On Tuesday 14 October 2008 16:04:46 Jim Meyering wrote:
> I agree. I'd rather add to (and remain consistent with) the existing
> framework than add a feature whereby the number of hard links is
> highlighted in long-style output.
Proposed patch is attached.
Kamil
From 9ee96c46bc930d8343de03be6ed65313a96c5ad1 Mon Sep 17 00:00:00 2001
From: Kamil Dudka <[EMAIL PROTECTED]>
Date: Mon, 20 Oct 2008 18:45:52 +0200
Subject: [PATCH] ls: --color now highlights hard linked files, too
* src/ls.c (print_color_indicator): Colorize hard linked files.
* src/dircolors.c: Add color for hard link.
* src/dircolors.hin: Add color for hard link.
* tests/ls/hardlink: Test for ls - colorize hard linked files.
* tests/Makefile.am (TESTS): Add ls/hardlink.
* NEWS: Mention the change.
---
NEWS | 2 ++
src/dircolors.c | 5 +++--
src/dircolors.hin | 1 +
src/ls.c | 29 ++++++++++++++++++-----------
tests/Makefile.am | 1 +
tests/ls/hardlink | 46 ++++++++++++++++++++++++++++++++++++++++++++++
6 files changed, 71 insertions(+), 13 deletions(-)
create mode 100755 tests/ls/hardlink
diff --git a/NEWS b/NEWS
index ab7d5bd..82bfa4d 100644
--- a/NEWS
+++ b/NEWS
@@ -4,6 +4,8 @@ GNU coreutils NEWS -*- outline -*-
** New features
+ ls --color now highlights hard linked files, too
+
stat -f recognizes the Lustre file system type
diff --git a/src/dircolors.c b/src/dircolors.c
index 79109b9..0980e3d 100644
--- a/src/dircolors.c
+++ b/src/dircolors.c
@@ -63,14 +63,15 @@ static const char *const slack_codes[] =
"SYMLINK", "ORPHAN", "MISSING", "FIFO", "PIPE", "SOCK", "BLK", "BLOCK",
"CHR", "CHAR", "DOOR", "EXEC", "LEFT", "LEFTCODE", "RIGHT", "RIGHTCODE",
"END", "ENDCODE", "SUID", "SETUID", "SGID", "SETGID", "STICKY",
- "OTHER_WRITABLE", "OWR", "STICKY_OTHER_WRITABLE", "OWT", "CAPABILITY", NULL
+ "OTHER_WRITABLE", "OWR", "STICKY_OTHER_WRITABLE", "OWT", "CAPABILITY",
+ "HARDLINK", NULL
};
static const char *const ls_codes[] =
{
"no", "no", "fi", "rs", "di", "ln", "ln", "ln", "or", "mi", "pi", "pi",
"so", "bd", "bd", "cd", "cd", "do", "ex", "lc", "lc", "rc", "rc", "ec", "ec",
- "su", "su", "sg", "sg", "st", "ow", "ow", "tw", "tw", "ca", NULL
+ "su", "su", "sg", "sg", "st", "ow", "ow", "tw", "tw", "ca", "hl", NULL
};
#define array_len(Array) (sizeof (Array) / sizeof *(Array))
verify (array_len (slack_codes) == array_len (ls_codes));
diff --git a/src/dircolors.hin b/src/dircolors.hin
index 5137cc6..e0b4a6d 100644
--- a/src/dircolors.hin
+++ b/src/dircolors.hin
@@ -69,6 +69,7 @@ RESET 0 # reset to "normal" color
DIR 01;34 # directory
LINK 01;36 # symbolic link. (If you set this to 'target' instead of a
# numerical value, the color is as for the file pointed to.)
+HARDLINK 44;37 # regular file with more than one links
FIFO 40;33 # pipe
SOCK 01;35 # socket
DOOR 01;35 # door
diff --git a/src/ls.c b/src/ls.c
index f454d0e..c346af4 100644
--- a/src/ls.c
+++ b/src/ls.c
@@ -212,7 +212,8 @@ static uintmax_t gobble_file (char const *name, enum filetype type,
ino_t inode, bool command_line_arg,
char const *dirname);
static bool print_color_indicator (const char *name, mode_t mode, int linkok,
- bool stat_ok, enum filetype type);
+ bool stat_ok, enum filetype type,
+ nlink_t nlink);
static void put_indicator (const struct bin_str *ind);
static void add_ignore_pattern (const char *pattern);
static void attach (char *dest, const char *dirname, const char *name);
@@ -235,7 +236,7 @@ static void print_many_per_line (void);
static void print_name_with_quoting (const char *p, mode_t mode,
int linkok, bool stat_ok,
enum filetype type,
- struct obstack *stack);
+ struct obstack *stack, nlink_t nlink);
static void prep_non_filename_text (void);
static void print_type_indicator (bool stat_ok, mode_t mode,
enum filetype type);
@@ -516,14 +517,14 @@ enum indicator_no
C_LEFT, C_RIGHT, C_END, C_RESET, C_NORM, C_FILE, C_DIR, C_LINK,
C_FIFO, C_SOCK,
C_BLK, C_CHR, C_MISSING, C_ORPHAN, C_EXEC, C_DOOR, C_SETUID, C_SETGID,
- C_STICKY, C_OTHER_WRITABLE, C_STICKY_OTHER_WRITABLE, C_CAP
+ C_STICKY, C_OTHER_WRITABLE, C_STICKY_OTHER_WRITABLE, C_CAP, C_HARDLINK
};
static const char *const indicator_name[]=
{
"lc", "rc", "ec", "rs", "no", "fi", "di", "ln", "pi", "so",
"bd", "cd", "mi", "or", "ex", "do", "su", "sg", "st",
- "ow", "tw", "ca", NULL
+ "ow", "tw", "ca", "hl", NULL
};
struct color_ext_type
@@ -556,7 +557,8 @@ static struct bin_str color_indicator[] =
{ LEN_STR_PAIR ("37;44") }, /* st: sticky: black on blue */
{ LEN_STR_PAIR ("34;42") }, /* ow: other-writable: blue on green */
{ LEN_STR_PAIR ("30;42") }, /* tw: ow w/ sticky: black on green */
- { LEN_STR_PAIR ("30;41") }, /* capability: black on red */
+ { LEN_STR_PAIR ("30;41") }, /* ca: black on red */
+ { LEN_STR_PAIR ("44;37") }, /* hl: white on blue */
};
/* FIXME: comment */
@@ -3624,7 +3626,8 @@ print_long_format (const struct fileinfo *f)
DIRED_FPUTS (buf, stdout, p - buf);
print_name_with_quoting (f->name, FILE_OR_LINK_MODE (f), f->linkok,
- f->stat_ok, f->filetype, &dired_obstack);
+ f->stat_ok, f->filetype, &dired_obstack,
+ f->stat.st_nlink);
if (f->filetype == symbolic_link)
{
@@ -3632,7 +3635,8 @@ print_long_format (const struct fileinfo *f)
{
DIRED_FPUTS_LITERAL (" -> ", stdout);
print_name_with_quoting (f->linkname, f->linkmode, f->linkok - 1,
- f->stat_ok, f->filetype, NULL);
+ f->stat_ok, f->filetype, NULL,
+ f->stat.st_nlink);
if (indicator_style != none)
print_type_indicator (true, f->linkmode, unknown);
}
@@ -3814,11 +3818,11 @@ quote_name (FILE *out, const char *name, struct quoting_options const *options,
static void
print_name_with_quoting (const char *p, mode_t mode, int linkok,
bool stat_ok, enum filetype type,
- struct obstack *stack)
+ struct obstack *stack, nlink_t nlink)
{
bool used_color_this_time
= (print_with_color
- && print_color_indicator (p, mode, linkok, stat_ok, type));
+ && print_color_indicator (p, mode, linkok, stat_ok, type, nlink));
if (stack)
PUSH_CURRENT_DIRED_POS (stack);
@@ -3870,7 +3874,7 @@ print_file_name_and_frills (const struct fileinfo *f)
printf ("%*s ", format == with_commas ? 0 : scontext_width, f->scontext);
print_name_with_quoting (f->name, FILE_OR_LINK_MODE (f), f->linkok,
- f->stat_ok, f->filetype, NULL);
+ f->stat_ok, f->filetype, NULL, f->stat.st_nlink);
if (indicator_style != none)
print_type_indicator (f->stat_ok, f->stat.st_mode, f->filetype);
@@ -3952,7 +3956,8 @@ has_capability (char const *name ATTRIBUTE_UNUSED)
/* Returns whether any color sequence was printed. */
static bool
print_color_indicator (const char *name, mode_t mode, int linkok,
- bool stat_ok, enum filetype filetype)
+ bool stat_ok, enum filetype filetype,
+ nlink_t nlink)
{
int type;
struct color_ext_type *ext; /* Color extension */
@@ -3980,6 +3985,8 @@ print_color_indicator (const char *name, mode_t mode, int linkok,
type = C_CAP;
else if ((mode & S_IXUGO) != 0)
type = C_EXEC;
+ else if (1 < nlink)
+ type = C_HARDLINK;
}
else if (S_ISDIR (mode))
{
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 7a523a5..cf74201 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -25,6 +25,7 @@ root_tests = \
cp/preserve-gid \
cp/special-bits \
ls/capability \
+ ls/hardlink \
ls/nameless-uid \
misc/chcon \
misc/selinux \
diff --git a/tests/ls/hardlink b/tests/ls/hardlink
new file mode 100755
index 0000000..ea7257b
--- /dev/null
+++ b/tests/ls/hardlink
@@ -0,0 +1,46 @@
+#!/bin/sh
+# Ensure "ls --color" properly colorizes hard linked files.
+
+# Copyright (C) 2008 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+if test "$VERBOSE" = yes; then
+ set -x
+ ls --version
+fi
+
+. $srcdir/test-lib.sh
+
+# Don't let a different umask perturb the results.
+umask 22
+
+touch file file1 || framework_failure
+ln file1 file2 || skip_test_ "can't create hard link"
+code='44;37'
+fail=0
+
+# regular file - not hard linked
+LS_COLORS="hl=$code" ls -U1 --color=always file > out || fail=1
+printf "file\n" > out_ok || fail=1
+compare out out_ok || fail=1
+
+# hard links
+LS_COLORS="hl=$code" ls -U1 --color=always file1 file2 > out || fail=1
+printf "\033[0m\033[44;37mfile1\033[0m
+\033[44;37mfile2\033[0m
+\033[m" > out_ok || fail=1
+compare out out_ok || fail=1
+
+Exit $fail
--
1.5.4.1
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