summaryrefslogtreecommitdiff
path: root/mcon/U/d_htonl.U
diff options
context:
space:
mode:
Diffstat (limited to 'mcon/U/d_htonl.U')
-rw-r--r--mcon/U/d_htonl.U87
1 files changed, 87 insertions, 0 deletions
diff --git a/mcon/U/d_htonl.U b/mcon/U/d_htonl.U
new file mode 100644
index 0000000..6db8771
--- /dev/null
+++ b/mcon/U/d_htonl.U
@@ -0,0 +1,87 @@
+?RCS: $Id: d_htonl.U,v 3.0.1.2 1994/08/29 16:09:25 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 3.0.1.2 1994/08/29 16:09:25 ram
+?RCS: patch32: now properly handles htonl() and friends when macros (ADO)
+?RCS:
+?RCS: Revision 3.0.1.1 1994/05/06 14:45:00 ram
+?RCS: patch23: now also check for htonl() macro (ADO)
+?RCS:
+?RCS: Revision 3.0 1993/08/18 12:06:22 ram
+?RCS: Baseline for dist 3.0 netwide release.
+?RCS:
+?MAKE:d_htonl: Inlibc Setvar i_niin i_sysin cat rm contains \
+ cppstdin cppflags cppminus
+?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
+val=''
+set htonl val
+eval $inlibc
+
+: Maybe they are macros.
+case "$val" in
+$undef)
+ $cat >htonl.c <<EOM
+#include <stdio.h>
+#include <sys/types.h>
+#$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
+#ifdef htonl
+printf("Defined as a macro.");
+#endif
+EOM
+ $cppstdin $cppflags $cppminus < htonl.c >htonl.E 2>/dev/null
+ if $contains 'Defined as a macro' htonl.E >/dev/null 2>&1; then
+ val="$define"
+ echo "But it seems to be defined as a macro." >&4
+ fi
+ $rm -f htonl.?
+ ;;
+esac
+set d_htonl
+eval $setvar
+