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Diffstat (limited to 'slirp-android/helper.h')
-rw-r--r-- | slirp-android/helper.h | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/slirp-android/helper.h b/slirp-android/helper.h new file mode 100644 index 0000000..afccb54 --- /dev/null +++ b/slirp-android/helper.h @@ -0,0 +1,143 @@ +/* + * Copyright (c) 2009 The Android Open Source Project + * + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. + */ +#ifndef _SLIRP_HELPER_H +#define _SLIRP_HELPER_H + +#ifdef _WIN32 +# include <winsock2.h> /* for ntohl */ +#endif + +typedef union { + u_int32_t addr; + u_int8_t data[4]; +} ipaddr_t; + +/* return ip address in network order */ +static __inline__ uint32_t +ip_getn( ipaddr_t ip ) +{ + return ip.addr; +} + +/* return ip address in host order */ +static __inline__ uint32_t +ip_geth( ipaddr_t ip ) +{ + return ntohl(ip.addr); +} + +/* set ip address in network order */ +static __inline__ ipaddr_t +ip_setn( uint32_t val ) +{ + ipaddr_t ip; + ip.addr = val; + return ip; +} + +/* set ip address in host order */ +static __inline__ ipaddr_t +ip_seth( uint32_t val ) +{ + ipaddr_t ip; + ip.addr = htonl(val); + return ip; +} + +static __inline__ ipaddr_t +ip_read( const void* buf ) +{ + ipaddr_t ip; + memcpy(ip.data, buf, 4); + return ip; +} + +static __inline__ void +ip_write( ipaddr_t ip, void* buf ) +{ + memcpy(buf, ip.data, 4); +} + +static __inline__ uint32_t +ip_read32h( const void* buf ) +{ + ipaddr_t addr = ip_read(buf); + return ip_geth(addr); +} + +static __inline__ void +ip_write32h( uint32_t ip, void* buf ) +{ + ipaddr_t addr = ip_seth(ip); + ip_write(addr, buf); +} + +static __inline__ int +ip_equal( ipaddr_t ip1, ipaddr_t ip2 ) +{ + return ip1.addr == ip2.addr; +} + +typedef union { + u_int16_t port; + u_int8_t data[2]; +} port_t; + +static __inline__ uint16_t +port_getn( port_t p ) +{ + return p.port; +} + +static __inline__ uint16_t +port_geth( port_t p ) +{ + return ntohs(p.port); +} + +static __inline__ port_t +port_setn( uint16_t val ) +{ + port_t p; + p.port = val; + return p; +} + +static __inline__ port_t +port_seth( uint16_t val ) +{ + port_t p; + p.port = htons(val); + return p; +} + +#endif /* _SLIRP_HELPER_H */ |