remove lots of accumulated crud:

- delete utility files which contained functionality that is now elsewhere
  (or saved the files away for now)
- cleanup Makefile (remove unnecessary deps)
- minor adjustments to godoc, fixed a couple of bugs
- make pretty.go self-contained

TBR=r
DELTA=625  (81 added, 510 deleted, 34 changed)
OCL=27700
CL=27702

1 files changed, 0 insertions, 91 deletions

diff --git a/usr/gri/pretty/utils.go b/usr/gri/pretty/utils.go
deleted file mode 100644
index baacc75de..000000000
--- a/usr/gri/pretty/utils.go
+++ /dev/null
@@ -1,91 +0,0 @@
-// Copyright 2009 The Go Authors.  All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package Utils
-
-
-func BaseName(s string) string {
-	// TODO this is not correct for non-ASCII strings!
-	i := len(s) - 1;
-	for i >= 0 && s[i] != '/' {
-		if s[i] > 128 {
-			panic("non-ASCII string");
-		}
-		i--;
-	}
-	return s[i + 1 : len(s)];
-}
-
-
-func cleanPath(s string) string {
-	for i := 0; i < len(s); i++ {
-		if s[i] == '/' {
-			i++;
-			j := i;
-			for j < len(s) && s[j] == '/' {
-				j++;
-			}
-			if j > i {  // more then one '/'
-				return s[0 : i] + cleanPath(s[j : len(s)]);
-			}
-		}
-	}
-	return s;
-}
-
-
-// Reduce sequences of multiple '/'s into a single '/' and
-// strip any trailing '/' (may result in the empty string).
-func SanitizePath(s string) string {
-	s = cleanPath(s);
-	if s[len(s)-1] == '/' {  // strip trailing '/'
-		s = s[0 : len(s)-1];
-	}
-	return s;
-}
-
-
-func Contains(s, sub string, pos int) bool {
-	end := pos + len(sub);
-	return pos >= 0 && end <= len(s) && s[pos : end] == sub;
-}
-
-
-func TrimExt(s, ext string) string {
-	i := len(s) - len(ext);
-	if i >= 0 && s[i : len(s)] == ext {
-		s = s[0 : i];
-	}
-	return s;
-}
-
-
-func IntToString(x, base int) string {
-	x0 := x;
-	if x < 0 {
-		x = -x;
-		if x < 0 {
-			panic("smallest int not handled");
-		}
-	} else if x == 0 {
-		return "0";
-	}
-
-	// x > 0
-	hex := "0123456789ABCDEF";
-	var buf [32] byte;
-	i := len(buf);
-	for x > 0 {
-		i--;
-		buf[i] = hex[x % base];
-		x /= base;
-	}
-
-	if x0 < 0 {
-		i--;
-		buf[i] = '-';
-	}
-
-	return string(buf[i : len(buf)]);
-}