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[libpng16] Add PD license to new "reindent" tool; remove unused environment var

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I didn't intend to distribute this but it leaked into the libpng16 source,
so here it is.
This commit is contained in:
Glenn Randers-Pehrson 2016-07-14 17:38:35 -05:00
parent baed0e32f9
commit 82d0009885
1 changed files with 14 additions and 5 deletions
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19
contrib/tools/reindent
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@ -1,13 +1,22 @@
#!/bin/sh
# reindent inputabsize outputabsize inputcontinuestring outputcontinuestring
# eg, to change libpng coding style from 3-space indentation to 4-space
#
# reindent 3 4 " " " " < example.c.orig > example.c
# reindent a libpng C source
# COPYRIGHT: Written by Glenn Randers-Pehrson, 2016.
# To the extent possible under law, the author has waived all copyright and
# related or neighboring rights to this work. This work is published from:
# United States.
# Usage:
# reindent inputtabsize outputtabsize inputcontinuestring outputcontinuestring
#
# Assumes that continued lines begin with indentation plus one space, and
# that continued comments begin with indentation plus " *".
#
# eg, to change libpng coding style from 3-space indentation to 4-space
#
# reindent 3 4 " " " " < example.c > example.c_reindented
unexpand --first-only --t $inputtabsize $1 | \
unexpand --first-only --t $1 | \
sed -e "/^ $3[^\*]/{s/ $3/ $4/}" | \
expand -t $2