prevent small leak when resources are exhausted -- Mike Slifcak

[rrdtool.git] / src / rrd_rpncalc.c

diff --git a/src/rrd_rpncalc.c b/src/rrd_rpncalc.c
index 65748cc..94796d1 100644 (file)
--- a/src/rrd_rpncalc.c
+++ b/src/rrd_rpncalc.c
@@ -153,6 +153,7 @@ void rpn_compact2str(rpn_cdefds_t *rpnc,ds_def_t *ds_def,char **str)
          add_op(OP_NOW,NOW)
          add_op(OP_LTIME,LTIME)
          add_op(OP_TIME,TIME)
+         add_op(OP_ATAN,ATAN)
 
 #undef add_op
               }
@@ -299,6 +300,7 @@ rpn_parse(void *key_hash,char *expr,long (*lookup)(void *,char*)){
        match_op(OP_DUP,DUP)
        match_op(OP_EXC,EXC)
        match_op(OP_POP,POP)
+       match_op(OP_LTIME,LTIME)
        match_op(OP_LT,LT)
        match_op(OP_LE,LE)
        match_op(OP_GT,GT)
@@ -319,8 +321,8 @@ rpn_parse(void *key_hash,char *expr,long (*lookup)(void *,char*)){
        match_op(OP_INF,INF)
        match_op(OP_ISINF,ISINF)
        match_op(OP_NOW,NOW)
-       match_op(OP_LTIME,LTIME)
        match_op(OP_TIME,TIME)
+       match_op(OP_ATAN,ATAN)
 
 #undef match_op
 
@@ -501,6 +503,10 @@ rpn_calc(rpnp_t *rpnp, rpnstack_t *rpnstack, long data_idx,
                stackunderflow(0);
                rpnstack -> s[stptr] = sin(rpnstack -> s[stptr]);
                break;
+           case OP_ATAN:
+               stackunderflow(0);
+               rpnstack -> s[stptr] = atan(rpnstack -> s[stptr]);
+               break;
            case OP_COS:
                stackunderflow(0);
                rpnstack -> s[stptr] = cos(rpnstack -> s[stptr]);