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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /sysdeps/generic/htonl.c
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initial import
Diffstat (limited to 'sysdeps/generic/htonl.c')
-rw-r--r--sysdeps/generic/htonl.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/sysdeps/generic/htonl.c b/sysdeps/generic/htonl.c
new file mode 100644
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+++ b/sysdeps/generic/htonl.c
@@ -0,0 +1,32 @@
+/* Copyright (C) 1993 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <ansidecl.h>
+#include <netinet/in.h>
+
+#undef htonl
+
+unsigned long int
+DEFUN(htonl, (x), unsigned long int x)
+{
+#if BYTE_ORDER == LITTLE_ENDIAN
+ x = (x << 24) | ((x & 0xff00) << 8) | ((x & 0xff0000) >> 8) | (x >> 24);
+#endif
+
+ return x;
+}