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From: Hajimu UMEMOTO <ume@FreeBSD.org>
Date: Sun, 29 Aug 2010 03:53:18 +0000 (UTC)
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	svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org
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Subject: svn commit: r211956 - stable/8/lib/libc/net
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Author: ume
Date: Sun Aug 29 03:53:17 2010
New Revision: 211956
URL: http://svn.freebsd.org/changeset/base/211956

Log:
  MFC r211340: Correct the return code from _dns_gethostby*()
  to correspond with h_errno.

Modified:
  stable/8/lib/libc/net/gethostbydns.c
Directory Properties:
  stable/8/lib/libc/   (props changed)
  stable/8/lib/libc/locale/   (props changed)
  stable/8/lib/libc/stdtime/   (props changed)
  stable/8/lib/libc/sys/   (props changed)

Modified: stable/8/lib/libc/net/gethostbydns.c
==============================================================================
--- stable/8/lib/libc/net/gethostbydns.c	Sun Aug 29 02:51:17 2010	(r211955)
+++ stable/8/lib/libc/net/gethostbydns.c	Sun Aug 29 03:53:17 2010	(r211956)
@@ -522,18 +522,26 @@ _dns_gethostbyname(void *rval, void *cb_
 		free(buf);
 		dprintf("res_nsearch failed (%d)\n", n, statp);
 		*h_errnop = statp->res_h_errno;
-		return (0);
+		return (NS_NOTFOUND);
 	} else if (n > sizeof(buf->buf)) {
 		free(buf);
 		dprintf("static buffer is too small (%d)\n", n, statp);
 		*h_errnop = statp->res_h_errno;
-		return (0);
+		return (NS_UNAVAIL);
 	}
 	error = gethostanswer(buf, n, name, type, &he, hed, statp);
 	free(buf);
 	if (error != 0) {
 		*h_errnop = statp->res_h_errno;
-		return (NS_NOTFOUND);
+		switch (statp->res_h_errno) {
+		case HOST_NOT_FOUND:
+			return (NS_NOTFOUND);
+		case TRY_AGAIN:
+			return (NS_TRYAGAIN);
+		default:
+			return (NS_UNAVAIL);
+		}
+		/*NOTREACHED*/
 	}
 	if (__copy_hostent(&he, hptr, buffer, buflen) != 0) {
 		*errnop = errno;
@@ -632,7 +640,15 @@ _dns_gethostbyaddr(void *rval, void *cb_
 	if (gethostanswer(buf, n, qbuf, T_PTR, &he, hed, statp) != 0) {
 		free(buf);
 		*h_errnop = statp->res_h_errno;
-		return (NS_NOTFOUND);	/* h_errno was set by gethostanswer() */
+		switch (statp->res_h_errno) {
+		case HOST_NOT_FOUND:
+			return (NS_NOTFOUND);
+		case TRY_AGAIN:
+			return (NS_TRYAGAIN);
+		default:
+			return (NS_UNAVAIL);
+		}
+		/*NOTREACHED*/
 	}
 	free(buf);
 #ifdef SUNSECURITY