prepare for the release of rrdtool-1.2.21

[rrdtool.git] / src / rrd_tune.c

diff --git a/src/rrd_tune.c b/src/rrd_tune.c
index 3e4557c..4cf0c39 100644 (file)
--- a/src/rrd_tune.c
+++ b/src/rrd_tune.c
@@ -1,5 +1,5 @@
 /*****************************************************************************
- * RRDtool 1.2rc2  Copyright by Tobi Oetiker, 1997-2005
+ * RRDtool 1.2.21  Copyright by Tobi Oetiker, 1997-2007
  *****************************************************************************
  * change header parameters of an rrd
  *****************************************************************************
@@ -61,6 +61,7 @@ rrd_tune(int argc, char **argv)
     double              min;
     double              max;
     char                dst[DST_SIZE];
+    optind = 0; opterr = 0;  /* initialize getopt */
 
 
     if(rrd_open(argv[1],&rrd_file,&rrd, RRD_READWRITE)==-1){
@@ -289,7 +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);