update r920

doc/Doxyfile

@@ -38,7 +38,7 @@ PROJECT_NAME           = iutest
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.12.99.2
+PROJECT_NUMBER         = 1.12.99.3
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a

include/impl/iutest_port.ipp

@@ -230,6 +230,7 @@ IUTEST_IPP_INLINE bool SetEnvironmentVariable(const char* name, const char* valu
 
 IUTEST_IPP_INLINE bool GetEnvironmentVariable(const char* name, char* buf, size_t size)
 {
+	if( buf == NULL ) return false;
 #if defined(IUTEST_OS_WINDOWS) && !defined(IUTEST_OS_WINDOWS_MOBILE) && !defined(IUTEST_OS_WINDOWS_PHONE) && !defined(IUTEST_OS_WINDOWS_RT)
 	const DWORD ret = ::GetEnvironmentVariableA(name, buf, static_cast<DWORD>(size));
 	if( ret == 0 )

include/iutest_ver.hpp

@@ -17,11 +17,11 @@
 
 //======================================================================
 // define
-#define IUTEST_VER			0x01129902u //!< iutest version 1.12.99.2
+#define IUTEST_VER			0x01129903u //!< iutest version 1.12.99.3
 #define IUTEST_MAJORVER		0x01u		//!< Major Version
 #define IUTEST_MINORVER		0x12u		//!< Minor Version
 #define IUTEST_BUILD		0x99u		//!< Build
-#define IUTEST_REVISION		0x02u		//!< Revision
+#define IUTEST_REVISION		0x03u		//!< Revision
 
 /**
  * @mainpage

test/unit_tests.cpp

@@ -151,6 +151,13 @@ IUTEST(UnitTest, FileLocqtion)
 		, ::iutest::detail::FormatFileLocation("main.cpp", -1) );
 }
 
+IUTEST(UnitTest, GetEnvironmentVariable)
+{
+	char buf[2];
+	IUTEST_EXPECT_FALSE( ::iutest::detail::GetEnvironmentVariable("PATH", buf, sizeof(buf)) );
+	IUTEST_EXPECT_FALSE( ::iutest::detail::GetEnvironmentVariable("PATH", NULL, 0) );
+}
+
 
 #ifdef UNICODE
 int wmain(int argc, wchar_t* argv[])