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#!/bin/sh
#
# This script uses the Linux 'indent' utility to re-format C source files
# to match the coding style that I use. It differs from my coding style in that
#
# - I normally put the traiing */ of a multi-line comment on a separate line,
# - I usually align things vertically (like '='in assignments.
#
# Constants
options="-nbad -bap -bbb -nbbo -nbc -bl -bl2 -bls -nbs -cbi2 -ncdw -nce -ci2 -cli0 -cp40 -ncs -nbfda -nbfde -di1 -nfc1 -fca -i2 -l80 -lp -ppi2 -lps -npcs -pmt -nprs -npsl -saf -sai -sbi2 -saw -sc -sob -nss -nut"
usage="USAGE: $0 <in-file> <out-file>"
# Inputs
infile=$1
outfile=$2
# Verify inputs
if [ -z "$infile" ]; then
echo "Missing <in-file>"
echo $usage
exit 1
fi
if [ ! -r $infile ]; then
echo "Readable $nfile does not exist"
exit 1
fi
if [ -z "$outfile" ]; then
echo "Missing <out-file>"
echo $usage
exit 1
fi
if [ -f $outfile ]; then
echo "Removing old $outfile"
rm $outfile || { echo "Failed to remove $outfile" ; exit 1 ; }
fi
# Perform the indentation
indent $options $infile -o $outfile
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