From d134143b55ecb5f7e6f74318acbf04f9e1370af6 Mon Sep 17 00:00:00 2001
From: Richard Jones <rjones@redhat.com>
Date: Fri, 3 Apr 2009 19:08:19 +0100
Subject: Makes a series of non-trivial calls.

---
 daemon/guestfsd.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'daemon/guestfsd.c')

diff --git a/daemon/guestfsd.c b/daemon/guestfsd.c
index eaba7f04..6fc8b19f 100644
--- a/daemon/guestfsd.c
+++ b/daemon/guestfsd.c
@@ -204,6 +204,26 @@ xwrite (int sock, const void *buf, size_t len)
   }
 }
 
+void
+xread (int sock, void *buf, size_t len)
+{
+  int r;
+
+  while (len > 0) {
+    r = read (sock, buf, len);
+    if (r == -1) {
+      perror ("read");
+      exit (1);
+    }
+    if (r == 0) {
+      fprintf (stderr, "read: unexpected end of file on comms socket\n");
+      exit (1);
+    }
+    buf += r;
+    len -= r;
+  }
+}
+
 static void
 usage (void)
 {
-- 
cgit