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make ai_errlist struct. this is preparation for RFC3493

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(EAI_NODATA is depricated).

Obtained from:	KAME
This commit is contained in:
ume 2003-10-22 15:41:38 +00:00
parent b9e84a6697
commit 241d46a988
1 changed files with 32 additions and 19 deletions
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51
lib/libc/net/getaddrinfo.c
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@ -239,22 +239,32 @@ static int res_searchN(const char *, struct res_target *);
static int res_querydomainN(const char *, const char *,
struct res_target *);
static char *ai_errlist[] = {
"Success",
"Address family for hostname not supported", /* EAI_ADDRFAMILY */
"Temporary failure in name resolution", /* EAI_AGAIN */
"Invalid value for ai_flags", /* EAI_BADFLAGS */
"Non-recoverable failure in name resolution", /* EAI_FAIL */
"ai_family not supported", /* EAI_FAMILY */
"Memory allocation failure", /* EAI_MEMORY */
"No address associated with hostname", /* EAI_NODATA */
"hostname nor servname provided, or not known", /* EAI_NONAME */
"servname not supported for ai_socktype", /* EAI_SERVICE */
"ai_socktype not supported", /* EAI_SOCKTYPE */
"System error returned in errno", /* EAI_SYSTEM */
"Invalid value for hints", /* EAI_BADHINTS */
"Resolved protocol is unknown", /* EAI_PROTOCOL */
"Unknown error", /* EAI_MAX */
static struct ai_errlist {
const char *str;
int code;
} ai_errlist[] = {
{ "Success", 0, },
#ifdef EAI_ADDRFAMILY
{ "Address family for hostname not supported", EAI_ADDRFAMILY, },
#endif
{ "Temporary failure in name resolution", EAI_AGAIN, },
{ "Invalid value for ai_flags", EAI_BADFLAGS, },
{ "Non-recoverable failure in name resolution", EAI_FAIL, },
{ "ai_family not supported", EAI_FAMILY, },
{ "Memory allocation failure", EAI_MEMORY, },
#ifdef EAI_NODATA
{ "No address associated with hostname", EAI_NODATA, },
#endif
{ "hostname nor servname provided, or not known", EAI_NONAME, },
{ "servname not supported for ai_socktype", EAI_SERVICE, },
{ "ai_socktype not supported", EAI_SOCKTYPE, },
{ "System error returned in errno", EAI_SYSTEM, },
{ "Invalid value for hints", EAI_BADHINTS, },
{ "Resolved protocol is unknown", EAI_PROTOCOL, },
/* backward compatibility with userland code prior to 2553bis-02 */
{ "Address family for hostname not supported", 1, },
{ "No address associated with hostname", 7, },
{ NULL, -1, },
};
/*
@ -314,9 +324,12 @@ char *
gai_strerror(ecode)
int ecode;
{
if (ecode < 0 || ecode > EAI_MAX)
ecode = EAI_MAX;
return ai_errlist[ecode];
struct ai_errlist *p;
for (p = ai_errlist; p->str; p++) {
if (p->code == ecode)
return (char *)p->str;
}
}
void