samba-mirror/source4/script/find_unused_options.sh

#!/bin/sh
#
# this script finds unused lp_*() functions
#
# use it like this:
#
#   user@host:~/samba/source>./script/find_unused_options.sh
#

LIST_GLOBAL=$(grep '^FN_GLOBAL' param/loadparm.c | sed -e's/^FN_GLOBAL.*(\(.*\).*,.*\(&Globals\..*\)).*/\1:\2/')

LIST_LOCAL=$(grep '^FN_LOCAL' param/loadparm.c | sed -e's/^FN_LOCAL.*(\(.*\).*,[ ]*\(.*\)).*/\1:\2/')

CFILES=$(find . -name "*.c")

for i in $LIST_GLOBAL; do
	key=$(echo $i | cut -d ':' -f1)
	val=$(echo $i | cut -d ':' -f2)

	found=$(grep "${key}[ ]*()" $CFILES)
	if test -z "$found"; then
		echo "Not Used Global: $key() -> $val"
	fi
done

for i in $LIST_LOCAL; do
	key=$(echo $i | cut -d ':' -f1)
	val=$(echo $i | cut -d ':' -f2)

	found=$(grep "${key}[ ]*(" $CFILES)

	if test -z "$found"; then
		echo "Not Used LOCAL: $key() -> $val"
	fi
done

echo "# do a 'make clean;make everything' before removing anything!"