X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Frrd_graph.c;h=6df9b0966b30ed7e89faa8ee3b3143513ec28cf6;hb=674dee5af23a9cf9488f11880368c64a5ad70026;hp=cd5bdfc16f05050a807b5cd22bb12a8c567e8814;hpb=6d3c7a4dbcaab12855cf70d7f22b827190156ae9;p=rrdtool.git

diff --git a/src/rrd_graph.c b/src/rrd_graph.c
index cd5bdfc..6df9b09 100644
--- a/src/rrd_graph.c
+++ b/src/rrd_graph.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * RRDtool 1.2.15  Copyright by Tobi Oetiker, 1997-2006
+ * RRDtool 1.2.18  Copyright by Tobi Oetiker, 1997-2006
  ****************************************************************************
  * rrd__graph.c  produce graphs from data in rrdfiles
  ****************************************************************************/
@@ -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;
 			}
@@ -1443,7 +1446,27 @@ leg_place(image_desc_t *im)
 	} else {
 	    prt_fctn = '\0';
 	}
+	/* only valid control codes */
+        if (prt_fctn != 'l' && 
+	    prt_fctn != 'n' && /* a synonym for l */
+	    prt_fctn != 'r' &&
+	    prt_fctn != 'j' &&
+	    prt_fctn != 'c' &&
+	    prt_fctn != 's' &&
+            prt_fctn != 't' &&
+            prt_fctn != '\0' &&
+            prt_fctn != 'g' ) {
+	       free(legspace);
+	       rrd_set_error("Unknown control code at the end of '%s\\%c'",im->gdes[i].legend,prt_fctn);
+       	       return -1;
+
+	}
+
         /* remove exess space */
+        if ( prt_fctn == 'n' ){
+            prt_fctn='l';
+        }
+
         while (prt_fctn=='g' && 
 	       leg_cc > 0 && 
 	       im->gdes[i].legend[leg_cc-1]==' '){