diff options
| -rw-r--r-- | libc/inet/Makefile | 2 | ||||
| -rw-r--r-- | libc/inet/ntohl.c | 67 |
2 files changed, 68 insertions, 1 deletions
diff --git a/libc/inet/Makefile b/libc/inet/Makefile index ef3d6cf69..5ca42ddf2 100644 --- a/libc/inet/Makefile +++ b/libc/inet/Makefile @@ -52,7 +52,7 @@ MOBJ3= accept.o bind.o connect.o getpeername.o getsockname.o getsockopt.o \ CSRC =getservice.c getproto.c hostid.c getnetent.c getnetbynm.c getnetbyad.c \ inet_net.c ntop.c herror.c if_nametoindex.c gai_strerror.c getaddrinfo.c \ - in6_addr.c ether_addr.c + in6_addr.c ether_addr.c ntohl.c COBJS=$(patsubst %.c,%.o, $(CSRC)) diff --git a/libc/inet/ntohl.c b/libc/inet/ntohl.c new file mode 100644 index 000000000..4fbdf7096 --- /dev/null +++ b/libc/inet/ntohl.c @@ -0,0 +1,67 @@ +/* vi: set sw=4 ts=4: + * Functions to convert between host and network byte order. + * + * Copyright (C) 2003 by Erik Andersen <andersen@uclibc.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU Library General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License + * for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <stdint.h> +#include <endian.h> +#include <byteswap.h> + +#if __BYTE_ORDER == __BIG_ENDIAN +extern uint32_t ntohl (uint32_t x) +{ + return x; +} + +extern uint16_t ntohs (uint16_t x) +{ + return x; +} + +extern uint32_t htonl (uint32_t x) +{ + return x; +} + +extern uint16_t htons (uint16_t x) +{ + return x; +} +#elif __BYTE_ORDER == __LITTLE_ENDIAN +extern uint32_t ntohl (uint32_t x) +{ + return __bswap_32(x); +} + +extern uint16_t ntohs (uint16_t x) +{ + return __bswap_16(x); +} + +extern uint32_t htonl (uint32_t x) +{ + return __bswap_32(x); +} + +extern uint16_t htons (uint16_t x) +{ + return __bswap_16(x); +} +#else +#error "You seem to have an unsupported byteorder" +#endif |