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Back-patch second version of AIX getaddrinfo fix.

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This commit is contained in:
Tom Lane
2006-10-20 01:10:28 +00:00
parent 62fc3b9929
commit 8a6ed093b4
1 changed files with 29 additions and 8 deletions
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37
src/backend/libpq/ip.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/libpq/ip.c,v 1.32.2.2 2006/10/19 17:26:37 tgl Exp $
* $PostgreSQL: pgsql/src/backend/libpq/ip.c,v 1.32.2.3 2006/10/20 01:10:28 tgl Exp $
*
* This file and the IPV6 implementation were initially provided by
* Nigel Kukard <nkukard@lbsd.net>, Linux Based Systems Design
@@ -67,6 +67,8 @@ int
pg_getaddrinfo_all(const char *hostname, const char *servname,
const struct addrinfo * hintp, struct addrinfo ** result)
{
int rc;
/* not all versions of getaddrinfo() zero *result on failure */
*result = NULL;
@@ -75,18 +77,37 @@ pg_getaddrinfo_all(const char *hostname, const char *servname,
return getaddrinfo_unix(servname, hintp, result);
#endif
/* NULL has special meaning to getaddrinfo(). */
rc = getaddrinfo((!hostname || hostname[0] == '\0') ? NULL : hostname,
servname, hintp, result);
#ifdef _AIX
/*
* It seems AIX's getaddrinfo doesn't reliably zero sin_port when servname
* is NULL, so force the issue.
* It seems some versions of AIX's getaddrinfo don't reliably zero
* sin_port when servname is NULL, so clean up after it.
*/
if (servname == NULL)
servname = "0";
if (servname == NULL && rc == 0)
{
struct addrinfo *addr;
for (addr = *result; addr; addr = addr->ai_next)
{
switch (addr->ai_family)
{
case AF_INET:
((struct sockaddr_in *) addr->ai_addr)->sin_port = htons(0);
break;
#ifdef HAVE_IPV6
case AF_INET6:
((struct sockaddr_in6 *) addr->ai_addr)->sin6_port = htons(0);
break;
#endif
}
}
}
#endif
/* NULL has special meaning to getaddrinfo(). */
return getaddrinfo((!hostname || hostname[0] == '\0') ? NULL : hostname,
servname, hintp, result);
return rc;
}