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[BZ #4647]

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Tomas Janousek  <tjanouse@redhat.com>
            Ulrich Drepper  <drepper@redhat.com>

	[BZ #4647]
	* resolv/res_send.c (send_dg): Remove socket_pf.  Use ipv6_unavail
	member in __res_state, only convaddr4to6 if nssocks[ns] is a PF_INET6
	socket.
	* resolv/resolv.h (__res_state): Add ipv6_unavail member.  Make
	unused member a bitmap.
	* resolv/res_init.c (__res_vinit): Reset ipv6_unavail if IPv6
	servers are configured.

2007-06-18  Jakub Jelinek  <jakub@redhat.com>
This commit is contained in:
Ulrich Drepper
2007-06-18 22:22:57 +00:00
parent 3abee0b7f1
commit ae1ad3aebb
10 changed files with 51 additions and 15 deletions
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6
resolv/resolv.h
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@@ -110,21 +110,25 @@ struct __res_state {
nsaddr_list[MAXNS]; /* address of name server */
# define nsaddr nsaddr_list[0] /* for backward compatibility */
u_short id; /* current message id */
/* 2 byte hole here. */
char *dnsrch[MAXDNSRCH+1]; /* components of domain to search */
char defdname[256]; /* default domain (deprecated) */
u_long pfcode; /* RES_PRF_ flags - see below. */
unsigned ndots:4; /* threshold for initial abs. query */
unsigned nsort:4; /* number of elements in sort_list[] */
char unused[3];
unsigned ipv6_unavail:1; /* connecting to IPv6 server failed */
unsigned unused:23;
struct {
struct in_addr addr;
u_int32_t mask;
} sort_list[MAXRESOLVSORT];
/* 4 byte hole here on 64-bit architectures. */
res_send_qhook qhook; /* query hook */
res_send_rhook rhook; /* response hook */
int res_h_errno; /* last one set for this context */
int _vcsock; /* PRIVATE: for res_send VC i/o */
u_int _flags; /* PRIVATE: see below */
/* 4 byte hole here on 64-bit architectures. */
union {
char pad[52]; /* On an i386 this means 512b total. */
struct {