X-Git-Url: https://git.octo.it/?p=rrdtool.git;a=blobdiff_plain;f=src%2Frrd_rpncalc.c;h=8dd224000824adcd496a636de3dde210c81123ed;hp=80eb14450eb432c496dd588b9860b22ee8573d7f;hb=327c6498066d67dd7b343b2c677c2e7fe1fb7d98;hpb=06d2116bfef88c41e3a64ca596acdba6ff078c23

diff --git a/src/rrd_rpncalc.c b/src/rrd_rpncalc.c
index 80eb144..8dd2240 100644
--- a/src/rrd_rpncalc.c
+++ b/src/rrd_rpncalc.c
@@ -297,7 +297,8 @@ rpnp_t   *rpn_parse(
     char      vname[MAX_VNAME_LEN + 10];
     char     *old_locale;
 
-    old_locale = setlocale(LC_NUMERIC, "C");
+    old_locale = setlocale(LC_NUMERIC, NULL);
+    setlocale(LC_NUMERIC, "C");
 
     rpnp = NULL;
     expr = (char *) expr_const;
@@ -880,7 +881,7 @@ short rpn_calc(
                 time_t    dur = (time_t) rpnstack->s[stptr];
                 time_t    step = (time_t) rpnp[rpi - 2].step;
 
-                if (output_idx > (int) ceil((float) dur / (float) step)) {
+                if (output_idx + 1 >= (int) ceil((float) dur / (float) step)) {
                     int       ignorenan = (rpnp[rpi].op == OP_TREND);
                     double    accum = 0.0;
                     int       i = 0;