[GNUnet-SVN] r20981 - Extractor/src/common

[gnunet]

Author: grothoff
Date: 2012-04-15 10:04:26 +0200 (Sun, 15 Apr 2012)
New Revision: 20981

Added:
   Extractor/src/common/le_architecture.h
Log:
-LRN: missing file added

Added: Extractor/src/common/le_architecture.h
===================================================================
--- Extractor/src/common/le_architecture.h                              (rev 0)
+++ Extractor/src/common/le_architecture.h      2012-04-15 08:04:26 UTC (rev 
20981)
@@ -0,0 +1,130 @@
+#if !defined(LE_ARCHITECTURE_H)
+#define LE_ARCHITECTURE_H
+
+#if WINDOWS
+#include <sys/param.h>          /* #define BYTE_ORDER */
+#endif
+
+/* This is copied directly from GNUnet headers */
+
+#ifndef __BYTE_ORDER
+#ifdef _BYTE_ORDER
+#define __BYTE_ORDER _BYTE_ORDER
+#else
+#ifdef BYTE_ORDER
+#define __BYTE_ORDER BYTE_ORDER
+#endif
+#endif
+#endif
+#ifndef __BIG_ENDIAN
+#ifdef _BIG_ENDIAN
+#define __BIG_ENDIAN _BIG_ENDIAN
+#else
+#ifdef BIG_ENDIAN
+#define __BIG_ENDIAN BIG_ENDIAN
+#endif
+#endif
+#endif
+#ifndef __LITTLE_ENDIAN
+#ifdef _LITTLE_ENDIAN
+#define __LITTLE_ENDIAN _LITTLE_ENDIAN
+#else
+#ifdef LITTLE_ENDIAN
+#define __LITTLE_ENDIAN LITTLE_ENDIAN
+#endif
+#endif
+#endif
+
+/**
+ * Endian operations
+ */
+
+# if __BYTE_ORDER == __LITTLE_ENDIAN
+#  define LE_htobe16(x) __bswap_16 (x)
+#  define LE_htole16(x) (x)
+#  define LE_be16toh(x) __bswap_16 (x)
+#  define LE_le16toh(x) (x)
+
+#  define LE_htobe32(x) __bswap_32 (x)
+#  define LE_htole32(x) (x)
+#  define LE_be32toh(x) __bswap_32 (x)
+#  define LE_le32toh(x) (x)
+
+#  define LE_htobe64(x) __bswap_64 (x)
+#  define LE_htole64(x) (x)
+#  define LE_be64toh(x) __bswap_64 (x)
+#  define LE_le64toh(x) (x)
+#endif
+# if __BYTE_ORDER == __BIG_ENDIAN
+#  define LE_htobe16(x) (x)
+#  define LE_htole16(x) __bswap_16 (x)
+#  define LE_be16toh(x) (x)
+#  define LE_le16toh(x) __bswap_16 (x)
+
+#  define LE_htobe32(x) (x)
+#  define LE_htole32(x) __bswap_32 (x)
+#  define LE_be32toh(x) (x)
+#  define LE_le32toh(x) __bswap_32 (x)
+
+#  define LE_htobe64(x) (x)
+#  define LE_htole64(x) __bswap_64 (x)
+#  define LE_be64toh(x) (x)
+#  define LE_le64toh(x) __bswap_64 (x)
+#endif
+
+
+
+
+/**
+ * gcc-ism to get packed structs.
+ */
+#define LE_PACKED __attribute__((packed))
+
+/**
+ * gcc-ism to get gcc bitfield layout when compiling with -mms-bitfields
+ */
+#ifdef __MINGW32__
+#define LE_GCC_STRUCT_LAYOUT __attribute__((gcc_struct))
+#else
+#define LE_GCC_STRUCT_LAYOUT
+#endif
+
+/**
+ * gcc-ism to document unused arguments
+ */
+#define LE_UNUSED __attribute__((unused))
+
+/**
+ * gcc-ism to document functions that don't return
+ */
+#define LE_NORETURN __attribute__((noreturn))
+
+#if __GNUC__ > 3
+/**
+ * gcc 4.x-ism to pack structures even on W32 (to be used before structs)
+ */
+#define LE_NETWORK_STRUCT_BEGIN \
+  _Pragma("pack(push)") \
+  _Pragma("pack(1)")
+
+/**
+ * gcc 4.x-ism to pack structures even on W32 (to be used after structs)
+ */
+#define LE_NETWORK_STRUCT_END _Pragma("pack(pop)")
+#else
+#ifdef __MINGW32__
+#error gcc 4.x or higher required on W32 systems
+#endif
+/**
+ * Good luck, LE_PACKED should suffice, but this won't work on W32
+ */
+#define LE_NETWORK_STRUCT_BEGIN 
+
+/**
+ * Good luck, LE_PACKED should suffice, but this won't work on W32
+ */
+#define LE_NETWORK_STRUCT_END
+#endif
+
+
+#endif
\ No newline at end of file