Fixed dbf (DBFCreate_MW and DBFOpen_MW) to use correct utf-8 path.

Author: sweco-sedahd

src/Shapefile/dbf.cpp

@@ -12,19 +12,41 @@
 
 DBFHandle SHPAPI_CALL DBFOpen_MW( CStringW pszFilename, const char * pszAccess )
 {
-	CStringA nameA = Utility::ConvertToAnsi1252(pszFilename);
+	CStringA nameA = Utility::ConvertToUtf8(pszFilename);
+
+	// Save current locale, then switch CRT to UTF-8 so fopen() inside DBFOpen
+	// interprets the path bytes as UTF-8 instead of the system ANSI code page.
+	// Requires Windows 10 1803 or later.
+	CStringA prevLocale = setlocale(LC_ALL, nullptr);
+	setlocale(LC_ALL, ".UTF8");
+
 	m_globalSettings.SetGdalUtf8(true);
 	DBFHandle handle = DBFOpen(nameA, pszAccess);
 	m_globalSettings.SetGdalUtf8(false);
+
+	// Restore previous locale
+	setlocale(LC_ALL, prevLocale);
+
 	return handle;
 }
 
 DBFHandle SHPAPI_CALL DBFCreate_MW( CStringW nameW )
 {
-	CStringA nameA = Utility::ConvertToAnsi1252(nameW);
+	CStringA nameA = Utility::ConvertToUtf8(nameW);
+
+	// Save current locale, then switch CRT to UTF-8 so fopen() inside DBFCreate
+	// interprets the path bytes as UTF-8 instead of the system ANSI code page.
+	// Requires Windows 10 1803 or later.
+	CStringA prevLocale = setlocale(LC_ALL, nullptr);
+	setlocale(LC_ALL, ".UTF8");
+
 	m_globalSettings.SetGdalUtf8(true);
 	DBFHandle handle = DBFCreate(nameA);
 	m_globalSettings.SetGdalUtf8(false);
+
+	// Restore previous locale
+	setlocale(LC_ALL, prevLocale);
+
 	return handle;
 }