OpenAL-soft for windows

Engine/lib/openal-soft/OpenAL32/alError.c

@@ -0,0 +1,77 @@
+/**
+ * OpenAL cross platform audio library
+ * Copyright (C) 1999-2000 by authors.
+ * This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ *  License along with this library; if not, write to the
+ *  Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * Or go to http://www.gnu.org/copyleft/lgpl.html
+ */
+
+#include "config.h"
+
+#include <signal.h>
+
+#ifdef HAVE_WINDOWS_H
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#endif
+
+#include "alMain.h"
+#include "AL/alc.h"
+#include "alError.h"
+
+ALboolean TrapALError = AL_FALSE;
+
+ALvoid alSetError(ALCcontext *Context, ALenum errorCode)
+{
+    ALenum curerr = AL_NO_ERROR;
+    if(TrapALError)
+    {
+#ifdef _WIN32
+        /* DebugBreak will cause an exception if there is no debugger */
+        if(IsDebuggerPresent())
+            DebugBreak();
+#elif defined(SIGTRAP)
+        raise(SIGTRAP);
+#endif
+    }
+    ATOMIC_COMPARE_EXCHANGE_STRONG(ALenum, &Context->LastError, &curerr, errorCode);
+}
+
+AL_API ALenum AL_APIENTRY alGetError(void)
+{
+    ALCcontext *Context;
+    ALenum errorCode;
+
+    Context = GetContextRef();
+    if(!Context)
+    {
+        if(TrapALError)
+        {
+#ifdef _WIN32
+            if(IsDebuggerPresent())
+                DebugBreak();
+#elif defined(SIGTRAP)
+            raise(SIGTRAP);
+#endif
+        }
+        return AL_INVALID_OPERATION;
+    }
+
+    errorCode = ATOMIC_EXCHANGE(ALenum, &Context->LastError, AL_NO_ERROR);
+
+    ALCcontext_DecRef(Context);
+
+    return errorCode;
+}