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-rw-r--r--shell/math.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/shell/math.c b/shell/math.c
index 4623c979e..a398bcb98 100644
--- a/shell/math.c
+++ b/shell/math.c
@@ -345,7 +345,7 @@ arith_apply(arith_state_t *math_state, operator op, var_or_num_t *numstack, var_
rez++;
else if (op == TOK_POST_DEC || op == TOK_PRE_DEC)
rez--;
- else if (op != TOK_UPLUS) {
+ else /*if (op != TOK_UPLUS) - always true, we drop TOK_UPLUS earlier */ {
/* Binary operators */
arith_t right_side_val;
@@ -770,8 +770,10 @@ evaluate_string(arith_state_t *math_state, const char *expr)
if (lasttok != TOK_NUM) {
switch (op) {
case TOK_ADD:
- op = TOK_UPLUS;
- break;
+ //op = TOK_UPLUS;
+ //break;
+ /* Unary plus does nothing, do not even push it to opstack */
+ continue;
case TOK_SUB:
op = TOK_UMINUS;
break;