Use a common base for a couple exceptions

1 files changed, 18 insertions, 1 deletions

diff --git a/alc/backends/base.h b/alc/backends/base.h
index 07200e0e..db9b2296 100644
--- a/alc/backends/base.h
+++ b/alc/backends/base.h
@@ -8,8 +8,9 @@
 
 #include "AL/alc.h"
 
-#include "alcmain.h"
 #include "albyte.h"
+#include "alcmain.h"
+#include "alexcpt.h"
 
 
 struct ClockLatency {
@@ -79,4 +80,20 @@ protected:
     virtual ~BackendFactory() = default;
 };
 
+namespace al {
+
+class backend_exception final : public base_exception {
+public:
+    [[gnu::format(printf, 3, 4)]]
+    backend_exception(ALCenum code, const char *msg, ...) : base_exception{code}
+    {
+        std::va_list args;
+        va_start(args, msg);
+        setMessage(msg, args);
+        va_end(args);
+    }
+};
+
+} // namespace al
+
 #endif /* ALC_BACKENDS_BASE_H */