about summary refs log tree commit diff
path: root/hurd/get-host.c
diff options
context:
space:
mode:
authorRoland McGrath <roland@gnu.org>1999-05-09 10:40:36 +0000
committerRoland McGrath <roland@gnu.org>1999-05-09 10:40:36 +0000
commitdcc7b756c2e7ccf7fe4f65a533361d8f4bac9653 (patch)
tree128e6d813179b0cd21a3c8181add3ec1a7e336ce /hurd/get-host.c
parentd656c8cbfe0ef9c232dea81dde8d1fa2b5107def (diff)
downloadglibc-dcc7b756c2e7ccf7fe4f65a533361d8f4bac9653.tar.gz
glibc-dcc7b756c2e7ccf7fe4f65a533361d8f4bac9653.tar.xz
glibc-dcc7b756c2e7ccf7fe4f65a533361d8f4bac9653.zip
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.
Diffstat (limited to 'hurd/get-host.c')
-rw-r--r--hurd/get-host.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/hurd/get-host.c b/hurd/get-host.c
index f3672ea416..7c55afa0ae 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';