File: [local] / src / usr.bin / asa / Attic / asa.c (download)
Revision 1.8, Sat May 19 16:11:59 2007 UTC (17 years ago) by moritz
Branch: MAIN
CVS Tags: OPENBSD_4_6_BASE, OPENBSD_4_6, OPENBSD_4_5_BASE, OPENBSD_4_5, OPENBSD_4_4_BASE, OPENBSD_4_4, OPENBSD_4_3_BASE, OPENBSD_4_3, OPENBSD_4_2_BASE, OPENBSD_4_2 Changes since 1.7: +34 -47 lines
- Rewrite argument handling to not pass closed fd's to asa()
- Reorder fgetln() handling to prevent duplicate code
- Some more cleanup
Initial diff from Tobias Stoeckmann.
ok jaredy@
|
/* $OpenBSD: asa.c,v 1.8 2007/05/19 16:11:59 moritz Exp $ */
/* $NetBSD: asa.c,v 1.10 1995/04/21 03:01:41 cgd 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.
*/
#ifndef lint
static char rcsid[] = "$OpenBSD: asa.c,v 1.8 2007/05/19 16:11:59 moritz Exp $";
#endif
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
void asa(FILE *);
__dead void usage(void);
int
main(int argc, char *argv[])
{
int ch;
FILE *fp;
while ((ch = getopt(argc, argv, "")) != -1) {
switch(ch) {
default:
usage();
/* NOTREACHED */
}
}
argc -= optind;
argv += optind;
if (!argc)
asa(stdin);
else
for (; *argv != NULL; argv++) {
if ((fp = fopen(*argv, "r")) == NULL) {
warn("%s", *argv);
continue;
}
asa(fp);
fclose(fp);
}
exit(0);
}
void
asa(FILE *f)
{
char *buf, *lbuf = NULL;
size_t len;
int firstline = 1;
while ((buf = fgetln(f, &len)) != NULL) {
if (buf[len - 1] == '\n')
buf[len - 1] = '\0';
else {
if ((lbuf = malloc(len + 1)) == NULL)
err(1, NULL);
memcpy(lbuf, buf, len);
lbuf[len] = '\0';
buf = lbuf;
}
/* special case the first line */
if (firstline) {
firstline = 0;
switch (buf[0]) {
case '0':
putchar ('\n');
break;
case '1':
putchar ('\f');
break;
}
} else {
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 (buf[0] && buf[1]) {
fputs (&buf[1], stdout);
}
}
free(lbuf);
if (!firstline)
putchar ('\n');
}
__dead void
usage(void)
{
extern char *__progname;
fprintf(stderr, "usage: %s [file ...]\n", __progname);
exit(1);
}