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- #!/bin/sh
- # 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 with 4-space
- # continuations to 4-space indentation with 2-space continuations:
- #
- # reindent 3 4 "\t " " " < example.c > example.c_4_2
- # and to restore the file back to libpng coding style
- # reindent 4 3 " " " " < example.c_4_2 > example.c_3_4
- unexpand --first-only --t $1 | \
- sed -e "/^ *$3[^\*]/{s/$3/$4/}" | \
- expand -t $2
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