Copyright (c) 2019 Mark Jamsek <mark@jamsek.com>

Permission to use, copy, modify, and distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.


netcalc 0.3 IPv4 & IPv6 CIDR Subnet Calculator


Directory listing
-----------------

 README.txt		-  this readme
 netcalc.1		-  man page
 netcalc.c		-  netcalc 0.3 source code
 netcalc.txt		-  netcalc 0.3 browser readable source code
 netcalc03.c		-  netcalc 0.3 source code*
 netcalc_macos		-  netcalc 0.3 macOS binary executable
 netcalc_macos.tar.gz	-  netcalc 0.3 tarball for macOS
 netcalc_openbsd	-  netcalc 0.3 OpenBSD binary executable
 netcalc_openbsd.tar.gz	-  netcalc 0.3 tarball for OpenBSD

 * first upload of netcalc 0.3 when file 'netcalc.c' was still version 0.2


Install
-------

Use one of the following three options to install netcalc.

1. download netcalc.c and build manually

   OpenBSD
	ftp -S do https://jamsek.dev/resources/pub/netcalc/netcalc.c
	cc -Werror -Wall -o netcalc netcalc.c -lm
	doas mv netcalc /usr/local/sbin/
	ftp -S do https://jamsek.dev/resources/pub/netcalc/netcalc.1
	doas mv netcalc.1 /usr/local/man/man1/

   macOS
	curl -O https://jamsek.dev/resources/pub/netcalc/netcalc.c
	cc -Werror -Wall -o netcalc netcalc.c
	sudo mv netcalc /usr/local/bin/
	curl -O https://jamsek.dev/resources/pub/netcalc/netcalc.1
	sudo mv netcalc.1 /usr/share/man/man1/

2. download tarball and run make

   OpenBSD
	ftp -S do https://jamsek.dev/resources/pub/netcalc/netcalc_openbsd.tar.gz
	tar -zxvf netcalc_openbsd.tar.gz
	cd netcalc/src
	make
	doas cp obj/netcalc /usr/local/sbin/
	doas cp ../doc/netcalc.1 /usr/local/man/man1/

   macOS
	curl -O https://jamsek.dev/resources/pub/netcalc/netcalc_macos.tar.gz
	tar -zxvf netcalc_macos.tar.gz
	cd netcalc/src
	make
	sudo cp netcalc /usr/local/bin/
	sudo cp ../doc/netcalc.1 /usr/share/man/man1/

3. download binary executable

   OpenBSD
	ftp -S do https://jamsek.dev/resources/pub/netcalc/netcalc_openbsd
	chmod +x netcalc_openbsd
	doas mv netcalc_openbsd /usr/local/sbin/netcalc
	ftp -S do https://jamsek.dev/resources/pub/netcalc/netcalc.1
	doas mv netcalc.1 /usr/local/man/man1/

   macOS
	curl -O https://jamsek.dev/resources/pub/netcalc/netcalc_macos
	chmod +x netcalc_macos
	sudo mv netcalc_macos /usr/local/bin/netcalc
	curl -O https://jamsek.dev/resources/pub/netcalc/netcalc.1
	sudo mv netcalc.1 /usr/share/man/man1/


Usage
-----

run netcalc with no arguments for basic use or see the man page for more detail:

	man netcalc