPE 0x0309 #define SDP_ATTR_SECURITY_DESCRIPTION 0x030A #define SDP_ATTR_NET_ACCESS_TYPE 0x030B #define SDP_ATTR_MAX_NET_ACCESS_RATE 0x030C #define SDP_ATTR_IPV4_SUBNET 0x030D #define SDP_ATTR_IPV6_SUBNET 0x030E #define SDP_ATTR_SUPPORTED_CAPABALITIES 0x0310 #define SDP_ATTR_SUPPORTED_FEATURES 0x0311 #define SDP_ATTR_SUPPORTED_FUNCTIONS 0x0312 #define SDP_ATTR_TOTAL_IMAGING_DATA_CAPACITY 0x0313 /* * The offset must be added to the attribute ID base (contained in the * LANGUAGE_BASE_ATTRIBUTE_ID_LIST attribute) in order to compute the * attribute ID for these attributes. */ #define SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID 0x0100 #define SDP_ATTR_SERVICE_NAME_OFFSET 0x0000 #define SDP_ATTR_SERVICE_DESCRIPTION_OFFSET 0x0001 #define SDP_ATTR_PROVIDER_NAME_OFFSET 0x0002 /* * Protocol data unit (PDU) format (page 352) */ #define SDP_PDU_ERROR_RESPONSE 0x01 #define SDP_PDU_SERVICE_SEARCH_REQUEST 0x02 #define SDP_PDU_SERVICE_SEARCH_RESPONSE 0x03 #define SDP_PDU_SERVICE_ATTRIBUTE_REQUEST 0x04 #define SDP_PDU_SERVICE_ATTRIBUTE_RESPONSE 0x05 #define SDP_PDU_SERVICE_SEARCH_ATTRIBUTE_REQUEST 0x06 #define SDP_PDU_SERVICE_SEARCH_ATTRIBUTE_RESPONSE 0x07 struct sdp_pdu { uint8_t pid; /* PDU ID - SDP_PDU_xxx */ uint16_t tid; /* transaction ID */ uint16_t len; /* parameters length (in bytes) */ } __attribute__ ((packed)); typedef struct sdp_pdu sdp_pdu_t; typedef struct sdp_pdu * sdp_pdu_p; /* * Error codes for SDP_PDU_ERROR_RESPONSE */ #define SDP_ERROR_CODE_INVALID_SDP_VERSION 0x0001 #define SDP_ERROR_CODE_INVALID_SERVICE_RECORD_HANDLE 0x0002 #define SDP_ERROR_CODE_INVALID_REQUEST_SYNTAX 0x0003 #define SDP_ERROR_CODE_INVALID_PDU_SIZE 0x0004 #define SDP_ERROR_CODE_INVALID_CONTINUATION_STATE 0x0005 #define SDP_ERROR_CODE_INSUFFICIENT_RESOURCES 0x0006 /* * SDP int128/uint128 parameter */ struct int128 { int8_t b[16]; }; typedef struct int128 int128_t; typedef struct int128 uint128_t; /* * SDP attribute */ struct sdp_attr { uint16_t flags; #define SDP_ATTR_OK (0 << 0) #define SDP_ATTR_INVALID (1 << 0) #define SDP_ATTR_TRUNCATED (1 << 1) uint16_t attr; /* SDP_ATTR_xxx */ uint32_t vlen; /* length of the value[] in bytes */ uint8_t *value; /* base pointer */ }; typedef struct sdp_attr sdp_attr_t; typedef struct sdp_attr * sdp_attr_p; /****************************************************************************** * User interface *****************************************************************************/ /* Inline versions of get/put byte/short/long. Pointer is advanced */ #define SDP_GET8(b, cp) do { \ (b) = *(const uint8_t *)(cp); \ (cp) += sizeof(uint8_t); \ } while (/* CONSTCOND */0) #define SDP_GET16(s, cp) do { \ (s) = be16dec(cp); \ (cp) += sizeof(uint16_t); \ } while (/* CONSTCOND */0) #define SDP_GET32(l, cp) do { \ (l) = be32dec(cp); \ (cp) += sizeof(uint32_t); \ } while (/* CONSTCOND */0) #define SDP_GET64(l, cp) do { \ (l) = be64dec(cp); \ (cp) += sizeof(uint64_t); \ } while (/* CONSTCOND */0) #if BYTE_ORDER == LITTLE_ENDIAN #define SDP_GET128(l, cp) do { \ register const uint8_t *t_cp = (const uint8_t *)(cp); \ (l)->b[15] = *t_cp++; \ (l)->b[14] = *t_cp++; \ (l)->b[13] = *t_cp++; \ (l)->b[12] = *t_cp++; \ (l)->b[11] = *t_cp++; \ (l)->b[10] = *t_cp++; \ (l)->b[9] = *t_cp++; \ (l)->b[8] = *t_cp++; \ (l)->b[7] = *t_cp++; \ (l)->b[6] = *t_cp++; \ (l)->b[5] = *t_cp++; \ (l)->b[4] = *t_cp++; \ (l)->b[3] = *t_cp++; \ (l)->b[2] = *t_cp++; \ (l)->b[1] = *t_cp++; \ (l)->b[0] = *t_cp++; \ (cp) += 16; \ } while (/* CONSTCOND */0) #define SDP_GET_UUID128(l, cp) do { \ memcpy(&((l)->b), (cp), 16); \ (cp) += 16; \ } while (/* CONSTCOND */0) #elif BYTE_ORDER == BIG_ENDIAN #define SDP_GET128(l, cp) do { \ memcpy(&((l)->b), (cp), 16); \ (cp) += 16; \ } while (/* CONSTCOND */0) #define SDP_GET_UUID128(l, cp) SDP_GET128(l, cp) #else #error "Unsupported BYTE_ORDER" #endif /* BYTE_ORDER */ #define SDP_PUT8(b, cp) do { \ *(uint8_t *)(cp) = (b); \ (cp) += sizeof(uint8_t); \ } while (/* CONSTCOND */0) #define SDP_PUT16(s, cp) do { \ be16enc((cp), (s)); \ (cp) += sizeof(uint16_t); \ } while (/* CONSTCOND */0) #define SDP_PUT32(s, cp) do { \ be32enc((cp), (s)); \ (cp) += sizeof(uint32_t); \ } while (/* CONSTCOND */0) #define SDP_PUT64(s, cp) do { \ be64enc((cp), (s)); \ (cp) += sizeof(uint64_t); \ } while (/* CONSTCOND */0) #if BYTE_ORDER == LITTLE_ENDIAN #define SDP_PUT128(l, cp) do { \ register const uint8_t *t_cp = (const uint8_t *)(cp); \ *t_cp++ = (l)->b[15]; \ *t_cp++ = (l)->b[14]; \ *t_cp++ = (l)->b[13]; \ *t_cp++ = (l)->b[12]; \ *t_cp++ = (l)->b[11]; \ *t_cp++ = (l)->b[10]; \ *t_cp++ = (l)->b[9]; \ *t_cp++ = (l)->b[8]; \ *t_cp++ = (l)->b[7]; \ *t_cp++ = (l)->b[6]; \ *t_cp++ = (l)->b[5]; \ *t_cp++ = (l)->b[4]; \ *t_cp++ = (l)->b[3]; \ *t_cp++ = (l)->b[2]; \ *t_cp++ = (l)->b[1]; \ *t_cp = (l)->b[0]; \ (cp) += 16; \ } while (/* CONSTCOND */0) #define SDP_PUT_UUID128(l, cp) do { \ memcpy((cp), &((l)->b), 16); \ (cp) += 16; \ } while (/* CONSTCOND */0) #elif BYTE_ORDER == BIG_ENDIAN #define SDP_PUT128(l, cp) do { \ memcpy((cp), &((l)->b), 16); \ (cp) += 16; \ } while (/* CONSTCOND */0) #define SDP_PUT_UUID128(l, cp) SDP_PUT128(l, cp) #else #error "Unsupported BYTE_ORDER" #endif /* BYTE_ORDER */ void * sdp_open (bdaddr_t const *l, bdaddr_t const *r); void * sdp_open_local (char const *control); int32_t sdp_close (void *xs); int32_t sdp_error (void *xs); int32_t sdp_search (void *xs, uint32_t plen, uint16_t const *pp, uint32_t alen, uint32_t const *ap, uint32_t vlen, sdp_attr_t *vp); char const * sdp_attr2desc (uint16_t attr); char const * sdp_uuid2desc (uint16_t uuid); void sdp_print (uint32_t level, uint8_t *start, uint8_t const *end); struct sdp_session; struct btdev_attach_args; int sdp_query(struct sdp_session *, struct btdev_attach_args *, bdaddr_t *, bdaddr_t *, const char *); /****************************************************************************** * internal interface and utility functions *****************************************************************************/ enum sdp_session_state { SDP_SESSION_CLOSED, SDP_SESSION_OPEN, SDP_SESSION_FINISHED }; struct sdp_session { TAILQ_ENTRY(sdp_session) entry; struct sdp_state *sdp; enum sdp_session_state state; bdaddr_t laddr; bdaddr_t raddr; uint16_t omtu; uint16_t imtu; uint8_t *req; uint8_t *rsp; int fd; struct event ev; /* for legacy SDP code */ uint8_t *req_e; uint8_t *rsp_e; uint16_t tid; uint8_t cs[16]; uint32_t cslen; int error; }; static __inline void be16enc(void *buf, uint16_t u) { uint8_t *p = (uint8_t *)buf; p[0] = ((unsigned)u >> 8) & 0xff; p[1] = u & 0xff; } static __inline uint16_t be16dec(const void *buf) { const uint8_t *p = (const uint8_t *)buf; return ((p[0] << 8) | p[1]); } static __inline void be32enc(void *buf, uint32_t u) { uint8_t *p = (uint8_t *)buf; p[0] = (u >> 24) & 0xff; p[1] = (u >> 16) & 0xff; p[2] = (u >> 8) & 0xff; p[3] = u & 0xff; } static __inline uint32_t be32dec(const void *buf) { const uint8_t *p = (const uint8_t *)buf; return ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]); } static __inline void be64enc(void *buf, uint64_t u) { uint8_t *p = (uint8_t *)buf; be32enc(p, (uint32_t)(u >> 32)); be32enc(p + 4, (uint32_t)(u & 0xffffffffULL)); } static __inline uint64_t be64dec(const void *buf) { const uint8_t *p = (const uint8_t *)buf; return (((uint64_t)be32dec(p) << 32) | be32dec(p + 4)); } __END_DECLS #endif /* ndef _SDP_H_ */