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Update the IP address copy macro so it never relies on any byte alignment.

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This commit is contained in:
Richard Barry 2010-11-08 21:59:23 +00:00
parent 86e6ede04c
commit 3b6ed5341f
1 changed files with 8 additions and 4 deletions
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12
Demo/Common/ethernet/FreeTCPIP/net/uip.h
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@ -73,9 +73,6 @@
{ {
u8_t u8[4]; /* Initializer, must come first!!! */ u8_t u8[4]; /* Initializer, must come first!!! */
u16_t u16[2]; u16_t u16[2];
#if 0
u32_t u32;
#endif
} uip_ip4addr_t; } uip_ip4addr_t;
typedef uip_ip4addr_t uip_ipaddr_t; typedef uip_ip4addr_t uip_ipaddr_t;
#endif /* UIP_CONF_IPV6 */ #endif /* UIP_CONF_IPV6 */
@ -1017,7 +1014,14 @@ CCIF void uip_send( const void *data, int len );
* \hideinitializer * \hideinitializer
*/ */
#ifndef uip_ipaddr_copy #ifndef uip_ipaddr_copy
#define uip_ipaddr_copy( dest, src ) ( ((unsigned long*)dest)[ 0 ] = ((unsigned long *)src)[ 0 ] ) #define uip_ipaddr_copy( dest, src ) \
do \
{ \
(dest)->u8[0] = (src)->u8[0]; \
(dest)->u8[1] = (src)->u8[1]; \
(dest)->u8[2] = (src)->u8[2]; \
(dest)->u8[3] = (src)->u8[3]; \
} while( 0 )
#endif #endif
/** /**