Suppress potentially uninitialized warnings under MSVC (#40)

* Added pragmas for MSVC and Clang to disable "maybe-unitialized" warnings

* Fixed duplicated #endif

* Add

* Excluded clang on windows from Travis-CI

Author: DuffsDevice

.travis.yml

@@ -3,10 +3,16 @@ language: cpp
 os:
   - linux
   - osx
+  - windows
 
 compiler:
   - gcc
   - clang
 
 script:
   - $CXX -std=c++11 -Wall -Wextra -pedantic -Wno-attributes -I. test/test.cpp
+  
+jobs:
+  exclude:
+  - os: windows
+    compiler: clang

tinyutf8.h

@@ -52,10 +52,16 @@
 	#endif
 #endif
 
-//! Remove -Wmaybe-uninitialized, since it is wrong for all cases in this file
-#if defined (__GNUC__)
+//! Remove Warning "-Wmaybe-uninitialized" (GCC/Clang) resp. "C4703" (MSVC), since it is wrong for all cases in this file
+#if defined (__clang__)
+#pragma clang diagnostic ignored "-Wmaybe-uninitialized"
+#pragma clang diagnostic push
+#elif defined (__GNUC__)
 #pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
 #pragma GCC diagnostic push
+#elif defined (_MSC_VER)
+#pragma warning(push)
+#pragma warning(disable:4703)
 #endif
 
 namespace tiny_utf8_detail
@@ -4425,8 +4431,12 @@ std::istream& operator>>( std::istream& stream , utf8_string& str ){
 
 #endif // TINY_UTF8_FORWARD_DECLARE_ONLY
 
-#if defined (__GNUC__)
+#if defined (__clang__)
+#pragma clang diagnostic pop
+#elif defined (__GNUC__)
 #pragma GCC diagnostic pop
+#elif defined (_MSC_VER)
+#pragma warning(pop)
 #endif
 
 #endif // _TINY_UTF8_H_