#!/bin/sh
#
# $Id: cppdef,v 1.6 2006/05/15 17:43:13 vogelke Exp $
#
# NAME:
#    cppdef
#
# SYNOPSIS:
#    cppdef
#
# DESCRIPTION:
#    "cppdef" will find out what strings are defined by cpp.
#    Does not work with GNU preprocessor.
#
# AUTHOR:
#    brandy@tramp.Colorado.EDU (Carl Brandauer)
#    Comments added by Karl Vogel
#    Additional error checking and sed hacking by Ken Phelps

PATH=/bin:/usr/bin
export PATH

CPP=/usr/libexec/cpp0     # BSD
CPP=/usr/sfw/bin/cpp      # Solaris-10
CPP=/usr/lib/cpp          # Solaris

strings -3 $CPP |
sed -n '
/^[a-zA-Z_][a-zA-Z0-9_]*$/{
s/.*/#ifdef &/p
s/.* \(.*\)/"\1";/p
s/.*/#endif/p
}
' | $CPP |sed '
/^[	 ]*$/d
/^#/d
s/.*"\(.*\)".*/\1/'

exit 0