#!/bin/sh

#
# Check that we have no tabs or trailing spaces in the source code
#
nfails=0
nfiles=0
nlines=0
for dir in caca kernel src cxx examples ruby tools; do
  pushd ../$dir >/dev/null
  for x in $(make -s echo-sources); do
    case "$x" in
      *.c|*.cpp|*.h|*.m)
        nfiles=$(($nfiles + 1));
        nlines=$(($nlines + `grep -c . "$x"`)) ;;
      *)
        continue ;;
    esac
    if grep '[[:space:]]$' "$x" >/dev/null 2>&1; then
      echo "error: $dir/$x contains trailing spaces"
      nfails=$(($nfails + 1))
    fi
    if grep '	' "$x" >/dev/null 2>&1; then
      echo "error: $dir/$x contains tabs"
      nfails=$(($nfails + 1))
    fi
  done
  popd >/dev/null
done

echo "$nfiles files, $nlines lines, $nfails errors in source code"

if test "$nfails" != "0"; then
  exit 1
fi

exit 0