|
| From: | Zhenwei Chu |
| Subject: | [lwip-devel] [bug #26134] Insert a dummy u16_t field to prevent alignment exceptions |
| Date: | Mon, 13 Apr 2009 18:53:42 +0000 |
| User-agent: | Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; GTB5; .NET CLR 1.1.4322; .NET CLR 2.0.50727; InfoPath.2; OfficeLiveConnector.1.3; OfficeLivePatch.0.0) |
Follow-up Comment #3, bug #26134 (project lwip):
one more change required:
From:
Etharp.h:
Line98:
/** the ARP message */
struct etharp_hdr {
PACK_STRUCT_FIELD(struct eth_hdr ethhdr);
PACK_STRUCT_FIELD(u16_t hwtype);
PACK_STRUCT_FIELD(u16_t proto);
PACK_STRUCT_FIELD(u16_t _hwlen_protolen);
PACK_STRUCT_FIELD(u16_t opcode);
PACK_STRUCT_FIELD(struct eth_addr shwaddr);
PACK_STRUCT_FIELD(struct ip_addr2 sipaddr);
PACK_STRUCT_FIELD(struct eth_addr dhwaddr);
PACK_STRUCT_FIELD(struct ip_addr2 dipaddr);
} PACK_STRUCT_STRUCT;
To:
Line98:
/** the ARP message */
struct etharp_hdr {
PACK_STRUCT_FIELD(struct eth_hdr ethhdr);
PACK_STRUCT_FIELD(u16_t hwtype);
PACK_STRUCT_FIELD(u16_t proto);
PACK_STRUCT_FIELD(u16_t _hwlen_protolen);
PACK_STRUCT_FIELD(u16_t opcode);
PACK_STRUCT_FIELD(struct eth_addr shwaddr);
/* insert a dummy u16_t field to prevent alignment exceptions */
PACK_STRUCT_FIELD(u16_t unused2);
PACK_STRUCT_FIELD(struct ip_addr2 sipaddr);
PACK_STRUCT_FIELD(struct eth_addr dhwaddr);
/* insert a dummy u16_t field to prevent alignment exceptions */
PACK_STRUCT_FIELD(u16_t unused3);
PACK_STRUCT_FIELD(struct ip_addr2 dipaddr);
} PACK_STRUCT_STRUCT;
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