BlinkenArea - GitList
Repositories
Blog
Wiki
flaneth
Code
Commits
Branches
Tags
Search
Tree:
2342395
Branches
Tags
master
flaneth
firmware
nethelp.h
change email address in header to blinkenarea address
Stefan Schuermans
commited
2342395
at 2012-05-22 19:18:57
nethelp.h
Blame
History
Raw
/* flaneth - flash and ethernet Copyright (C) 2007-2012 Stefan Schuermans <stefan@blinkenarea.org> Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project - http://www.blinkenarea.org/ */ #ifndef INC_nethelp #define INC_nethelp // byte order #define ntohs( n ) ( ((unsigned short)(n) & 0xFF00) >> 8 | \ ((unsigned short)(n) & 0x00FF) << 8 ) #define htons( h ) ( ((unsigned short)(h) & 0xFF00) >> 8 | \ ((unsigned short)(h) & 0x00FF) << 8 ) #define ntohl( n ) ( ((unsigned long)(n) & 0xFF000000) >> 24 | \ ((unsigned long)(n) & 0x00FF0000) >> 8 | \ ((unsigned long)(n) & 0x0000FF00) << 8 | \ ((unsigned long)(n) & 0x000000FF) << 24 ) #define htonl( h ) ( ((unsigned long)(h) & 0xFF000000) >> 24 | \ ((unsigned long)(h) & 0x00FF0000) >> 8 | \ ((unsigned long)(h) & 0x0000FF00) << 8 | \ ((unsigned long)(h) & 0x000000FF) << 24 ) // comparing MACs and IPs #define mac_eq( a, b ) ( (a)[0] == (b)[0] && (a)[1] == (b)[1] && (a)[2] == (b)[2] && \ (a)[3] == (b)[3] && (a)[4] == (b)[4] && (a)[5] == (b)[5] ) #define ip_eq( a, b ) ( (a)[0] == (b)[0] && (a)[1] == (b)[1] && \ (a)[2] == (b)[2] && (a)[3] == (b)[3] ) // copying MACs and IPs #define mac_cpy( dest, src ) ( (dest)[0] = (src)[0], (dest)[1] = (src)[1], (dest)[2] = (src)[2], \ (dest)[3] = (src)[3], (dest)[4] = (src)[4], (dest)[5] = (src)[5] ) #define ip_cpy( dest, src ) ( (dest)[0] = (src)[0], (dest)[1] = (src)[1], \ (dest)[2] = (src)[2], (dest)[3] = (src)[3] ) #endif // #ifndef INC_nethelp
