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* Fix an invalid cast on the Alpha architecture caused by sockaddr_in*

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having larger alignment requirements than sockaddr*.
This commit is contained in:
Sam Hocevar 2008-05-19 11:24:41 +00:00 committed by sam
parent bc87eaa365
commit 1c69645f86
1 changed files with 9 additions and 2 deletions
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11
src/lib-fd.c
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@ -261,13 +261,20 @@ int NEW(accept)(int sockfd, struct sockaddr *addr, SOCKLEN_T *addrlen)
return ret; \
if(ret >= 0) \
{ \
const struct sockaddr_in* in = (const struct sockaddr_in *)addr; \
struct sockaddr_in in; \
long int port; \
switch(addr->sa_family) \
{ \
case AF_INET: \
case_AF_INET6 \
port = ntohs(in->sin_port); \
/* We need to copy rather than cast sockaddr* to sockaddr_in* \
* because sockaddr_in* has actually _larger_ alignment on \
* eg. Linux alpha. And we only need sin_port so we only copy \
* this member. */ \
memcpy(&in.sin_port, \
(char const *)addr + ((char *)&in.sin_port - (char *)&in), \
sizeof(in.sin_port)); \
port = ntohs(in.sin_port); \
if(_zz_portwatched(port)) \
break; \
/* Fall through */ \