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Diffstat (limited to 'include/utils/ByteOrder.h')
-rw-r--r-- | include/utils/ByteOrder.h | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/include/utils/ByteOrder.h b/include/utils/ByteOrder.h deleted file mode 100644 index baa3a83..0000000 --- a/include/utils/ByteOrder.h +++ /dev/null @@ -1,81 +0,0 @@ -/* - * Copyright (C) 2006 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -// - -#ifndef _LIBS_UTILS_BYTE_ORDER_H -#define _LIBS_UTILS_BYTE_ORDER_H - -#include <stdint.h> -#include <sys/types.h> -#ifdef HAVE_WINSOCK -#include <winsock2.h> -#else -#include <netinet/in.h> -#endif - -/* - * These macros are like the hton/ntoh byte swapping macros, - * except they allow you to swap to and from the "device" byte - * order. The device byte order is the endianness of the target - * device -- for the ARM CPUs we use today, this is little endian. - * - * Note that the byte swapping functions have not been optimized - * much; performance is currently not an issue for them since the - * intent is to allow us to avoid byte swapping on the device. - */ - -static inline uint32_t android_swap_long(uint32_t v) -{ - return (v<<24) | ((v<<8)&0x00FF0000) | ((v>>8)&0x0000FF00) | (v>>24); -} - -static inline uint16_t android_swap_short(uint16_t v) -{ - return (v<<8) | (v>>8); -} - -#define DEVICE_BYTE_ORDER LITTLE_ENDIAN - -#if BYTE_ORDER == DEVICE_BYTE_ORDER - -#define dtohl(x) (x) -#define dtohs(x) (x) -#define htodl(x) (x) -#define htods(x) (x) - -#else - -#define dtohl(x) (android_swap_long(x)) -#define dtohs(x) (android_swap_short(x)) -#define htodl(x) (android_swap_long(x)) -#define htods(x) (android_swap_short(x)) - -#endif - -#if BYTE_ORDER == LITTLE_ENDIAN -#define fromlel(x) (x) -#define fromles(x) (x) -#define tolel(x) (x) -#define toles(x) (x) -#else -#define fromlel(x) (android_swap_long(x)) -#define fromles(x) (android_swap_short(x)) -#define tolel(x) (android_swap_long(x)) -#define toles(x) (android_swap_short(x)) -#endif - -#endif // _LIBS_UTILS_BYTE_ORDER_H |