/*-
* SPDX-License-Identifier: BSD-3-Clause
*
* 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.
*/
#if 0
#ifndef lint
static char sccsid[] = "@(#)util.c 8.3 (Berkeley) 4/2/94";
#endif /* not lint */
#endif
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#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 <wchar.h>
#include <wctype.h>
#include "ls.h"
#include "extern.h"
int
prn_normal(const char *s)
{
mbstate_t mbs;
wchar_t wc;
int i, n;
size_t clen;
memset(&mbs, 0, sizeof(mbs));
n = 0;
while ((clen = mbrtowc(&wc, s, MB_LEN_MAX, &mbs)) != 0) {
if (clen == (size_t)-2) {
n += printf("%s", s);
break;
}
if (clen == (size_t)-1) {
memset(&mbs, 0, sizeof(mbs));
putchar((unsigned char)*s);
s++;
n++;
continue;
}
for (i = 0; i < (int)clen; i++)
putchar((unsigned char)s[i]);
s += clen;
if (iswprint(wc))
n += wcwidth(wc);
}
return (n);
}
int
prn_printable(const char *s)
{
mbstate_t mbs;
wchar_t wc;
int i, n;
size_t clen;
memset(&mbs, 0, sizeof(mbs));
n = 0;
while ((clen = mbrtowc(&wc, s, MB_LEN_MAX, &mbs)) != 0) {
if (clen == (size_t)-1) {
putchar('?');
s++;
n++;
memset(&mbs, 0, sizeof(mbs));
continue;
}
if (clen == (size_t)-2) {
putchar('?');
n++;
break;
}
if (!iswprint(wc)) {
putchar('?');
s += clen;
n++;
continue;
}
for (i = 0; i < (int)clen; i++)
putchar((unsigned char)s[i]);
s += clen;
n += wcwidth(wc);
}
return (n);
}
/*
* The fts system makes it difficult to replace fts_name with a different-
* sized string, so we just calculate the real length here and do the
* conversion in prn_octal()
*
* XXX when using f_octal_escape (-b) rather than f_octal (-B), the
* length computed by len_octal may be too big. I just can't be buggered
* to fix this as an efficient fix would involve a lookup table. Same goes
* for the rather inelegant code in prn_octal.
*
* DES 1998/04/23
*/
size_t
len_octal(const char *s, int len)
{
mbstate_t mbs;
wchar_t wc;
size_t clen, r;
memset(&mbs, 0, sizeof(mbs));
r = 0;
while (len != 0 && (clen = mbrtowc(&wc, s, len, &mbs)) != 0) {
if (clen == (size_t)-1) {
r += 4;
s++;
len--;
memset(&mbs, 0, sizeof(mbs));
continue;
}
if (clen == (size_t)-2) {
r += 4 * len;
break;
}
if (iswprint(wc))
r++;
else
r += 4 * clen;
s += clen;
}
return (r);
}
int
prn_octal(const char *s)
{
static const char esc[] = "\\\\\"\"\aa\bb\ff\nn\rr\tt\vv";
const char *p;
mbstate_t mbs;
wchar_t wc;
size_t clen;
unsigned char ch;
int goodchar, i, len, prtlen;
memset(&mbs, 0, sizeof(mbs));
len = 0;
while ((clen = mbrtowc(&wc, s, MB_LEN_MAX, &mbs)) != 0) {
goodchar = clen != (size_t)-1 && clen != (size_t)-2;
if (goodchar && iswprint(wc) && wc != L'\"' && wc != L'\\') {
for (i = 0; i < (int)clen; i++)
putchar((unsigned char)s[i]);
len += wcwidth(wc);
} else if (goodchar && f_octal_escape &&
#if WCHAR_MIN < 0
wc >= 0 &&
#endif
wc <= (wchar_t)UCHAR_MAX &&
(p = strchr(esc, (char)wc)) != NULL) {
putchar('\\');
putchar(p[1]);
len += 2;
} else {
if (goodchar)
prtlen = clen;
else if (clen == (size_t)-1)
prtlen = 1;
else
prtlen = strlen(s);
for (i = 0; i < prtlen; i++) {
ch = (unsigned char)s[i];
putchar('\\');
putchar('0' + (ch >> 6));
putchar('0' + ((ch >> 3) & 7));
putchar('0' + (ch & 7));
len += 4;
}
}
if (clen == (size_t)-2)
break;
if (clen == (size_t)-1) {
memset(&mbs, 0, sizeof(mbs));
s++;
} else
s += clen;
}
return (len);
}
void
usage(void)
{
(void)fprintf(stderr,
#ifdef COLORLS
"usage: ls [-ABCFGHILPRSTUWZabcdfghiklmnopqrstuwxy1,] [--color=when] [-D format]"
#else
"usage: ls [-ABCFHILPRSTUWZabcdfghiklmnopqrstuwxy1,] [-D format]"
#endif
" [file ...]\n");
exit(1);
}
