comparison osx/include/lo/lo_endian.h @ 27:fffb975dc0b1

added includes as well

+/*
+ *  Copyright (C) 2004 Steve Harris
+ *
+ *  This program 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.
+ *
+ *  This program 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.
+ *
+ *  $Id$
+ */
+
+#ifndef LO_ENDIAN_H
+#define LO_ENDIAN_H
+
+#include <sys/types.h>
+#include <stdint.h>
+
+#ifdef WIN32
+#include <winsock2.h>
+#include <ws2tcpip.h>
+#else
+#include <netinet/in.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define lo_swap16(x) htons(x)
+
+#define lo_swap32(x) htonl(x)
+
+/* These macros come from the Linux kernel */
+
+#ifndef lo_swap16
+#define lo_swap16(x) \
+({ \
+    uint16_t __x = (x); \
+    ((uint16_t)( \
+	(((uint16_t)(__x) & (uint16_t)0x00ffU) << 8) | \
+	(((uint16_t)(__x) & (uint16_t)0xff00U) >> 8) )); \
+})
+#warning USING UNOPTIMISED ENDIAN STUFF
+#endif
+
+#ifndef lo_swap32
+#define lo_swap32(x) \
+({ \
+    uint32_t __x = (x); \
+    ((uint32_t)( \
+	(((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \
+	(((uint32_t)(__x) & (uint32_t)0x0000ff00UL) <<  8) | \
+	(((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >>  8) | \
+	(((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) )); \
+})
+#endif
+
+#if 0
+#ifndef lo_swap64
+#define lo_swap64(x) \
+({ \
+    uint64_t __x = (x); \
+    ((uint64_t)( \
+	(uint64_t)(((uint64_t)(__x) & (uint64_t)0x00000000000000ffULL) << 56) | \
+	(uint64_t)(((uint64_t)(__x) & (uint64_t)0x000000000000ff00ULL) << 40) | \
+	(uint64_t)(((uint64_t)(__x) & (uint64_t)0x0000000000ff0000ULL) << 24) | \
+	(uint64_t)(((uint64_t)(__x) & (uint64_t)0x00000000ff000000ULL) <<  8) | \
+	(uint64_t)(((uint64_t)(__x) & (uint64_t)0x000000ff00000000ULL) >>  8) | \
+	(uint64_t)(((uint64_t)(__x) & (uint64_t)0x0000ff0000000000ULL) >> 24) | \
+	(uint64_t)(((uint64_t)(__x) & (uint64_t)0x00ff000000000000ULL) >> 40) | \
+	(uint64_t)(((uint64_t)(__x) & (uint64_t)0xff00000000000000ULL) >> 56) )); \
+})
+#endif
+#else
+
+typedef union {
+    uint64_t all;
+    struct {
+	uint32_t a;
+	uint32_t b;
+    } part;
+} lo_split64;
+
+static inline uint64_t lo_swap64(uint64_t x)
+{
+    lo_split64 in, out;
+
+    in.all = x;
+    out.part.a = lo_swap32(in.part.b);
+    out.part.b = lo_swap32(in.part.a);
+
+    return out.all;
+}
+#endif
+
+/* Host to OSC and OSC to Host conversion macros */
+
+#if 0
+#define lo_htoo16(x) (x)
+#define lo_htoo32(x) (x)
+#define lo_htoo64(x) (x)
+#define lo_otoh16(x) (x)
+#define lo_otoh32(x) (x)
+#define lo_otoh64(x) (x)
+#else
+#define lo_htoo16 lo_swap16
+#define lo_htoo32 lo_swap32
+#define lo_htoo64 lo_swap64
+#define lo_otoh16 lo_swap16
+#define lo_otoh32 lo_swap32
+#define lo_otoh64 lo_swap64
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+/* vi:set ts=8 sts=4 sw=4: */