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changed uip_buf to a union for 32-bit alignment

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This commit is contained in:
joxe 2010-05-24 10:07:34 +00:00
parent 9db7f06368
commit 2d447502d4
4 changed files with 18 additions and 17 deletions
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11
core/net/uip.h
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@ -47,7 +47,7 @@
*
* This file is part of the uIP TCP/IP stack.
*
* $Id: uip.h,v 1.32 2010/05/08 07:23:55 oliverschmidt Exp $
* $Id: uip.h,v 1.33 2010/05/24 10:07:34 joxe Exp $
*
*/
@ -476,10 +476,17 @@ void uip_reass_over(void);
}
\endcode
*/
typedef union {
uint32_t u32[(UIP_BUFSIZE + 3) / 4];
uint8_t u8[UIP_BUFSIZE];
} uip_buf_t;
#ifdef UIP_CONF_PLAIN_BUFFER
CCIF extern uint8_t uip_buf[UIP_BUFSIZE+2];
#else /* UIP_CONF_PLAIN_BUFFER */
CCIF extern uint8_t * const uip_buf;
CCIF extern uip_buf_t uip_aligned_buf;
#define uip_buf (uip_aligned_buf.u8)
#endif /* UIP_CONF_PLAIN_BUFFER */