3 # reindent a libpng C source
5 # COPYRIGHT: Written by Glenn Randers-Pehrson, 2016.
6 # To the extent possible under law, the author has waived all copyright and
7 # related or neighboring rights to this work. This work is published from:
11 # reindent inputtabsize outputtabsize inputcontinuestring outputcontinuestring
13 # Assumes that continued lines begin with indentation plus one space, and
14 # that continued comments begin with indentation plus " *".
16 # eg, to change libpng coding style from 3-space indentation with 4-space
17 # continuations to 4-space indentation with 2-space continuations:
19 # reindent 3 4 "\t " " " < example.c > example.c_4_2
20 # and to restore the file back to libpng coding style
21 # reindent 4 3 " " " " < example.c_4_2 > example.c_3_4
23 unexpand --first-only --t $1 | \
24 sed -e "/^ *$3[^\*]/{s/$3/$4/}" | \