setup examples and clean codebase

src/klein.c

@@ -2,29 +2,43 @@
 
 #include <stdio.h>
 
-int create_surface_klein( unsigned char * path, struct surface * surface )
+/*
+	KLEIN Format:
+		5 bytes with KLEIN
+		1 byte empty for scaling
+		1 byte with the dimention of the surface
+		8 bytes interprated as a long with the number of vertex
+		n bytes with the vertex data of the surface
+		n bytes with the normal data of the surface
+
+	where n is the size of the vertex and normal data that could be 
+	calculated as the dimention of the surface  time the number of vertes 
+	time the size of a 16 bytes float.
+*/
+
+int create_surface_klein(unsigned char *path, struct surface *surface)
 {
 	unsigned long size;
 	char buffer[5];
-	FILE * file = fopen(path, "rb" );
-	if( !file )
+	FILE *file = fopen(path, "rb");
+	if (!file)
 		return 1;
 
-	fread(buffer, 1, 5, file );
+	fread(buffer, 1, 5, file);
 
-	if( strncmp(buffer, "KLEIN", 5 ) )
+	if (strncmp(buffer, "KLEIN", 5))
 		return 1;
 
-	fread(buffer, 1, 1, file );
+	fread(buffer, 1, 1, file);
 	fread(&surface->dim, 1, 1, file);
 	fread(&surface->vertex, 8, 1, file);
-	
+
 	size = surface->dim * surface->vertex;
 
-	surface->data=malloc(16*size );
-	fread(surface->data, 16,size, file);
+	surface->data = malloc(16 * size);
+	fread(surface->data, 16, size, file);
 
-	surface->norm=malloc(16*size );
+	surface->norm = malloc(16 * size);
 	fread(surface->norm, 16, size, file);
 	return 0;
 }