nwk_byte_order.h

来自「ucos在NEC平台下的移植」· C头文件 代码 · 共 24 行

#ifndef NWK_BYTE_ORDER_H
#define NWK_BYTE_ORDER_H
 #if defined(NWK_DEVICE_BYTE_ORDER_BIG_ENDIAN) && !defined(NWK_DEVICE_BYTE_ORDER_LITTLE_ENDIAN)

#define htons(A)  (A)
#define htonl(A)  (A)
#define ntohs(A)  (A)
#define ntohl(A)  (A)

#elif defined(NWK_DEVICE_BYTE_ORDER_LITTLE_ENDIAN) && !defined(NWK_DEVICE_BYTE_ORDER_BIG_ENDIAN)

#define htons(A)  ((((UINT16)(A) & 0xff00) >> 8) | (((UINT16)(A) & 0x00ff) << 8))
#define htonl(A)  ((((UINT32)(A) & 0xff000000) >> 24) |  (((UINT32)(A) & 0x00ff0000) >> 8)  |  (((UINT32)(A) & 0x0000ff00) << 8)  |(((UINT32)(A) & 0x000000ff) << 24))
#define ntohs      htons
#define ntohl       htonl



#endif

#endif