From 79632147107213eaac2d8e9251126d4d09f6dbb6 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Thu, 17 Sep 2020 17:29:50 +0200
Subject: [PATCH] Use C-compatible isprint() - fixes MSVC builds

---
 libs/ardour/vst3_host.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libs/ardour/vst3_host.cc b/libs/ardour/vst3_host.cc
index 12251d99e1..f7503c78f7 100644
--- a/libs/ardour/vst3_host.cc
+++ b/libs/ardour/vst3_host.cc
@@ -17,6 +17,7 @@
  *
  */
 
+#include <ctype.h>
 #include <algorithm>
 
 #if (__cplusplus >= 201103L)
@@ -769,7 +770,7 @@ RAMStream::hexdump (int64 max_len) const
 		if (true) {
 			for (size_t j = 0; j < row_size; ++j) {
 				if (i + j < length) {
-					if (std::isprint(_data[i + j])) {
+					if (isprint(_data[i + j])) {
 						out << static_cast<char>(_data[i + j]);
 					} else {
 						out << ".";