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/* $NetBSD: util.c,v 1.28 2005/06/17 14:36:16 hira Exp $ */
/*
* Copyright (c) 1989, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Michael Fischbein.
*
* 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. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#if 0
#include <sys/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "@(#)util.c 8.5 (Berkeley) 4/28/95";
#else
__RCSID("$NetBSD: util.c,v 1.28 2005/06/17 14:36:16 hira Exp $");
#endif
#endif /* not lint */
#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <ctype.h>
#include <err.h>
#include <fts.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <vis.h>
#include "extern-ls.h"
#define SIZE_T_MAX 255
int
safe_print(rtems_shell_ls_globals* globals, const char *src)
{
size_t len;
char *name;
int flags;
flags = VIS_NL | VIS_OCTAL;
if (f_octal_escape)
flags |= VIS_CSTYLE;
len = strlen(src);
if (len != 0 && SIZE_T_MAX/len <= 4) {
errx(exit_jump, EXIT_FAILURE, "%s: name too long", src);
/* NOTREACHED */
}
name = (char *)malloc(4*len+1);
if (name != NULL) {
len = strvis(name, src, flags);
printf("%s", name);
free(name);
return len;
} else
errx(exit_jump, EXIT_FAILURE, "out of memory!");
/* NOTREACHED */
}
int
printescaped(rtems_shell_ls_globals* globals __attribute__((unused)), const char *src)
{
unsigned char c;
int n;
for (n = 0; (c = *src) != '\0'; ++src, ++n)
if (isprint(c))
(void)putchar(c);
else
(void)putchar('?');
return n;
}
void
usage(rtems_shell_ls_globals* globals)
{
(void)fprintf(stderr,
"usage: %s [-AaBbCcdFfghikLlmnopqRrSsTtuWwx1] [file ...]\n",
"ls");
exit(EXIT_FAILURE);
/* NOTREACHED */
}
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