dns: remove AI_V4MAPPED hint flag on FreeBSD

indutny · indutny · commit 04bea9f9c224 · 2015-01-13T20:36:43.000+03:00
FreeBSD does not support V4MAPPED. PR-URL: nodejs#332 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
diff --git a/lib/dns.js b/lib/dns.js
@@ -106,6 +106,11 @@ exports.lookup = function lookup(hostname, options, callback) {
         hints !== (exports.ADDRCONFIG | exports.V4MAPPED)) {
       throw new TypeError('invalid argument: hints must use valid flags');
     }
+
+    // FIXME(indutny): V4MAPPED on FreeBSD results in EAI_BADFLAGS, because
+    // the libc does not support it
+    if (process.platform === 'freebsd' && family !== 6)
+      hints &= ~exports.V4MAPPED;
   } else {
     family = options >>> 0;
   }

Original file line number	Diff line number	Diff line change
`@@ -106,6 +106,11 @@ exports.lookup = function lookup(hostname, options, callback) {`
`106`	`106`	`hints !== (exports.ADDRCONFIG \| exports.V4MAPPED)) {`
`107`	`107`	`throw new TypeError('invalid argument: hints must use valid flags');`
`108`	`108`	`}`
	`109`	`+`
	`110`	`+ // FIXME(indutny): V4MAPPED on FreeBSD results in EAI_BADFLAGS, because`
	`111`	`+ // the libc does not support it`
	`112`	`+ if (process.platform === 'freebsd' && family !== 6)`
	`113`	`+ hints &= ~exports.V4MAPPED;`
`109`	`114`	`} else {`
`110`	`115`	`family = options >>> 0;`
`111`	`116`	`}`