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-rw-r--r--REORG.TODO/inet/htontest.c70
1 files changed, 70 insertions, 0 deletions
diff --git a/REORG.TODO/inet/htontest.c b/REORG.TODO/inet/htontest.c
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+/* Test hton/ntoh functions.
+   Copyright (C) 1997-2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <endian.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+
+#if BYTE_ORDER == BIG_ENDIAN
+# define TEST(orig, swapped, fct) \
+  if ((fct (orig)) != (orig)) {						      \
+    printf ("Failed for %s -> %#x\n", #fct "(" #orig ")", fct (orig));	      \
+    result = 1;								      \
+  }
+#elif BYTE_ORDER == LITTLE_ENDIAN
+# define TEST(orig, swapped, fct) \
+  if ((fct (orig)) != (swapped)) {					      \
+    printf ("Failed for %s -> %#x\n", #fct "(" #orig ")", fct (orig));	      \
+    result = 1;								      \
+  }
+#else
+# error "Bah, what kind of system do you use?"
+#endif
+
+u_int32_t lo = 0x67452301;
+u_int16_t foo = 0x1234;
+
+int
+main (void)
+{
+  int result = 0;
+
+  TEST (0x67452301, 0x01234567, htonl);
+  TEST (0x67452301, 0x01234567, (htonl));
+  TEST (0x67452301, 0x01234567, ntohl);
+  TEST (0x67452301, 0x01234567, (ntohl));
+
+  TEST (lo, 0x01234567, htonl);
+  TEST (lo, 0x01234567, (htonl));
+  TEST (lo, 0x01234567, ntohl);
+  TEST (lo, 0x01234567, (ntohl));
+
+  TEST (0x1234, 0x3412, htons);
+  TEST (0x1234, 0x3412, (htons));
+  TEST (0x1234, 0x3412, ntohs);
+  TEST (0x1234, 0x3412, (ntohs));
+
+  TEST (foo, 0x3412, htons);
+  TEST (foo, 0x3412, (htons));
+  TEST (foo, 0x3412, ntohs);
+  TEST (foo, 0x3412, (ntohs));
+
+  return result;
+}