introduced \n as an alias for \l since people seem to be using it despite

[rrdtool.git] / src / rrd_graph.c

diff --git a/src/rrd_graph.c b/src/rrd_graph.c
index cd5bdfc..0807188 100644 (file)
--- 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 1.2.16  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 +1446,26 @@ 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 != '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_fcnt == 'n' ){
+            prt_fcnt='l';
+        }
+
         while (prt_fctn=='g' && 
               leg_cc > 0 && 
               im->gdes[i].legend[leg_cc-1]==' '){