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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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12
windows/winnet.c
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@ -78,6 +78,7 @@ struct Socket_tag {
};
struct SockAddr_tag {
int refcount;
char *error;
int resolved;
#ifndef NO_IPV6
@ -444,6 +445,7 @@ SockAddr sk_namelookup(const char *host, char **canonicalname,
#endif
ret->addresses = NULL;
ret->resolved = FALSE;
ret->refcount = 1;
*realhost = '\0';
if ((a = p_inet_addr(host)) == (unsigned long) INADDR_NONE) {
@ -547,6 +549,7 @@ SockAddr sk_nonamelookup(const char *host)
#endif
ret->addresses = NULL;
ret->naddresses = 0;
ret->refcount = 1;
strncpy(ret->hostname, host, lenof(ret->hostname));
ret->hostname[lenof(ret->hostname)-1] = '\0';
return ret;
@ -708,6 +711,8 @@ void sk_addrcopy(SockAddr addr, char *buf)
void sk_addr_free(SockAddr addr)
{
if (--addr->refcount > 0)
return;
#ifndef NO_IPV6
if (addr->ais && p_freeaddrinfo)
p_freeaddrinfo(addr->ais);
@ -717,6 +722,12 @@ 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;
@ -1677,5 +1688,6 @@ SockAddr platform_get_x11_unix_address(const char *display, int displaynum,
SockAddr ret = snew(struct SockAddr_tag);
memset(ret, 0, sizeof(struct SockAddr_tag));
ret->error = "unix sockets not supported on this platform";
ret->refcount = 1;
return ret;
}