fix memmory problem in rrd_dump.c

[rrdtool.git] / src / rrd_tune.c

diff --git a/src/rrd_tune.c b/src/rrd_tune.c
index 205869b..5651ad0 100644 (file)
--- a/src/rrd_tune.c
+++ b/src/rrd_tune.c
@@ -1,5 +1,5 @@
 /*****************************************************************************
- * RRDtool 1.2.15  Copyright by Tobi Oetiker, 1997-2006
+ * RRDtool 1.2.19  Copyright by Tobi Oetiker, 1997-2007
  *****************************************************************************
  * change header parameters of an rrd
  *****************************************************************************
@@ -290,7 +290,7 @@ rrd_tune(int argc, char **argv)
                   rrd.ds_def[i].par[DS_min_val].u_val,
                   rrd.ds_def[i].par[DS_max_val].u_val);
                } else {
-               char *buffer;
+               char *buffer = NULL;
                rpn_compact2str((rpn_cdefds_t *) &(rrd.ds_def[i].par[DS_cdef]),rrd.ds_def,&buffer);
                printf("DS[%s] typ: %s\tcdef: %s\n", rrd.ds_def[i].ds_nam,rrd.ds_def[i].dst,buffer);
            free(buffer);