From 2b6a641cfaa1bd54f567dcf4ad628171b27a821e Mon Sep 17 00:00:00 2001
From: oetiker <oetiker@a5681a0c-68f1-0310-ab6d-d61299d08faa>
Date: Fri, 16 May 2008 12:28:37 +0000
Subject: [PATCH] added --no-header to documentation and fixed implementation

git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk@1359 a5681a0c-68f1-0310-ab6d-d61299d08faa
---
 program/doc/rrddump.pod | 12 +++++++++---
 program/src/rrd_dump.c  | 10 +++++-----
 2 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/program/doc/rrddump.pod b/program/doc/rrddump.pod
index 2e4cd4b2..a698d841 100644
--- a/program/doc/rrddump.pod
+++ b/program/doc/rrddump.pod
@@ -4,11 +4,11 @@ rrddump - dump the contents of an RRD to XML format
 
 =head1 SYNOPSIS
 
-B<rrdtool> B<dump> I<filename.rrd> E<gt> I<filename.xml>
+B<rrdtool> B<dump> S<[B<--no-header>|B<-n>]> I<filename.rrd> E<gt> I<filename.xml>
 
 or 
 
-B<rrdtool> B<dump> I<filename.rrd> I<filename.xml>
+B<rrdtool> B<dump> S<[B<--no-header>|B<-n>]> I<filename.rrd> I<filename.xml>
 
 =head1 DESCRIPTION
 
@@ -20,7 +20,6 @@ manipulate the contents of an B<RRD> file in a somewhat more
 convenient manner.
 
 
-
 =over 8
 
 =item I<filename.rrd>
@@ -32,6 +31,13 @@ The name of the B<RRD> you want to dump.
 The (optional) filename that you want to write the XML output to.
 If not specified, the XML will be printed to stdout.
 
+=item S<[B<--no-header>|B<-n>]>
+
+In rrdtool 1.3, the dump function started producing correct xml-headers.
+Unfortunately the rrdtool restore function from the 1.2 series can not
+handle these headers. With this option you can supress the creatinon of
+the xml headers.
+
 =back
 
 =head1 EXAMPLES
diff --git a/program/src/rrd_dump.c b/program/src/rrd_dump.c
index 0f69e4f9..0feafd72 100644
--- a/program/src/rrd_dump.c
+++ b/program/src/rrd_dump.c
@@ -81,7 +81,7 @@ int rrd_dump_opt_r(
         out_file = stdout;
     }
 
-    if (opt_noheader){
+    if (!opt_noheader){
       fputs("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n", out_file);
       fputs
         ("<!DOCTYPE rrd SYSTEM \"http://oss.oetiker.ch/rrdtool/rrdtool.dtd\">\n",
@@ -473,16 +473,16 @@ int rrd_dump(
         }
     }                   /* while (42) */
 
-    if ((argc - optind) < 2) {
+    if ((argc - optind) < 1 || (argc - optind) > 2) {
         rrd_set_error("usage rrdtool %s [--no-header|-n] "
                       "file.rrd [file.xml]", argv[0]);
         return (-1);
     }
 
-    if (argc == 3) {
-        rc = rrd_dump_opt_r(argv[1], argv[2],opt_noheader);
+    if ((argc - optind) == 2) {
+        rc = rrd_dump_opt_r(argv[optind], argv[optind+1],opt_noheader);
     } else {
-        rc = rrd_dump_opt_r(argv[1], NULL,opt_noheader);
+        rc = rrd_dump_opt_r(argv[optind], NULL,opt_noheader);
     }
 
     return rc;
-- 
2.30.2