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Implement sk_addr_dup().

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[originally from svn r8294]
This commit is contained in:
Simon Tatham
2008-11-08 16:58:55 +00:00
parent 6e2501be77
commit 59691d28a3
3 changed files with 30 additions and 1 deletions
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13
unix/uxnet.c
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@ -88,6 +88,7 @@ struct Socket_tag {
};
struct SockAddr_tag {
int refcount;
const char *error;
enum { UNRESOLVED, UNIX, IP } superfamily;
#ifndef NO_IPV6
@ -193,6 +194,7 @@ SockAddr sk_namelookup(const char *host, char **canonicalname, int address_famil
ret->superfamily = UNRESOLVED;
*realhost = '\0';
ret->error = NULL;
ret->refcount = 1;
#ifndef NO_IPV6
hints.ai_flags = AI_CANONNAME;
@ -275,6 +277,7 @@ SockAddr sk_nonamelookup(const char *host)
#else
ret->addresses = NULL;
#endif
ret->refcount = 1;
return ret;
}
@ -412,7 +415,8 @@ void sk_addrcopy(SockAddr addr, char *buf)
void sk_addr_free(SockAddr addr)
{
if (--addr->refcount > 0)
return;
#ifndef NO_IPV6
if (addr->ais != NULL)
freeaddrinfo(addr->ais);
@ -422,6 +426,12 @@ void sk_addr_free(SockAddr addr)
sfree(addr);
}
SockAddr sk_addr_dup(SockAddr addr)
{
addr->refcount++;
return addr;
}
static Plug sk_tcp_plug(Socket sock, Plug p)
{
Actual_Socket s = (Actual_Socket) sock;
@ -1415,5 +1425,6 @@ SockAddr platform_get_x11_unix_address(const char *display, int displaynum,
ret->addresses = NULL;
ret->naddresses = 0;
#endif
ret->refcount = 1;
return ret;
}