resolve snprintf overflow warning by using sizeof -- Anna Bernathova suse cz

git-svn-id: svn://svn.oetiker.ch/rrdtool/branches/1.2/program@979 a5681a0c-68f1-0310-ab6d-d61299d08faa

diff --git a/src/rrd_tool.c b/src/rrd_tool.c
index 6abcaf2..b493cba 100644 (file)
--- a/src/rrd_tool.c
+++ b/src/rrd_tool.c
@@ -724,9 +724,9 @@ int HandleInputLine(int argc, char **argv, FILE* out)
            for (j = 0; j < col_cnt; j++) {
              rrd_value_t newval = DNAN;
               if (enumds == 1)
-               snprintf(vtag,15,"%s%lu", COL_DATA_TAG, j);
+               snprintf(vtag,sizeof(vtag),"%s%lu", COL_DATA_TAG, j);
              else
-               snprintf(vtag,15,"%s",COL_DATA_TAG);
+               snprintf(vtag,sizeof(vtag),"%s",COL_DATA_TAG);
               
              newval = *ptr;
              if(isnan(newval)){