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fix padding in Lb64encode

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undefined array elements read as "" or (arithmetically) 0
so this is ok and works as the lines below expect it
This commit is contained in:
tg 2017-03-19 21:08:25 +00:00
parent 06b2d53ea2
commit 1dd5ae69ae
1 changed files with 4 additions and 6 deletions
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10
dot.mkshrc
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@ -1,5 +1,5 @@
# $Id$
# $MirOS: src/bin/mksh/dot.mkshrc,v 1.112 2017/03/19 20:59:25 tg Exp $
# $MirOS: src/bin/mksh/dot.mkshrc,v 1.113 2017/03/19 21:08:25 tg Exp $
#-
# Copyright (c) 2002, 2003, 2004, 2006, 2007, 2008, 2009, 2010,
# 2011, 2012, 2013, 2014, 2015, 2016, 2017
@ -330,14 +330,12 @@ function Lb64encode {
else
\\builtin read -raN-1 s
fi
\\builtin typeset -i i=0 n=${#s[*]} j v
\\builtin typeset -i i=0 n=${#s[*]} v
while (( i < n )); do
(( v = s[i++] << 16 ))
(( j = i < n ? s[i++] : 0 ))
(( v |= j << 8 ))
(( j = i < n ? s[i++] : 0 ))
(( v |= j ))
(( v |= s[i++] << 8 ))
(( v |= s[i++] ))
t+=${table[v >> 18]}${table[v >> 12 & 63]}
c=${table[v >> 6 & 63]}
if (( i <= n )); then