major engine cleanup. dependency on baselib removed. engine is now C code (not ansi tho). some other cruft removed aswell

1 files changed, 194 insertions, 0 deletions

diff --git a/src/engine/external/glfw/lib/stream.c b/src/engine/external/glfw/lib/stream.c
new file mode 100644
index 00000000..34f75c85
--- /dev/null
+++ b/src/engine/external/glfw/lib/stream.c
@@ -0,0 +1,194 @@
+//========================================================================

+// GLFW - An OpenGL framework

+// File:        stream.c

+// Platform:    Any

+// API version: 2.6

+// WWW:         http://glfw.sourceforge.net

+//------------------------------------------------------------------------

+// Copyright (c) 2002-2006 Camilla Berglund

+//

+// This software is provided 'as-is', without any express or implied

+// warranty. In no event will the authors be held liable for any damages

+// arising from the use of this software.

+//

+// Permission is granted to anyone to use this software for any purpose,

+// including commercial applications, and to alter it and redistribute it

+// freely, subject to the following restrictions:

+//

+// 1. The origin of this software must not be misrepresented; you must not

+//    claim that you wrote the original software. If you use this software

+//    in a product, an acknowledgment in the product documentation would

+//    be appreciated but is not required.

+//

+// 2. Altered source versions must be plainly marked as such, and must not

+//    be misrepresented as being the original software.

+//

+// 3. This notice may not be removed or altered from any source

+//    distribution.

+//

+//========================================================================

+

+

+#include "internal.h"

+

+

+//========================================================================

+// Opens a GLFW stream with a file

+//========================================================================

+

+int _glfwOpenFileStream( _GLFWstream *stream, const char* name, const char* mode )

+{

+    memset( stream, 0, sizeof(_GLFWstream) );

+

+    stream->File = fopen( name, mode );

+    if( stream->File == NULL )

+    {

+	return GL_FALSE;

+    }

+

+    return GL_TRUE;

+}

+

+

+//========================================================================

+// Opens a GLFW stream with a memory block

+//========================================================================

+

+int _glfwOpenBufferStream( _GLFWstream *stream, void *data, long size )

+{

+    memset( stream, 0, sizeof(_GLFWstream) );

+

+    stream->Data = data;

+    stream->Size = size;

+    return GL_TRUE;

+}

+

+

+//========================================================================

+// Reads data from a GLFW stream

+//========================================================================

+

+long _glfwReadStream( _GLFWstream *stream, void *data, long size )

+{

+    if( stream->File != NULL )

+    {

+	return fread( data, 1, size, stream->File );

+    }

+

+    if( stream->Data != NULL )

+    {

+	// Check for EOF

+	if( stream->Position == stream->Size )

+	{

+	    return 0;

+	}

+

+	// Clamp read size to available data

+	if( stream->Position + size > stream->Size )

+	{

+	    size = stream->Size - stream->Position;

+	}

+	

+	// Perform data read

+	memcpy( data, (unsigned char*) stream->Data + stream->Position, size );

+	stream->Position += size;

+	return size;

+    }

+

+    return 0;

+}

+

+

+//========================================================================

+// Returns the current position of a GLFW stream

+//========================================================================

+

+long _glfwTellStream( _GLFWstream *stream )

+{

+    if( stream->File != NULL )

+    {

+	return ftell( stream->File );

+    }

+

+    if( stream->Data != NULL )

+    {

+	return stream->Position;

+    }

+

+    return 0;

+}

+

+

+//========================================================================

+// Sets the current position of a GLFW stream

+//========================================================================

+

+int _glfwSeekStream( _GLFWstream *stream, long offset, int whence )

+{

+    long position;

+

+    if( stream->File != NULL )

+    {

+	if( fseek( stream->File, offset, whence ) != 0 )

+	{

+	    return GL_FALSE;

+	}

+

+	return GL_TRUE;

+    }

+

+    if( stream->Data != NULL )

+    {

+	position = offset;

+

+	// Handle whence parameter

+	if( whence == SEEK_CUR )

+	{

+	    position += stream->Position;

+	}

+	else if( whence == SEEK_END )

+	{

+	    position += stream->Size;

+	}

+	else if( whence != SEEK_SET )

+	{

+	    return GL_FALSE;

+	}

+

+	// Clamp offset to buffer bounds and apply it

+	if( position > stream->Size )

+	{

+	    stream->Position = stream->Size;

+	}

+	else if( position < 0 )

+	{

+	    stream->Position = 0;

+	}

+	else

+	{

+	    stream->Position = position;

+	}

+	

+	return GL_TRUE;

+    }

+

+    return GL_FALSE;

+}

+

+

+//========================================================================

+// Closes a GLFW stream

+//========================================================================

+

+void _glfwCloseStream( _GLFWstream *stream )

+{

+    if( stream->File != NULL )

+    {

+	fclose( stream->File );

+    }

+

+    // Nothing to be done about (user allocated) memory blocks

+

+    memset( stream, 0, sizeof(_GLFWstream) );

+}

+