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[libvirt] PATCH: Handle case of no domains in openvz driver

If running the openvz driver on a machine with no containers currently
defined, it throws an error

  # ./src/virsh --connect openvz:///system list
  libvir: OpenVZ error : internal error Failed to parse vzlist output
   Id Name                 State

This is because of a failure to check for the EOF condition. This patch
adds the missing check


diff -r 1fc0d8258838 src/openvz_conf.c
--- a/src/openvz_conf.c	Tue Aug 19 13:58:56 2008 +0100
+++ b/src/openvz_conf.c	Tue Aug 19 13:59:51 2008 +0100
@@ -534,6 +534,9 @@ openvzGetVPSInfo(virConnectPtr conn) {
             vm = *pnext;
         if (fscanf(fp, "%d %s\n", &veid, status) != 2) {
+            if (feof(fp))
+                break;
             openvzError(conn, VIR_ERR_INTERNAL_ERROR,
                   _("Failed to parse vzlist output"));
             goto error;

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