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hgfs: format hashes in ther full length

--- a/sys/src/cmd/hgfs/hash.c

+++ b/sys/src/cmd/hgfs/hash.c

@@ -10,12 +10,11 @@

 int

 Hfmt(Fmt *f)

 {

-	uchar *p;

-

-	p = va_arg(f->args, uchar*);

-	return fmtprint(f, 

-		"%.2x%.2x%.2x%.2x%.2x%.2x",

-		p[0], p[1], p[2], p[3], p[4], p[5]);

+	uchar *p, *e;

+	for(p = va_arg(f->args, uchar*), e = p + HASHSZ; p != e; p++)

+		if(fmtprint(f, "%.2x", *p) < 0)

+			return -1;

+	return 0;

 }

 int

-- 

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