source: rtems/cpukit/libmisc/shell/utils-ls.c @ 6cdaa85

5
Last change on this file since 6cdaa85 was 6cdaa85, checked in by Sebastian Huber <sebastian.huber@…>, on Oct 4, 2018 at 6:16:45 PM

shell: Use #include "..." for local header files

Update #3375.

  • Property mode set to 100644
File size: 3.2 KB
Line 
1/*      $NetBSD: util.c,v 1.28 2005/06/17 14:36:16 hira Exp $   */
2
3/*
4 * Copyright (c) 1989, 1993, 1994
5 *      The Regents of the University of California.  All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Michael Fischbein.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 *    may be used to endorse or promote products derived from this software
20 *    without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35#ifdef HAVE_CONFIG_H
36#include "config.h"
37#endif
38
39#if 0
40#include <sys/cdefs.h>
41#ifndef lint
42#if 0
43static char sccsid[] = "@(#)util.c      8.5 (Berkeley) 4/28/95";
44#else
45__RCSID("$NetBSD: util.c,v 1.28 2005/06/17 14:36:16 hira Exp $");
46#endif
47#endif /* not lint */
48#endif
49
50#include <sys/types.h>
51#include <sys/stat.h>
52
53#include <ctype.h>
54#include "err.h"
55#include "fts.h"
56#include <limits.h>
57#include <stdio.h>
58#include <stdlib.h>
59#include <string.h>
60#include "vis.h"
61
62#include "extern-ls.h"
63
64#define SIZE_T_MAX 255
65
66int
67safe_print(rtems_shell_ls_globals* globals, const char *src)
68{
69        size_t len;
70        char *name;
71        int flags;
72
73        flags = VIS_NL | VIS_OCTAL;
74        if (f_octal_escape)
75                flags |= VIS_CSTYLE;
76
77        len = strlen(src);
78        if (len != 0 && SIZE_T_MAX/len <= 4) {
79                errx(exit_jump, EXIT_FAILURE, "%s: name too long", src);
80                /* NOTREACHED */
81        }
82
83        name = (char *)malloc(4*len+1);
84        if (name != NULL) {
85                len = strvis(name, src, flags);
86                printf("%s", name);
87                free(name);
88                return len;
89        } else
90                errx(exit_jump, EXIT_FAILURE, "out of memory!");
91                /* NOTREACHED */
92}
93
94int
95printescaped(rtems_shell_ls_globals* globals RTEMS_UNUSED, const char *src)
96{
97        unsigned char c;
98        int n;
99
100        for (n = 0; (c = *src) != '\0'; ++src, ++n)
101                if (isprint(c))
102                        (void)putchar(c);
103                else
104                        (void)putchar('?');
105        return n;
106}
107
108void
109usage(rtems_shell_ls_globals* globals)
110{
111
112        (void)fprintf(stderr,
113            "usage: %s [-AaBbCcdFfghikLlmnopqRrSsTtuWwx1] [file ...]\n",
114            "ls");
115        exit(EXIT_FAILURE);
116        /* NOTREACHED */
117}
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