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ls: add support for -p

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This commit is contained in:
Quentin Rameau 2015-02-19 19:48:15 +01:00 committed by sin
parent d02327d0eb
commit 51b707e91e
3 changed files with 25 additions and 18 deletions
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2
README
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@ -40,7 +40,7 @@ The following tools are implemented ('*' == finished, '#' == UTF-8 support,
=* ln yes none =* ln yes none
=* logger yes none =* logger yes none
=* logname yes none =* logname yes none
= ls no -A, (-C), -R, -S, -f, -m, -n, -p, -s, -x = ls no -A, (-C), -R, -S, -f, -m, -n, -s, -x
=* md5sum non-posix none =* md5sum non-posix none
=* mkdir yes none =* mkdir yes none
=* mkfifo yes none =* mkfifo yes none

4
ls.1
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@ -22,7 +22,7 @@ modification time for sorting or printing.
.It Fl d .It Fl d
List directories themselves, not their contents. List directories themselves, not their contents.
.It Fl F .It Fl F
Append a file type indicator to files. Append a file type indicator to all special files.
.It Fl H .It Fl H
List information about the targets of symbolic links specified on the command List information about the targets of symbolic links specified on the command
line instead of the links themselves. line instead of the links themselves.
@ -36,6 +36,8 @@ themselves.
.It Fl l .It Fl l
List detailed information about each file, including their type, permissions, List detailed information about each file, including their type, permissions,
links, owner, group, size, and last file status/modification time. links, owner, group, size, and last file status/modification time.
.It Fl p
Append a file type indicator to directories.
.It Fl q .It Fl q
Replace non-printable characters in filenames with '?'. Replace non-printable characters in filenames with '?'.
.It Fl r .It Fl r

37
ls.c
View File

@ -33,6 +33,7 @@ static int hflag = 0;
static int iflag = 0; static int iflag = 0;
static int Lflag = 0; static int Lflag = 0;
static int lflag = 0; static int lflag = 0;
static int pflag = 0;
static int qflag = 0; static int qflag = 0;
static int rflag = 0; static int rflag = 0;
static int tflag = 0; static int tflag = 0;
@ -70,21 +71,22 @@ mkent(struct entry *ent, char *path, int dostat, int follow)
static char * static char *
indicator(mode_t mode) indicator(mode_t mode)
{ {
if (!Fflag) if (pflag || Fflag)
return ""; if (S_ISDIR(mode))
return "/";
if (S_ISLNK(mode)) if (Fflag) {
return "@"; if (S_ISLNK(mode))
else if (S_ISDIR(mode)) return "@";
return "/"; else if (S_ISFIFO(mode))
else if (S_ISFIFO(mode)) return "|";
return "|"; else if (S_ISSOCK(mode))
else if (S_ISSOCK(mode)) return "=";
return "="; else if (mode & S_IXUSR || mode & S_IXGRP || mode & S_IXOTH)
else if (mode & S_IXUSR || mode & S_IXGRP || mode & S_IXOTH) return "*";
return "*"; }
else
return ""; return "";
} }
static void static void
@ -205,7 +207,7 @@ lsdir(const char *path)
if (d->d_name[0] == '.' && !aflag) if (d->d_name[0] == '.' && !aflag)
continue; continue;
if (Uflag){ if (Uflag){
mkent(&ent, d->d_name, Fflag || lflag || iflag, Lflag); mkent(&ent, d->d_name, Fflag || lflag || pflag || iflag, Lflag);
output(&ent); output(&ent);
} else { } else {
ents = erealloc(ents, ++n * sizeof(*ents)); ents = erealloc(ents, ++n * sizeof(*ents));
@ -224,7 +226,7 @@ lsdir(const char *path)
} }
*p = '\0'; *p = '\0';
} }
mkent(&ents[n - 1], name, tflag || Fflag || lflag || iflag, Lflag); mkent(&ents[n - 1], name, tflag || Fflag || iflag || lflag || pflag, Lflag);
} }
} }
closedir(dp); closedir(dp);
@ -295,6 +297,9 @@ main(int argc, char *argv[])
case 'l': case 'l':
lflag = 1; lflag = 1;
break; break;
case 'p':
pflag = 1;
break;
case 'q': case 'q':
qflag = 1; qflag = 1;
break; break;