diff options
Diffstat (limited to 'daemon/htonl.c')
-rw-r--r-- | daemon/htonl.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/daemon/htonl.c b/daemon/htonl.c new file mode 100644 index 00000000..c9f1af0a --- /dev/null +++ b/daemon/htonl.c @@ -0,0 +1,82 @@ +/* Copyright (C) 1993,97,2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +/* Windows lacks htonl, htons, ntohl, ntohs. It defines them in + * header files, but doesn't have them in any library. However + * because it defined them we can end up with conflicting + * definitions, which is why here we are careful to avoid + * including any Windows header file. + */ + +#include <config.h> + +#include <stdint.h> +#include <sys/param.h> +#include <byteswap.h> + +#ifndef HAVE_NTOHL + +#undef htonl +#undef ntohl + +uint32_t +htonl (x) + uint32_t x; +{ +#if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && defined(LITTLE_ENDIAN) +#if BYTE_ORDER == BIG_ENDIAN + return x; +#elif BYTE_ORDER == LITTLE_ENDIAN + return bswap_32 (x); +#else +# error "What kind of system is this?" +#endif +#else +#error "BYTE_ORDER/BIG_ENDIAN/LITTLE_ENDIAN are not defined" +#endif +} + +uint32_t ntohl (uint32_t x) { return htonl (x); } + +#endif /* !HAVE_NTOHL */ + +#ifndef HAVE_NTOHS + +#undef htons +#undef ntohs + +uint16_t +htons (x) + uint16_t x; +{ +#if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && defined(LITTLE_ENDIAN) +#if BYTE_ORDER == BIG_ENDIAN + return x; +#elif BYTE_ORDER == LITTLE_ENDIAN + return bswap_16 (x); +#else +# error "What kind of system is this?" +#endif +#else +#error "BYTE_ORDER/BIG_ENDIAN/LITTLE_ENDIAN are not defined" +#endif +} + +uint16_t ntohs (uint16_t x) { return htons (x); } + +#endif /* !HAVE_NTOHS */ |