1139969Simp/*- 21556Srgrimes * Copyright (c) 1989, 1993, 1994 31556Srgrimes * The Regents of the University of California. All rights reserved. 41556Srgrimes * 51556Srgrimes * This code is derived from software contributed to Berkeley by 61556Srgrimes * Michael Fischbein. 71556Srgrimes * 81556Srgrimes * Redistribution and use in source and binary forms, with or without 91556Srgrimes * modification, are permitted provided that the following conditions 101556Srgrimes * are met: 111556Srgrimes * 1. Redistributions of source code must retain the above copyright 121556Srgrimes * notice, this list of conditions and the following disclaimer. 131556Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 141556Srgrimes * notice, this list of conditions and the following disclaimer in the 151556Srgrimes * documentation and/or other materials provided with the distribution. 161556Srgrimes * 4. Neither the name of the University nor the names of its contributors 171556Srgrimes * may be used to endorse or promote products derived from this software 181556Srgrimes * without specific prior written permission. 191556Srgrimes * 201556Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 211556Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 221556Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 231556Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 241556Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 251556Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 261556Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 271556Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 281556Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 291556Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 301556Srgrimes * SUCH DAMAGE. 311556Srgrimes */ 321556Srgrimes 3390153Smarkm#if 0 341556Srgrimes#ifndef lint 3527967Sstevestatic char sccsid[] = "@(#)util.c 8.3 (Berkeley) 4/2/94"; 3690153Smarkm#endif /* not lint */ 3727967Ssteve#endif 38114583Smarkm#include <sys/cdefs.h> 3999109Sobrien__FBSDID("$FreeBSD$"); 401556Srgrimes 411556Srgrimes#include <sys/types.h> 421556Srgrimes#include <sys/stat.h> 431556Srgrimes 441556Srgrimes#include <ctype.h> 4535373Sdes#include <err.h> 461556Srgrimes#include <fts.h> 47128823Stjr#include <limits.h> 481556Srgrimes#include <stdio.h> 491556Srgrimes#include <stdlib.h> 501556Srgrimes#include <string.h> 51128823Stjr#include <wchar.h> 52128823Stjr#include <wctype.h> 531556Srgrimes 541556Srgrimes#include "ls.h" 551556Srgrimes#include "extern.h" 561556Srgrimes 5762597Sassarint 58128823Stjrprn_normal(const char *s) 59128823Stjr{ 60128823Stjr mbstate_t mbs; 61128823Stjr wchar_t wc; 62128823Stjr int i, n; 63128823Stjr size_t clen; 64128823Stjr 65128823Stjr memset(&mbs, 0, sizeof(mbs)); 66128823Stjr n = 0; 67128823Stjr while ((clen = mbrtowc(&wc, s, MB_LEN_MAX, &mbs)) != 0) { 68128823Stjr if (clen == (size_t)-2) { 69128823Stjr n += printf("%s", s); 70128823Stjr break; 71128823Stjr } 72128823Stjr if (clen == (size_t)-1) { 73128823Stjr memset(&mbs, 0, sizeof(mbs)); 74128823Stjr putchar((unsigned char)*s); 75128823Stjr s++; 76128823Stjr n++; 77128823Stjr continue; 78128823Stjr } 79128823Stjr for (i = 0; i < (int)clen; i++) 80128823Stjr putchar((unsigned char)s[i]); 81128823Stjr s += clen; 82128868Stjr if (iswprint(wc)) 83128868Stjr n += wcwidth(wc); 84128823Stjr } 85128823Stjr return (n); 86128823Stjr} 87128823Stjr 88128823Stjrint 8990110Simpprn_printable(const char *s) 901556Srgrimes{ 91128823Stjr mbstate_t mbs; 92128823Stjr wchar_t wc; 93128823Stjr int i, n; 94128823Stjr size_t clen; 951556Srgrimes 96128823Stjr memset(&mbs, 0, sizeof(mbs)); 97128823Stjr n = 0; 98128823Stjr while ((clen = mbrtowc(&wc, s, MB_LEN_MAX, &mbs)) != 0) { 99128823Stjr if (clen == (size_t)-1) { 10062597Sassar putchar('?'); 101128823Stjr s++; 102128823Stjr n++; 103128823Stjr memset(&mbs, 0, sizeof(mbs)); 104128823Stjr continue; 105128823Stjr } 106128823Stjr if (clen == (size_t)-2) { 107128823Stjr putchar('?'); 108128823Stjr n++; 109128823Stjr break; 110128823Stjr } 111128823Stjr if (!iswprint(wc)) { 112128823Stjr putchar('?'); 113128823Stjr s += clen; 114128823Stjr n++; 115128823Stjr continue; 116128823Stjr } 117128823Stjr for (i = 0; i < (int)clen; i++) 118128823Stjr putchar((unsigned char)s[i]); 119128823Stjr s += clen; 120128823Stjr n += wcwidth(wc); 121128823Stjr } 122128823Stjr return (n); 1231556Srgrimes} 1241556Srgrimes 12535373Sdes/* 12635373Sdes * The fts system makes it difficult to replace fts_name with a different- 12735373Sdes * sized string, so we just calculate the real length here and do the 12835373Sdes * conversion in prn_octal() 12935417Sdes * 13035417Sdes * XXX when using f_octal_escape (-b) rather than f_octal (-B), the 13135417Sdes * length computed by len_octal may be too big. I just can't be buggered 13235417Sdes * to fix this as an efficient fix would involve a lookup table. Same goes 13335417Sdes * for the rather inelegant code in prn_octal. 13435417Sdes * 135242807Sgrog * DES 1998/04/23 13635373Sdes */ 13735417Sdes 13890150Smarkmsize_t 13990110Simplen_octal(const char *s, int len) 14035373Sdes{ 141128823Stjr mbstate_t mbs; 142128823Stjr wchar_t wc; 143128823Stjr size_t clen, r; 14435373Sdes 145128823Stjr memset(&mbs, 0, sizeof(mbs)); 146128823Stjr r = 0; 147128823Stjr while (len != 0 && (clen = mbrtowc(&wc, s, len, &mbs)) != 0) { 148128823Stjr if (clen == (size_t)-1) { 149128823Stjr r += 4; 150128823Stjr s++; 151128823Stjr len--; 152128823Stjr memset(&mbs, 0, sizeof(mbs)); 153128823Stjr continue; 154128823Stjr } 155128823Stjr if (clen == (size_t)-2) { 156128823Stjr r += 4 * len; 157128823Stjr break; 158128823Stjr } 159128823Stjr if (iswprint(wc)) 160128823Stjr r++; 161128823Stjr else 162128823Stjr r += 4 * clen; 163128823Stjr s += clen; 164128823Stjr } 165128823Stjr return (r); 16635373Sdes} 16735373Sdes 16835373Sdesint 16990110Simpprn_octal(const char *s) 17035373Sdes{ 171128823Stjr static const char esc[] = "\\\\\"\"\aa\bb\ff\nn\rr\tt\vv"; 172128823Stjr const char *p; 173128823Stjr mbstate_t mbs; 174128823Stjr wchar_t wc; 175128823Stjr size_t clen; 176128823Stjr unsigned char ch; 177128823Stjr int goodchar, i, len, prtlen; 178242725Sgrog 179128823Stjr memset(&mbs, 0, sizeof(mbs)); 180128823Stjr len = 0; 181128823Stjr while ((clen = mbrtowc(&wc, s, MB_LEN_MAX, &mbs)) != 0) { 182128823Stjr goodchar = clen != (size_t)-1 && clen != (size_t)-2; 183128823Stjr if (goodchar && iswprint(wc) && wc != L'\"' && wc != L'\\') { 184128823Stjr for (i = 0; i < (int)clen; i++) 185128823Stjr putchar((unsigned char)s[i]); 186128823Stjr len += wcwidth(wc); 187245091Sandrew } else if (goodchar && f_octal_escape && 188245091Sandrew#if WCHAR_MIN < 0 189245091Sandrew wc >= 0 && 190245091Sandrew#endif 191128823Stjr wc <= (wchar_t)UCHAR_MAX && 192128823Stjr (p = strchr(esc, (char)wc)) != NULL) { 193128823Stjr putchar('\\'); 194128823Stjr putchar(p[1]); 195128823Stjr len += 2; 196128823Stjr } else { 197128823Stjr if (goodchar) 198128823Stjr prtlen = clen; 199128823Stjr else if (clen == (size_t)-1) 200128823Stjr prtlen = 1; 201128823Stjr else 202128823Stjr prtlen = strlen(s); 203128823Stjr for (i = 0; i < prtlen; i++) { 204128823Stjr ch = (unsigned char)s[i]; 205128823Stjr putchar('\\'); 206242807Sgrog putchar('0' + (ch >> 6)); 207242807Sgrog putchar('0' + ((ch >> 3) & 7)); 208242807Sgrog putchar('0' + (ch & 7)); 209128823Stjr len += 4; 210128823Stjr } 21135417Sdes } 212128823Stjr if (clen == (size_t)-2) 213128823Stjr break; 214128823Stjr if (clen == (size_t)-1) { 215128823Stjr memset(&mbs, 0, sizeof(mbs)); 216128823Stjr s++; 217128823Stjr } else 218128823Stjr s += clen; 21935373Sdes } 220128823Stjr return (len); 22135373Sdes} 22235373Sdes 2231556Srgrimesvoid 22490110Simpusage(void) 2251556Srgrimes{ 22661324Sache (void)fprintf(stderr, 22761324Sache#ifdef COLORLS 228242725Sgrog "usage: ls [-ABCFGHILPRSTUWZabcdfghiklmnopqrstuwxy1,] [-D format]" 22961324Sache#else 230242725Sgrog "usage: ls [-ABCFHILPRSTUWZabcdfghiklmnopqrstuwxy1,] [-D format]" 23161324Sache#endif 23235426Sdes " [file ...]\n"); 2331556Srgrimes exit(1); 2341556Srgrimes} 235