GNU Radio 3.2.2 C++ API

inet.h

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00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2008 Free Software Foundation, Inc.
00004  *
00005  * This program is free software: you can redistribute it and/or modify
00006  * it under the terms of the GNU General Public License as published by
00007  * the Free Software Foundation, either version 3 of the License, or
00008  * (at your option) any later version.
00009  *
00010  * This program is distributed in the hope that it will be useful,
00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013  * GNU General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU General Public License
00016  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
00017  */
00018 
00019 #ifndef INCLUDED_INET_H
00020 #define INCLUDED_INET_H
00021 
00022 #if 1  /* GR_HAVE_ARPA_INET */
00023 #include <arpa/inet.h>
00024 #elif 1  /* GR_HAVE_NETINET_IN */
00025 #include <netinet/in.h>
00026 #else
00027 #include <stdint.h>
00028 
00029 #if 1  /* GR_ARCH_BIGENDIAN */
00030 // Nothing to do...
00031 static inline uint32_t htonl(uint32_t x){ return x; }
00032 static inline uint16_t htons(uint16_t x){ return x; }
00033 static inline uint32_t ntohl(uint32_t x){ return x; }
00034 static inline uint16_t ntohs(uint16_t x){ return x; }
00035 #else
00036 #if 1  /* GR_HAVE_BYTESWAP */
00037 #include <byteswap.h>
00038 #else
00039 static inline uint16_t
00040 bswap_16 (uint16_t x)
00041 {
00042   return ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8));
00043 }
00044 
00045 static inline uint32_t
00046 bswap_32 (uint32_t x)
00047 {
00048   return ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >>  8) \
00049         | (((x) & 0x0000ff00) <<  8) | (((x) & 0x000000ff) << 24));
00050 }
00051 #endif /* GR_HAVE_BYTESWAP */
00052 
00053 static inline uint32_t htonl(uint32_t x){ return bswap_32(x); }
00054 static inline uint16_t htons(uint16_t x){ return bswap_16(x); }
00055 static inline uint32_t ntohl(uint32_t x){ return bswap_32(x); }
00056 static inline uint16_t ntohs(uint16_t x){ return bswap_16(x); }
00057 #endif /* GR_ARCH_BIGENDIAN */
00058 
00059 #endif /* !(GR_HAVE_NETINET_IN || GR_HAVE_ARPA_INET) */
00060 
00061 static inline uint8_t  ntohx(uint8_t  x){ return x;        }
00062 static inline uint16_t ntohx(uint16_t x){ return ntohs(x); }
00063 static inline uint32_t ntohx(uint32_t x){ return ntohl(x); }
00064 static inline uint8_t  htonx(uint8_t  x){ return x;        }
00065 static inline uint16_t htonx(uint16_t x){ return htons(x); }
00066 static inline uint32_t htonx(uint32_t x){ return htonl(x); }
00067 
00068 #endif /* INCLUDED_INET_H */