3 * Copyright 2007 Free Software Foundation, Inc.
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 #ifndef INCLUDED_USRP2_BYTESEX_H
19 #define INCLUDED_USRP2_BYTESEX_H
21 // The USRP2 speaks big-endian...
22 // Use the standard include files or provide substitutions for
25 #if defined(HAVE_ARPA_INET_H)
26 #include <arpa/inet.h>
27 #elif defined(HAVE_NETINET_IN_H)
28 #include <netinet/in.h>
32 #ifdef WORDS_BIGENDIAN // nothing to do...
34 static inline uint32_t htonl(uint32_t x){ return x; }
35 static inline uint16_t htons(uint16_t x){ return x; }
36 static inline uint32_t ntohl(uint32_t x){ return x; }
37 static inline uint16_t ntohs(uint16_t x){ return x; }
41 #ifdef HAVE_BYTESWAP_H
45 static inline uint16_t
48 return ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8));
51 static inline uint32_t
54 return ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) \
55 | (((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24));
59 static inline uint32_t htonl(uint32_t x){ return bswap_32(x); }
60 static inline uint16_t htons(uint16_t x){ return bswap_16(x); }
61 static inline uint32_t ntohl(uint32_t x){ return bswap_32(x); }
62 static inline uint16_t ntohs(uint16_t x){ return bswap_16(x); }
66 #endif /* INCLUDED_USRP2_BYTESEX_H */