From 13d7a72e157462f61aa90d3352479c0b4180e069 Mon Sep 17 00:00:00 2001
From: oetiker <oetiker@a5681a0c-68f1-0310-ab6d-d61299d08faa>
Date: Mon, 14 Mar 2011 08:22:46 +0000
Subject: [PATCH] bring spaceing around graph back in line with 1.2 goodness
 ... in connection with no-legend and no title

git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@2179 a5681a0c-68f1-0310-ab6d-d61299d08faa
---
 src/rrd_client.c | 6 ++++--
 src/rrd_graph.c  | 9 ++++++---
 src/rrd_open.c   | 2 +-
 src/rrd_update.c | 4 ++--
 4 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/src/rrd_client.c b/src/rrd_client.c
index 29d1d29..e3790f6 100644
--- a/src/rrd_client.c
+++ b/src/rrd_client.c
@@ -485,13 +485,14 @@ int rrdc_is_connected(const char *daemon_addr) /* {{{ */
     return 0;
   else if (daemon_addr == NULL)
   {
+    char *addr = getenv(ENV_RRDCACHED_ADDRESS);
     /* here we have to handle the case i.e.
      *   UPDATE --daemon ...; UPDATEV (no --daemon) ...
      * In other words: we have a cached connection,
      * but it is not specified in the current command.
      * Daemon is only implied in this case if set in ENV
      */
-    if (getenv(ENV_RRDCACHED_ADDRESS) != NULL)
+    if (addr != NULL && ! strcmp(addr,""))
       return 1;
     else
       return 0;
@@ -655,7 +656,8 @@ int rrdc_connect (const char *addr) /* {{{ */
   if (addr == NULL)
     addr = getenv (ENV_RRDCACHED_ADDRESS);
 
-  if (addr == NULL)
+  if (addr == NULL || ! strcmp(addr,""))
+    addr = NULL;
     return 0;
 
   pthread_mutex_lock(&lock);
diff --git a/src/rrd_graph.c b/src/rrd_graph.c
index d166f07..fa8f0f4 100644
--- a/src/rrd_graph.c
+++ b/src/rrd_graph.c
@@ -2954,6 +2954,9 @@ int graph_size_location(
     if (im->second_axis_legend[0] != '\0') {
         Xvertical2 = im->text_prop[TEXT_PROP_UNIT].size * 2;
     }
+    else{
+        Xvertical2 = Xspacing;
+    }
 
     if (im->title[0] != '\0') {
         /* The title is placed "inbetween" two text lines so it
@@ -2965,7 +2968,7 @@ int graph_size_location(
     }
     else{
         // we have no title; get a little clearing from the top
-        Ytitle = 1.5 * Yspacing;
+        Ytitle = Yspacing;
     }
 
     if (elements) {
@@ -3059,7 +3062,7 @@ int graph_size_location(
 
             /* reserve space for padding below the graph */
         if (im->extra_flags & NOLEGEND) {
-            Ymain -= Yspacing;
+            Ymain -= 0.5*Yspacing;
         }
 
         if (im->watermark[0] != '\0') {
@@ -3119,7 +3122,7 @@ int graph_size_location(
         }
         /* reserve space for padding below the graph */
         if (im->extra_flags & NOLEGEND) {
-            im->yimg += Yspacing;
+            im->yimg += 0.5*Yspacing;
         }
 
         if (im->watermark[0] != '\0') {
diff --git a/src/rrd_open.c b/src/rrd_open.c
index 5f3723f..7c508ff 100644
--- a/src/rrd_open.c
+++ b/src/rrd_open.c
@@ -671,7 +671,7 @@ ssize_t rrd_write(
     
     if((rrd_file->pos + count) > old_size)
     {
-        rrd_set_error("attempting to write beyond end of file");
+        rrd_set_error("attempting to write beyond end of file (%ld + %ld > %ld)",rrd_file->pos, count, old_size);
         return -1;
     }
     memcpy(rrd_simple_file->file_start + rrd_file->pos, buf, count);
diff --git a/src/rrd_update.c b/src/rrd_update.c
index dbf74df..c5917c0 100644
--- a/src/rrd_update.c
+++ b/src/rrd_update.c
@@ -352,14 +352,14 @@ rrd_info_t *rrd_update_v(
     }
 
     opt_daemon = getenv (ENV_RRDCACHED_ADDRESS);
-    if (opt_daemon != NULL) {
+    if (opt_daemon != NULL && ! strcmp(opt_daemon,"")) {
         rrd_set_error ("The \"%s\" environment variable is defined, "
                 "but \"%s\" cannot work with rrdcached. Either unset "
                 "the environment variable or use \"update\" instead.",
                 ENV_RRDCACHED_ADDRESS, argv[0]);
         goto end_tag;
     }
-
+    
     /* need at least 2 arguments: filename, data. */
     if (argc - optind < 2) {
         rrd_set_error("Not enough arguments");
-- 
2.11.0