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Added -b option to display unprintables in octal.
PR: 1315
This commit is contained in:
parent
4431d4ba23
commit
7ea3064820
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=35373
@ -31,7 +31,7 @@
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* SUCH DAMAGE.
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*
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* from: @(#)extern.h 8.1 (Berkeley) 5/31/93
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* $Id: extern.h,v 1.4 1997/02/22 14:03:54 peter Exp $
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* $Id: extern.h,v 1.5 1997/08/07 15:33:45 steve Exp $
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*/
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int acccmp __P((const FTSENT *, const FTSENT *));
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@ -49,3 +49,5 @@ void printcol __P((DISPLAY *));
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void printlong __P((DISPLAY *));
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void printscol __P((DISPLAY *));
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void usage __P((void));
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int len_octal __P((char *, int));
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int prn_octal __P((char *));
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@ -33,7 +33,7 @@
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)ls.1 8.7 (Berkeley) 7/29/94
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.\" $Id: ls.1,v 1.15 1997/09/18 06:55:21 charnier Exp $
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.\" $Id: ls.1,v 1.16 1997/12/25 09:36:39 hoek Exp $
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.\"
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.Dd July 29, 1994
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.Dt LS 1
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@ -43,7 +43,7 @@
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.Nd list directory contents
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.Sh SYNOPSIS
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.Nm ls
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.Op Fl ACFLRTWacdfgikloqrstu1
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.Op Fl ACFLRTWabcdfgikloqrstu1
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.Op Ar file ...
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.Sh DESCRIPTION
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For each operand that names a
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@ -100,6 +100,9 @@ Display whiteouts when scanning directories.
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.It Fl a
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Include directory entries whose names begin with a
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dot (.).
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.It Fl b
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Force printing of non-graphic characters in file names as \\xxx,
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where xxx is the numeric value of the character in octal.
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.It Fl c
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Use time when file status was last changed for sorting or printing.
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.It Fl d
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14
bin/ls/ls.c
14
bin/ls/ls.c
@ -45,7 +45,7 @@ static const char copyright[] =
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static char sccsid[] = "@(#)ls.c 8.5 (Berkeley) 4/2/94";
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#else
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static const char rcsid[] =
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"$Id: ls.c,v 1.16 1997/08/07 22:28:23 steve Exp $";
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"$Id: ls.c,v 1.17 1997/09/18 06:42:27 sef Exp $";
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#endif
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#endif /* not lint */
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@ -88,6 +88,7 @@ int f_longform; /* long listing format */
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int f_newline; /* if precede with newline */
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int f_nonprint; /* show unprintables as ? */
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int f_nosort; /* don't sort output */
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int f_octal; /* show unprintables as \xxx */
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int f_recursive; /* ls subdirectories also */
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int f_reversesort; /* reverse whatever sort is used */
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int f_sectime; /* print the real time for all files */
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@ -135,7 +136,7 @@ main(argc, argv)
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f_listdot = 1;
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fts_options = FTS_PHYSICAL;
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while ((ch = getopt(argc, argv, "1ACFLRTWacdfgikloqrstu")) != -1) {
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while ((ch = getopt(argc, argv, "1ACFLRTWabcdfgikloqrstu")) != -1) {
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switch (ch) {
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/*
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* The -1, -C and -l options all override each other so shell
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@ -199,6 +200,7 @@ main(argc, argv)
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break;
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case 'q':
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f_nonprint = 1;
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f_octal = 0;
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break;
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case 'r':
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f_reversesort = 1;
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@ -215,6 +217,10 @@ main(argc, argv)
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case 'W':
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f_whiteout = 1;
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break;
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case 'b':
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f_octal = 1;
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f_nonprint = 0;
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break;
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default:
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case '?':
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usage();
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@ -426,6 +432,10 @@ display(p, list)
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prcopy(cur->fts_name, cur->fts_name, cur->fts_namelen);
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if (cur->fts_namelen > maxlen)
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maxlen = cur->fts_namelen;
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if (f_octal) {
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int t = len_octal(cur->fts_name, cur->fts_namelen);
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if (t > maxlen) maxlen = t;
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}
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if (needstats) {
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sp = cur->fts_statp;
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if (sp->st_blocks > maxblock)
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@ -35,7 +35,7 @@
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* SUCH DAMAGE.
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*
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* from: @(#)ls.h 8.1 (Berkeley) 5/31/93
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* $Id: ls.h,v 1.6 1997/04/29 10:03:05 dfr Exp $
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* $Id: ls.h,v 1.7 1997/08/07 15:33:48 steve Exp $
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*/
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#define NO_PRINT 1
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@ -46,6 +46,7 @@ extern int f_accesstime; /* use time of last access */
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extern int f_flags; /* show flags associated with a file */
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extern int f_inode; /* print inode */
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extern int f_longform; /* long listing format */
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extern int f_octal; /* print unprintables in octal */
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extern int f_sectime; /* print the real time for all files */
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extern int f_size; /* list size in short listing */
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extern int f_statustime; /* use time of last mode change */
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@ -39,7 +39,7 @@
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static char sccsid[] = "@(#)print.c 8.4 (Berkeley) 4/17/94";
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#else
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static const char rcsid[] =
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"$Id: print.c,v 1.13 1997/08/07 15:33:48 steve Exp $";
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"$Id: print.c,v 1.14 1997/08/07 22:28:24 steve Exp $";
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#endif
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#endif /* not lint */
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@ -127,7 +127,8 @@ printlong(dp)
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printtime(sp->st_ctime);
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else
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printtime(sp->st_mtime);
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(void)printf("%s", p->fts_name);
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if (f_octal) (void)prn_octal(p->fts_name);
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else (void)printf("%s", p->fts_name);
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if (f_type)
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(void)printtype(sp->st_mode);
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if (S_ISLNK(sp->st_mode))
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@ -222,7 +223,7 @@ printaname(p, inodefield, sizefield)
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if (f_size)
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chcnt += printf("%*qd ",
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(int)sizefield, howmany(sp->st_blocks, blocksize));
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chcnt += printf("%s", p->fts_name);
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chcnt += f_octal ? prn_octal(p->fts_name) : printf("%s", p->fts_name);
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if (f_type)
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chcnt += printtype(sp->st_mode);
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return (chcnt);
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@ -303,5 +304,9 @@ printlink(p)
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return;
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}
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path[lnklen] = '\0';
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(void)printf(" -> %s", path);
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if (f_octal) {
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(void)printf(" -> ");
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(void)prn_octal(path);
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}
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else (void)printf(" -> %s", path);
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}
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@ -39,7 +39,7 @@
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static char sccsid[] = "@(#)util.c 8.3 (Berkeley) 4/2/94";
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#else
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static const char rcsid[] =
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"$Id: util.c,v 1.10 1997/08/07 15:33:50 steve Exp $";
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"$Id: util.c,v 1.11 1997/08/07 22:28:25 steve Exp $";
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#endif
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#endif /* not lint */
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@ -47,6 +47,7 @@ static const char rcsid[] =
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#include <sys/stat.h>
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#include <ctype.h>
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#include <err.h>
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#include <fts.h>
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#include <stdio.h>
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#include <stdlib.h>
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@ -68,6 +69,44 @@ prcopy(src, dest, len)
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}
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}
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/*
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* The fts system makes it difficult to replace fts_name with a different-
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* sized string, so we just calculate the real length here and do the
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* conversion in prn_octal()
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*/
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int
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len_octal(s, len)
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char *s;
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int len;
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{
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int r;
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while (len--)
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if (isprint(*s++)) r++; else r += 4;
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return r;
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}
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int
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prn_octal(s)
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char *s;
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{
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unsigned char ch;
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int len = 0;
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while ((ch = *s++))
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{
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if (isprint(ch)) putchar(ch), len++;
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else {
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putchar('\\');
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putchar('0' + (ch >> 6));
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putchar('0' + ((ch >> 3) & 3));
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putchar('0' + (ch & 3));
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len += 4;
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}
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}
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return len;
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}
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void
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usage()
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{
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