Fix build issues with Visual Studio 2017

CMakeLists.txt

@@ -43,6 +43,11 @@ include(CheckSymbolExists)
 include(CMakePushCheckState)
 include(CheckCXXCompilerFlag)
 
+
+if(MSVC)
+    add_definitions(-D_CRT_SECURE_NO_WARNINGS)
+endif()
+
 # find_package should be invoked here to check for libraries - however do NOT
 # call include_directories here (see below)
 

tester/belr-tester.cpp

@@ -42,8 +42,8 @@ int main(int argc, char *argv[]) {
 
 	if (strstr(argv[0], ".libs")) {
 		int prefix_length = (int)(strstr(argv[0], ".libs") - argv[0]) + 1;
-		char prefix[200];
-		sprintf(prefix, "%s%.*s", argv[0][0] == '/' ? "" : "./", prefix_length, argv[0]);
+		char prefix[200] = { 0 };
+		snprintf(prefix, sizeof(prefix)-1, "%s%.*s", argv[0][0] == '/' ? "" : "./", prefix_length, argv[0]);
 		bc_tester_set_resource_dir_prefix(prefix);
 		bc_tester_set_writable_dir_prefix(prefix);
 	}

tester/grammar-tester.cpp

@@ -41,7 +41,7 @@ static bool parseMessage(shared_ptr<Grammar> grammar,  const string &message) {
 	shared_ptr<DebugElement> elem = parser->parseInput("sip-message", message, &pos);
 	BC_ASSERT_TRUE(elem != nullptr);
 	if (!elem) return FALSE;
-	BC_ASSERT_EQUAL(pos, message.size(), int, "%i");
+	BC_ASSERT_EQUAL((int)pos, (int)message.size(), int, "%i");
 	BC_ASSERT_TRUE(message == elem->getValue());
 	
 	return message.size() == pos && message == elem->getValue();