code: drawterm

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libdraw: remove unused static log2[] array

--- a/include/draw.h

+++ b/include/draw.h

@@ -509,7 +509,5 @@

 extern	void	_twiddlecompressed(uchar*, int);

 extern	int	_compblocksize(Rectangle, int);

-/* XXX backwards helps; should go */

-// extern	int		log2[];	/* was used by libmemlayer/line.c */

 extern	ulong	drawld2chan[];

-extern	void		drawsetdebug(int);

+extern	void	drawsetdebug(int);

--- a/libdraw/arith.c

+++ b/libdraw/arith.c

@@ -166,12 +166,6 @@

 	CMAP8,

 };

-/*

- * was used by libmemlayer/line.c; made static, instead of deleting it,

- * to avoid updating many binaries on sources.

- */

-static int log2[] = { -1, 0, 1, -1, 2, -1, -1, -1, 3, -1, -1, -1, -1, -1, -1, -1, 4, -1, -1, -1, -1, -1, -1, -1, 4 /* BUG */, -1, -1, -1, -1, -1, -1, -1, 5 };

-

 ulong

 setalpha(ulong color, uchar alpha)

 {

--- a/libmemlayer/line.c

+++ b/libmemlayer/line.c

@@ -65,11 +65,6 @@

 		goto Top;

 	}

-	/* XXX */

-	/* this is not the correct set of tests */

-//	if(log2[dst->depth] != log2[src->depth] || log2[dst->depth]!=3)

-//		return;

-

 	/* can't use sutherland-cohen clipping because lines are wide */

 	r = memlinebbox(p0, p1, end0, end1, radius);

 	/*