remove unused liboventi

1 files changed, 0 insertions, 79 deletions

diff --git a/sys/src/liboventi/zero.c b/sys/src/liboventi/zero.c
deleted file mode 100644
index 75acf3bd7..000000000
--- a/sys/src/liboventi/zero.c
+++ /dev/null
@@ -1,79 +0,0 @@
-#include <u.h>
-#include <libc.h>
-#include <oventi.h>
-
-/* score of a zero length block */
-uchar	vtZeroScore[VtScoreSize] = {
-	0xda, 0x39, 0xa3, 0xee, 0x5e, 0x6b, 0x4b, 0x0d, 0x32, 0x55,
-	0xbf, 0xef, 0x95, 0x60, 0x18, 0x90, 0xaf, 0xd8, 0x07, 0x09
-};
-
-
-int
-vtZeroExtend(int type, uchar *buf, int n, int nn)
-{
-	uchar *p, *ep;
-
-	switch(type) {
-	default:
-		memset(buf+n, 0, nn-n);
-		break;
-	case VtPointerType0:
-	case VtPointerType1:
-	case VtPointerType2:
-	case VtPointerType3:
-	case VtPointerType4:
-	case VtPointerType5:
-	case VtPointerType6:
-	case VtPointerType7:
-	case VtPointerType8:
-	case VtPointerType9:
-		p = buf + (n/VtScoreSize)*VtScoreSize;
-		ep = buf + (nn/VtScoreSize)*VtScoreSize;
-		while(p < ep) {
-			memmove(p, vtZeroScore, VtScoreSize);
-			p += VtScoreSize;
-		}
-		memset(p, 0, buf+nn-p);
-		break;
-	}
-	return 1;
-}
-
-int 
-vtZeroTruncate(int type, uchar *buf, int n)
-{
-	uchar *p;
-
-	switch(type) {
-	default:
-		for(p = buf + n; p > buf; p--) {
-			if(p[-1] != 0)
-				break;
-		}
-		return p - buf;
-	case VtRootType:
-		if(n < VtRootSize)
-			return n;
-		return VtRootSize;
-	case VtPointerType0:
-	case VtPointerType1:
-	case VtPointerType2:
-	case VtPointerType3:
-	case VtPointerType4:
-	case VtPointerType5:
-	case VtPointerType6:
-	case VtPointerType7:
-	case VtPointerType8:
-	case VtPointerType9:
-		/* ignore slop at end of block */
-		p = buf + (n/VtScoreSize)*VtScoreSize;
-
-		while(p > buf) {
-			if(memcmp(p - VtScoreSize, vtZeroScore, VtScoreSize) != 0)
-				break;
-			p -= VtScoreSize;
-		}
-		return p - buf;
-	}
-}