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Diffstat (limited to 'U/d_htonl.U')
| -rw-r--r-- | U/d_htonl.U | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/U/d_htonl.U b/U/d_htonl.U new file mode 100644 index 0000000000..0cb16479d4 --- /dev/null +++ b/U/d_htonl.U @@ -0,0 +1,76 @@ +?RCS: $Id: d_htonl.U,v 3.0 1993/08/18 12:06:22 ram Exp $ +?RCS: +?RCS: Copyright (c) 1991-1993, Raphael Manfredi +?RCS: +?RCS: You may redistribute only under the terms of the Artistic Licence, +?RCS: as specified in the README file that comes with the distribution. +?RCS: You may reuse parts of this distribution only within the terms of +?RCS: that same Artistic Licence; a copy of which may be found at the root +?RCS: of the source tree for dist 3.0. +?RCS: +?RCS: $Log: d_htonl.U,v $ +?RCS: Revision 3.0 1993/08/18 12:06:22 ram +?RCS: Baseline for dist 3.0 netwide release. +?RCS: +?MAKE:d_htonl: cc ccflags Inlibc i_niin i_sysin rm +?MAKE: -pick add $@ %< +?S:d_htonl: +?S: This variable conditionally defines HAS_HTONL if htonl() and its +?S: friends are available to do network order byte swapping. +?S:. +?C:HAS_HTONL (HTONL): +?C: This symbol, if defined, indicates that the htonl() routine (and +?C: friends htons() ntohl() ntohs()) are available to do network +?C: order byte swapping. +?C:. +?C:HAS_HTONS (HTONS): +?C: This symbol, if defined, indicates that the htons() routine (and +?C: friends htonl() ntohl() ntohs()) are available to do network +?C: order byte swapping. +?C:. +?C:HAS_NTOHL (NTOHL): +?C: This symbol, if defined, indicates that the ntohl() routine (and +?C: friends htonl() htons() ntohs()) are available to do network +?C: order byte swapping. +?C:. +?C:HAS_NTOHS (NTOHS): +?C: This symbol, if defined, indicates that the ntohs() routine (and +?C: friends htonl() htons() ntohl()) are available to do network +?C: order byte swapping. +?C:. +?H:#$d_htonl HAS_HTONL /**/ +?H:#$d_htonl HAS_HTONS /**/ +?H:#$d_htonl HAS_NTOHL /**/ +?H:#$d_htonl HAS_NTOHS /**/ +?H:. +?LINT:set d_htonl +: see if htonl --and friends-- exists +set htonl d_htonl +eval $inlibc +: Maybe they are macros. +case "$d_htonl" in +'define') ;; +*) cat > try.c <<EOM +#include <stdio.h> +#include <sys/types.h> +#$i_niin I_NETINET_IN +#$i_sysin I_SYS_IN +#ifdef I_NETINET_IN +# include <netinet/in.h> +#endif +#ifdef I_SYS_IN +# include <sys/in.h> +#endif +int main() +{ + int x; + printf("x = ", htonl(7)); +} +EOM + if $cc $ccflags -c try.c >/dev/null 2>&1; then + d_htonl="$define" + echo "But it seems to be defined as a macro." + fi + $rm -f try.* try + ;; +esac |