Importing all of DRL, including ulogd and all of its files.

[distributedratelimiting.git] / extensions / chtons.h

diff --git a/extensions/chtons.h b/extensions/chtons.h
new file mode 100644 (file)
index 0000000..4506e33
--- /dev/null
+++ b/extensions/chtons.h
@@ -0,0 +1,32 @@
+#ifndef _CHTONS_H_
+#define _CHTONS_H_
+
+#include <endian.h>
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+#      define BITNR(X) ((X)^31)
+#      if !defined(__constant_htonl)
+#              define __constant_htonl(x) (x)
+#      endif
+#      if !defined(__constant_htons)
+#              define __constant_htons(x) (x)
+#      endif
+#elif __BYTE_ORDER == __LITTLE_ENDIAN
+#      define BITNR(X) ((X)^7)
+#      if !defined(__constant_htonl)
+#              define __constant_htonl(x) \
+        ((unsigned long int)((((unsigned long int)(x) & 0x000000ffU) << 24) | \
+                             (((unsigned long int)(x) & 0x0000ff00U) <<  8) | \
+                             (((unsigned long int)(x) & 0x00ff0000U) >>  8) | \
+                             (((unsigned long int)(x) & 0xff000000U) >> 24)))
+#      endif
+#      if !defined(__constant_htons)
+#              define __constant_htons(x) \
+        ((unsigned short int)((((unsigned short int)(x) & 0x00ff) << 8) | \
+                              (((unsigned short int)(x) & 0xff00) >> 8)))
+#      endif
+#else
+#      error "Don't know if bytes are big- or little-endian!"
+#endif
+
+#endif