Add gboolean check support.

clang-plugin/printf_check.cc

@@ -75,6 +75,9 @@ namespace rspamd {
 	static bool int32_arg_handler (const Expr *arg,
 			struct PrintfArgChecker *ctx);
 
+	static bool gboolean_arg_handler (const Expr *arg,
+			struct PrintfArgChecker *ctx);
+
 	static bool tok_arg_handler (const Expr *arg,
 			struct PrintfArgChecker *ctx);
 
@@ -187,6 +190,9 @@ namespace rspamd {
 			case 'D':
 				return llvm::make_unique<PrintfArgChecker> (int32_arg_handler,
 						this->pcontext, this->ci);
+			case 'b':
+				return llvm::make_unique<PrintfArgChecker> (gboolean_arg_handler,
+						this->pcontext, this->ci);
 			case 'T':
 				return llvm::make_unique<PrintfArgChecker> (tok_arg_handler,
 						this->pcontext, this->ci);
@@ -350,7 +356,7 @@ namespace rspamd {
 
 			format_specs = {
 					's', 'd', 'l', 'L', 'v', 'V', 'f', 'F', 'g', 'G',
-					'T', 'z', 'D', 'c', 'p', 'P', 'e'
+					'T', 'z', 'D', 'c', 'p', 'P', 'e', 'b'
 			};
 		};
 
@@ -674,6 +680,15 @@ namespace rspamd {
 		return true;
 	}
 
+	static bool
+	gboolean_arg_handler (const Expr *arg, struct PrintfArgChecker *ctx)
+	{
+		return check_builtin_type (arg,
+				ctx,
+				{BuiltinType::Kind::Int}, // gboolean is int in fact
+				"%b");
+	}
+
 	static bool
 	check_struct_type (const Expr *arg, struct PrintfArgChecker *ctx,
 			const std::string &sname, const std::string &fmt)