#!/bin/sh -u
#    $0 name
# A lazy compiler script.  Takes one argument - the base name of a
# C program to be compiled.  Compiles the program and changes its mode.
# -IAN! idallen@ncf.ca     March 11, 2002

export PATH=/bin:/usr/bin
umask 022

if [ "$#" -ne 1 ] ; then
	echo 1>&2 "$0: Expecting one argument name, found $# ($*)"
	exit 1	# return a bad exit code
fi

name="$1"
filename="$name.c"

if [ ! -f "$filename" ]; then
	echo 1>&2 "$0: '$filename' is not a file"
	exit 1	# return a bad exit code
fi
if [ ! -r "$filename" ]; then
	echo 1>&2 "$0: '$filename' is not readable"
	exit 1	# return a bad exit code
fi
if [ ! -s "$filename" ]; then
	echo 1>&2 "$0: '$filename' is empty"
	exit 1	# return a bad exit code
fi

gcc -Wall -g -o "$name" "$filename" || exit "$?"

chmod 771 "$name"