freebsd-dev/usr.bin/asa/asa.c

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/* $NetBSD: asa.c,v 1.11 1997/09/20 14:55:00 lukem Exp $ */
/*
* Copyright (c) 1993,94 Winning Strategies, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Winning Strategies, Inc.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#if 0
#ifndef lint
__RCSID("$NetBSD: asa.c,v 1.11 1997/09/20 14:55:00 lukem Exp $");
#endif
#endif
__FBSDID("$FreeBSD$");
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
static void asa(FILE *);
static void usage(void);
int
main(int argc, char *argv[])
{
int ch, exval;
FILE *fp;
const char *fn;
while ((ch = getopt(argc, argv, "")) != -1) {
switch (ch) {
case '?':
default:
usage();
/*NOTREACHED*/
}
}
argc -= optind;
argv += optind;
exval = 0;
if (argc == 0)
asa(stdin);
else {
while ((fn = *argv++) != NULL) {
if ((fp = fopen(fn, "r")) == NULL) {
warn("%s", fn);
exval = 1;
continue;
}
asa(fp);
fclose(fp);
}
}
exit(exval);
}
static void
usage(void)
{
fprintf(stderr, "usage: asa [file...]\n");
exit(1);
}
static void
asa(FILE *f)
{
size_t len;
char *buf;
if ((buf = fgetln(f, &len)) != NULL) {
if (buf[len - 1] == '\n')
buf[--len] = '\0';
/* special case the first line */
switch (buf[0]) {
case '0':
putchar('\n');
break;
case '1':
putchar('\f');
break;
}
if (len > 1 && buf[0] && buf[1])
printf("%.*s", (int)(len - 1), buf + 1);
while ((buf = fgetln(f, &len)) != NULL) {
if (buf[len - 1] == '\n')
buf[--len] = '\0';
switch (buf[0]) {
default:
case ' ':
putchar('\n');
break;
case '0':
putchar('\n');
putchar('\n');
break;
case '1':
putchar('\f');
break;
case '+':
putchar('\r');
break;
}
if (len > 1 && buf[0] && buf[1])
printf("%.*s", (int)(len - 1), buf + 1);
}
putchar('\n');
}
}