minix/usr.bin/asa/asa.c

118 lines
3.1 KiB
C
Raw Normal View History

/* $NetBSD: asa.c,v 1.16 2007/06/24 23:23:10 christos 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>
#ifndef lint
__RCSID("$NetBSD: asa.c,v 1.16 2007/06/24 23:23:10 christos Exp $");
#endif
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
static void asa(FILE *);
int main(int, char *[]);
int
/*ARGSUSED*/
main (int argc, char *argv[])
{
FILE *fp;
/* skip progname */
argv++;
if (*argv == NULL)
asa(stdin);
else
do {
if ((fp = fopen(*argv, "r")) == NULL) {
warn("%s", *argv);
continue;
}
asa(fp);
(void)fclose(fp);
} while (*++argv != NULL);
return 0;
}
static void
asa(FILE *f)
{
char *buf;
size_t len;
if ((buf = fgetln(f, &len)) != NULL) {
if (len > 0 && buf[len - 1] == '\n')
buf[--len] = '\0';
/* special case the first line */
switch (buf[0]) {
case '0':
(void)putchar('\n');
break;
case '1':
(void)putchar('\f');
break;
}
if (len > 1 && buf[0] && buf[1])
(void)fwrite(buf + 1, 1, len - 1, stdout);
while ((buf = fgetln(f, &len)) != NULL) {
if (len > 0 && buf[len - 1] == '\n')
buf[--len] = '\0';
switch (buf[0]) {
default:
case ' ':
(void)putchar('\n');
break;
case '0':
(void)putchar('\n');
(void)putchar('\n');
break;
case '1':
(void)putchar('\f');
break;
case '+':
(void)putchar('\r');
break;
}
if (len > 1 && buf[0] && buf[1])
(void)fwrite(buf + 1, 1, len - 1, stdout);
}
(void)putchar('\n');
}
}