From: Ulrich Drepper <drepper@redhat.com>
Date: Wed, 19 Nov 1997 23:23:16 +0000 (+0000)
Subject: Make sure h_errno is set correctly when returning an error.
X-Git-Tag: cvs/glibc-2_0_6-pre2~28
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=11e0388374f9f4de5d38f2e513df4991642e8c82;p=thirdparty%2Fglibc.git

Make sure h_errno is set correctly when returning an error.
---

diff --git a/resolv/nss_dns/dns-host.c b/resolv/nss_dns/dns-host.c
index f7721840b74..ee3f7e8d796 100644
--- a/resolv/nss_dns/dns-host.c
+++ b/resolv/nss_dns/dns-host.c
@@ -158,7 +158,10 @@ _nss_dns_gethostbyname2_r (const char *name, int af, struct hostent *result,
 
   n = res_search (name, C_IN, type, host_buffer.buf, sizeof (host_buffer.buf));
   if (n < 0)
-    return errno == ECONNREFUSED ? NSS_STATUS_UNAVAIL : NSS_STATUS_NOTFOUND;
+    {
+      *h_errnop = h_errno;
+      return errno == ECONNREFUSED ? NSS_STATUS_UNAVAIL : NSS_STATUS_NOTFOUND;
+    }
 
   return getanswer_r (&host_buffer, n, name, type, result, buffer, buflen,
 		      h_errnop);
@@ -251,12 +254,18 @@ _nss_dns_gethostbyaddr_r (const char *addr, int len, int af,
   n = res_query (qbuf, C_IN, T_PTR, (u_char *)host_buffer.buf,
 		 sizeof host_buffer);
   if (n < 0)
-    return errno == ECONNREFUSED ? NSS_STATUS_UNAVAIL : NSS_STATUS_NOTFOUND;
+    {
+      *h_errnop = h_errno;
+      return errno == ECONNREFUSED ? NSS_STATUS_UNAVAIL : NSS_STATUS_NOTFOUND;
+    }
 
   status = getanswer_r (&host_buffer, n, qbuf, T_PTR, result, buffer, buflen,
 			h_errnop);
   if (status != NSS_STATUS_SUCCESS)
-    return status;
+    {
+      *h_errnop = h_errno;
+      return status;
+    }
 
 #ifdef SUNSECURITY
   This is not implemented because it is not possible to use the current