From 5c669730a9773624313f82fe1ba3004cf551846b Mon Sep 17 00:00:00 2001
From: dolphin6k <shin1@wmail.plala.or.jp>
Date: Fri, 5 Nov 2021 16:55:23 +0900
Subject: [PATCH] Re-defined iswprint() using GetStringTypeW on windows.

---
 src/tuxpaint.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/tuxpaint.c b/src/tuxpaint.c
index 5f5b14517..cee495092 100644
--- a/src/tuxpaint.c
+++ b/src/tuxpaint.c
@@ -328,6 +328,7 @@ typedef struct safer_dirent
 
 /* Windows */
 
+#include <windows.h>
 #include <unistd.h>
 #include <dirent.h>
 #include <malloc.h>
@@ -336,6 +337,9 @@ typedef struct safer_dirent
 #include <direct.h>
 #include <iconv.h>
 
+#undef min
+#undef max
+
 #define mkdir(path,access)    _mkdir(path)
 
 static void mtw(wchar_t * wtok, char *tok, size_t size)
@@ -365,6 +369,14 @@ static void mtw(wchar_t * wtok, char *tok, size_t size)
 extern int win32_trash(const char *path);
 #endif
 
+#undef iswprint
+int iswprint(wchar_t wc)
+{
+	WORD t;
+	GetStringTypeW(CT_CTYPE1, &wc, 1, &t);
+	return (t & C1_DEFINED) && !(t & C1_CNTRL);
+}
+
 #endif /* WIN32 */
 
 #if defined(__MACOS__)