From: Roland McGrath <roland@gnu.org>
Date: Sun, 9 May 1999 10:40:36 +0000 (+0000)
Subject: 1999-05-09  Mark Kettenis  <kettenis@gnu.org>
X-Git-Tag: cvs/glibc-2_1_1~49
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=dcc7b756c2e7ccf7fe4f65a533361d8f4bac9653;p=thirdparty%2Fglibc.git

1999-05-09  Mark Kettenis  <kettenis@gnu.org>

* hurd/get-host.c (_hurd_get_host_config): Return an empty value
if the file is empty.
---

diff --git a/hurd/get-host.c b/hurd/get-host.c
index f3672ea416c..7c55afa0aee 100644
--- a/hurd/get-host.c
+++ b/hurd/get-host.c
@@ -63,6 +63,14 @@ _hurd_get_host_config (const char *item, char *buf, size_t buflen)
       __vm_deallocate (__mach_task_self (), (vm_address_t) data, nread);
     }
 
+  /* If the file is empty, give an empty value.  */
+  if (nread == 0)
+    {
+      if (buflen != 0)
+	*buf = '\0';
+      return 0;
+    }
+    
   /* Remove newlines in case someone wrote the file by hand.  */
   while (buf[nread - 1] == '\n')
     buf[--nread] = '\0';