EAI_MEMORY is not possible (but would not provide errno if it were)
and EAI_FAIL does not provide errno. treat the latter as EBADMSG to
match how it's handled in gethostbyname2_r (it indicates erroneous or
failure response from the nameserver).
case EAI_OVERFLOW:
return ERANGE;
default:
case EAI_OVERFLOW:
return ERANGE;
default:
- case EAI_MEMORY:
- case EAI_SYSTEM:
+ *err = NO_RECOVERY;
+ return EBADMSG;
+ case EAI_SYSTEM:
*err = NO_RECOVERY;
return errno;
case 0:
*err = NO_RECOVERY;
return errno;
case 0: