X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Frrd_resize.c;h=cdf88c31df962f43cb27f76eaedf83ed382427be;hb=0cdbc46c70b605d795a1ac3342d1ddddef0d307e;hp=3dbe058a483306db55f2d36a220c9cc324e3054c;hpb=5837606887a6d81e8b1f7588525cb1c8783fb62b;p=rrdtool.git

diff --git a/src/rrd_resize.c b/src/rrd_resize.c
index 3dbe058..cdf88c3 100644
--- a/src/rrd_resize.c
+++ b/src/rrd_resize.c
@@ -1,5 +1,5 @@
 /*****************************************************************************
- * RRDtool 1.0.33  Copyright Tobias Oetiker, 1997 - 2000
+ * RRDtool 1.1.x  Copyright Tobias Oetiker, 1997 - 2002
  *****************************************************************************
  * rrd_resize.c Alters size of an RRA
  *****************************************************************************
@@ -43,7 +43,7 @@ rrd_resize(int argc, char **argv)
     modify=strtol(argv[4],&endptr,0);
 
     if ((modify<1)) {
-        rrd_set_error("you must have at least one row in the RRA");
+        rrd_set_error("Please grow or shrink with at least 1 row");
         return(-1);
     }
 
@@ -67,12 +67,14 @@ rrd_resize(int argc, char **argv)
         fclose(infile);
         return(-1);
     }
-    if ((rrdold.rra_def[target_rra].row_cnt+modify)<0) {
-        rrd_set_error("This RRA is not that big");
-        rrd_free(&rrdold);
-        fclose(infile);
-        return(-1);
-    }
+
+    if (modify < 0)
+	if (rrdold.rra_def[target_rra].row_cnt <= modify) {
+	    rrd_set_error("This RRA is not that big");
+	    rrd_free(&rrdold);
+	    fclose(infile);
+	    return(-1);
+	}
 
     rrdnew.stat_head = rrdold.stat_head;
     rrdnew.ds_def    = rrdold.ds_def;