#!/bin/sh
# This generates mercury_getopt*.[ch] from the files in ../getopt

chmod 644 mercury_getopt.h mercury_getopt.c mercury_getopt_long.c

for file in getopt.h getopt.c getopt_long.c
do
	echo processing mercury_$file
	cp ../getopt/$file mercury_$file
	ex mercury_$file << END
	g/#include/s/getopt/mercury_getopt/
	g/\<getopt\(.*(\)/s//MR_getopt\1/g
	g/\<optarg\>/s//MR_optarg/g
	g/\<optind\>/s//MR_optind/g
	g/\<opterr\>/s//MR_opterr/g
	g/\<optopt\>/s//MR_optopt/g
	g/\<optreset\>/s//MR_optreset/g
	g/\<__optpos\>/s//MR__optpos/g
	g/\<__optreset\>/s//MR__optreset/g
	g/\<__getopt_msg\>/s//MR__getopt_msg/g
	g/\<struct option\>/s//struct MR_option/g
	g/\<no_argument\>/s//MR_no_argument/g
	g/\<required_argument\>/s//MR_required_argument/g
	g/\<optional_argument\>/s//MR_optional_argument/g
	g/\<_GETOPT_H\>/s//MERCURY_GETOPT_H/g
	w
	q
END
done

chmod 444 mercury_getopt.h mercury_getopt.c mercury_getopt_long.c