make rrdupdate realy light as it was intended in the first place -- Peter Breitenlohn...

[rrdtool.git] / src / rrd_graph.c

diff --git a/src/rrd_graph.c b/src/rrd_graph.c
index cd5bdfc..a16734b 100644 (file)
--- a/src/rrd_graph.c
+++ b/src/rrd_graph.c
@@ -7,10 +7,12 @@
 
 #include <sys/stat.h>
 
+#ifdef WIN32
+#include "strftime.h"
+#endif
 #include "rrd_tool.h"
 
-#if defined(_WIN32) && !defined(__CYGWIN__) && !defined(__CYGWIN32__)
-#include "strftime.h"
+#if defined(WIN32) && !defined(__CYGWIN__) && !defined(__CYGWIN32__)
 #include <io.h>
 #include <fcntl.h>
 #endif
@@ -1062,8 +1064,9 @@ data_proc( image_desc_t *im ){
                        ** relevant for min and max
                        */
                        if (finite(paintval) && im->gdes[ii].gf != GF_TICK ) {
-                           if (isnan(minval) || paintval <  minval)
-                               minval = paintval;
+                           if ((isnan(minval) || paintval <  minval ) &&
+                             ! (im->logarithmic && paintval <= 0.0)) 
+                                       minval = paintval;
                            if (isnan(maxval) || paintval >  maxval)
                                maxval = paintval;
                        }