From 41a45a8db0aed728d9dfb5bdfd29528c6447f75b Mon Sep 17 00:00:00 2001
From: Maciej Suminski <maciej.suminski@cern.ch>
Date: Mon, 29 Feb 2016 13:53:56 +0100
Subject: [PATCH] vhdlpp: Avoid unnecessary toupper() call.

---
 vpi/vhdl_textio.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/vpi/vhdl_textio.c b/vpi/vhdl_textio.c
index fc6411b9a..7235d316c 100644
--- a/vpi/vhdl_textio.c
+++ b/vpi/vhdl_textio.c
@@ -92,7 +92,7 @@ static int set_vec_val(s_vpi_vecval* vector, char value, int idx) {
     s_vpi_vecval*v = &vector[idx / BPW];
     PLI_INT32 bit = idx % BPW;
 
-    switch(toupper(value)) {
+    switch(value) {
         case '0':
             v->bval &= ~(1 << bit);
             v->aval &= ~(1 << bit);
@@ -103,11 +103,13 @@ static int set_vec_val(s_vpi_vecval* vector, char value, int idx) {
             v->aval |= (1 << bit);
             break;
 
+        case 'z':
         case 'Z':
             v->bval |= (1 << bit);
             v->aval &= ~(1 << bit);
             break;
 
+        case 'x':
         case 'X':
             v->bval |= (1 << bit);
             v->aval |= (1 << bit);