mirror of
https://github.com/sheumann/hush.git
synced 2024-12-27 01:32:08 +00:00
ls: add support for -H
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
parent
86ffe5c15a
commit
982aa263a0
155
coreutils/ls.c
155
coreutils/ls.c
@ -32,7 +32,7 @@
|
||||
|
||||
//usage:#define ls_trivial_usage
|
||||
//usage: "[-1AaCxd"
|
||||
//usage: IF_FEATURE_LS_FOLLOWLINKS("L")
|
||||
//usage: IF_FEATURE_LS_FOLLOWLINKS("LH")
|
||||
//usage: IF_FEATURE_LS_RECURSIVE("R")
|
||||
//usage: IF_FEATURE_LS_FILETYPES("Fp") "lins"
|
||||
//usage: IF_FEATURE_LS_TIMESTAMPS("e")
|
||||
@ -51,7 +51,8 @@
|
||||
//usage: "\n -x List by lines"
|
||||
//usage: "\n -d List directory entries instead of contents"
|
||||
//usage: IF_FEATURE_LS_FOLLOWLINKS(
|
||||
//usage: "\n -L List entries pointed to by symlinks"
|
||||
//usage: "\n -L Follow symlinks"
|
||||
//usage: "\n -H Follow symlinks on command line only"
|
||||
//usage: )
|
||||
//usage: IF_FEATURE_LS_RECURSIVE(
|
||||
//usage: "\n -R Recurse"
|
||||
@ -118,11 +119,11 @@
|
||||
enum {
|
||||
TERMINAL_WIDTH = 80, /* use 79 if terminal has linefold bug */
|
||||
|
||||
/* what is the overall style of the listing */
|
||||
STYLE_COLUMNAR = 1 << 21, /* many records per line */
|
||||
STYLE_LONG = 2 << 21, /* one record per line, extended info */
|
||||
STYLE_SINGLE = 3 << 21, /* one record per line */
|
||||
STYLE_MASK = STYLE_SINGLE,
|
||||
SPLIT_DIR = 1,
|
||||
SPLIT_FILE = 0,
|
||||
SPLIT_SUBDIR = 2,
|
||||
|
||||
/* Bits in all_fmt: */
|
||||
|
||||
/* 51306 lrwxrwxrwx 1 root root 2 May 11 01:43 /bin/view -> vi* */
|
||||
/* what file information will be listed */
|
||||
@ -152,44 +153,41 @@ DISP_RECURSIVE = 1 << 19, /* show directory and everything below it */
|
||||
DISP_ROWS = 1 << 20, /* print across rows */
|
||||
DISP_MASK = ((DISP_ROWS << 1) - 1) & ~(DISP_DIRNAME - 1),
|
||||
|
||||
/* how will the files be sorted (CONFIG_FEATURE_LS_SORTFILES) */
|
||||
SORT_FORWARD = 0, /* sort in reverse order */
|
||||
SORT_REVERSE = 1 << 27, /* sort in reverse order */
|
||||
|
||||
SORT_NAME = 0, /* sort by file name */
|
||||
SORT_SIZE = 1 << 28, /* sort by file size */
|
||||
SORT_ATIME = 2 << 28, /* sort by last access time */
|
||||
SORT_CTIME = 3 << 28, /* sort by last change time */
|
||||
SORT_MTIME = 4 << 28, /* sort by last modification time */
|
||||
SORT_VERSION = 5 << 28, /* sort by version */
|
||||
SORT_EXT = 6 << 28, /* sort by file name extension */
|
||||
SORT_DIR = 7 << 28, /* sort by file or directory */
|
||||
SORT_MASK = (7 << 28) * ENABLE_FEATURE_LS_SORTFILES,
|
||||
/* what is the overall style of the listing */
|
||||
STYLE_COLUMNAR = 1 << 21, /* many records per line */
|
||||
STYLE_LONG = 2 << 21, /* one record per line, extended info */
|
||||
STYLE_SINGLE = 3 << 21, /* one record per line */
|
||||
STYLE_MASK = STYLE_SINGLE,
|
||||
|
||||
/* which of the three times will be used */
|
||||
TIME_CHANGE = (1 << 23) * ENABLE_FEATURE_LS_TIMESTAMPS,
|
||||
TIME_ACCESS = (1 << 24) * ENABLE_FEATURE_LS_TIMESTAMPS,
|
||||
TIME_MASK = (3 << 23) * ENABLE_FEATURE_LS_TIMESTAMPS,
|
||||
|
||||
FOLLOW_LINKS = (1 << 25) * ENABLE_FEATURE_LS_FOLLOWLINKS,
|
||||
/* how will the files be sorted (CONFIG_FEATURE_LS_SORTFILES) */
|
||||
SORT_REVERSE = 1 << 25,
|
||||
|
||||
LS_DISP_HR = (1 << 26) * ENABLE_FEATURE_HUMAN_READABLE,
|
||||
SORT_NAME = 0, /* sort by file name */
|
||||
SORT_SIZE = 1 << 26, /* sort by file size */
|
||||
SORT_ATIME = 2 << 26, /* sort by last access time */
|
||||
SORT_CTIME = 3 << 26, /* sort by last change time */
|
||||
SORT_MTIME = 4 << 26, /* sort by last modification time */
|
||||
SORT_VERSION = 5 << 26, /* sort by version */
|
||||
SORT_EXT = 6 << 26, /* sort by file name extension */
|
||||
SORT_DIR = 7 << 26, /* sort by file or directory */
|
||||
SORT_MASK = (7 << 26) * ENABLE_FEATURE_LS_SORTFILES,
|
||||
|
||||
LIST_SHORT = LIST_FILENAME,
|
||||
LIST_LONG = LIST_MODEBITS | LIST_NLINKS | LIST_ID_NAME | LIST_SIZE | \
|
||||
LIST_DATE_TIME | LIST_FILENAME | LIST_SYMLINK,
|
||||
|
||||
SPLIT_DIR = 1,
|
||||
SPLIT_FILE = 0,
|
||||
SPLIT_SUBDIR = 2,
|
||||
};
|
||||
|
||||
/* -Cadil1 Std options, busybox always supports */
|
||||
/* -gnsxA Std options, busybox always supports */
|
||||
/* -Q GNU option? busybox always supports */
|
||||
/* -Q GNU option, busybox always supports */
|
||||
/* -k SELinux option, busybox always supports (ignores if !SELinux) */
|
||||
/* Std has -k which means "show sizes in kbytes" */
|
||||
/* -FLRctur Std options, busybox optionally supports */
|
||||
/* -FLHRctur Std options, busybox optionally supports */
|
||||
/* -p Std option, busybox optionally supports */
|
||||
/* Not fully compatible - we show not only '/' but other chars too */
|
||||
/* -SXvhTw GNU options, busybox optionally supports */
|
||||
@ -203,11 +201,11 @@ static const char ls_options[] ALIGN1 =
|
||||
IF_FEATURE_LS_TIMESTAMPS("cetu") /* 4, 17 */
|
||||
IF_FEATURE_LS_SORTFILES("SXrv") /* 4, 21 */
|
||||
IF_FEATURE_LS_FILETYPES("Fp") /* 2, 23 */
|
||||
IF_FEATURE_LS_FOLLOWLINKS("L") /* 1, 24 */
|
||||
IF_FEATURE_LS_RECURSIVE("R") /* 1, 25 */
|
||||
IF_FEATURE_HUMAN_READABLE("h") /* 1, 26 */
|
||||
IF_SELINUX("KZ") /* 2, 28 */
|
||||
IF_FEATURE_AUTOWIDTH("T:w:") /* 2, 30 */
|
||||
IF_FEATURE_LS_RECURSIVE("R") /* 1, 24 */
|
||||
IF_SELINUX("KZ") /* 2, 26 */
|
||||
IF_FEATURE_LS_FOLLOWLINKS("LH") /* 2, 28 */
|
||||
IF_FEATURE_HUMAN_READABLE("h") /* 1, 29 */
|
||||
IF_FEATURE_AUTOWIDTH("T:w:") /* 2, 31 */
|
||||
;
|
||||
enum {
|
||||
//OPT_C = (1 << 0),
|
||||
@ -223,27 +221,55 @@ enum {
|
||||
OPT_Q = (1 << 10),
|
||||
//OPT_A = (1 << 11),
|
||||
//OPT_k = (1 << 12),
|
||||
OPTBIT_F = 13
|
||||
+ 4 * ENABLE_FEATURE_LS_TIMESTAMPS
|
||||
+ 4 * ENABLE_FEATURE_LS_SORTFILES,
|
||||
OPTBIT_color = OPTBIT_F
|
||||
+ 2 * ENABLE_FEATURE_LS_FILETYPES
|
||||
+ 1 * ENABLE_FEATURE_LS_FOLLOWLINKS
|
||||
+ 1 * ENABLE_FEATURE_LS_RECURSIVE
|
||||
+ 1 * ENABLE_FEATURE_HUMAN_READABLE
|
||||
+ 2 * ENABLE_SELINUX
|
||||
+ 2 * ENABLE_FEATURE_AUTOWIDTH,
|
||||
|
||||
OPTBIT_c = 13,
|
||||
OPTBIT_e,
|
||||
OPTBIT_t,
|
||||
OPTBIT_u,
|
||||
OPTBIT_S = OPTBIT_c + 4 * ENABLE_FEATURE_LS_TIMESTAMPS,
|
||||
OPTBIT_X, /* 18 */
|
||||
OPTBIT_r,
|
||||
OPTBIT_v,
|
||||
OPTBIT_F = OPTBIT_S + 4 * ENABLE_FEATURE_LS_SORTFILES,
|
||||
OPTBIT_p, /* 22 */
|
||||
OPTBIT_R = OPTBIT_F + 2 * ENABLE_FEATURE_LS_FILETYPES,
|
||||
OPTBIT_K = OPTBIT_R + 1 * ENABLE_FEATURE_LS_RECURSIVE,
|
||||
OPTBIT_Z, /* 25 */
|
||||
OPTBIT_L = OPTBIT_K + 2 * ENABLE_SELINUX,
|
||||
OPTBIT_H, /* 27 */
|
||||
OPTBIT_h = OPTBIT_L + 1 * ENABLE_FEATURE_LS_FOLLOWLINKS,
|
||||
OPTBIT_T = OPTBIT_h + 2 * ENABLE_FEATURE_HUMAN_READABLE,
|
||||
OPTBIT_w, /* 30 */
|
||||
OPTBIT_color = OPTBIT_T + 2 * ENABLE_FEATURE_AUTOWIDTH,
|
||||
|
||||
OPT_c = (1 << OPTBIT_c) * ENABLE_FEATURE_LS_TIMESTAMPS,
|
||||
OPT_e = (1 << OPTBIT_e) * ENABLE_FEATURE_LS_TIMESTAMPS,
|
||||
OPT_t = (1 << OPTBIT_t) * ENABLE_FEATURE_LS_TIMESTAMPS,
|
||||
OPT_u = (1 << OPTBIT_u) * ENABLE_FEATURE_LS_TIMESTAMPS,
|
||||
OPT_S = (1 << OPTBIT_S) * ENABLE_FEATURE_LS_SORTFILES,
|
||||
OPT_X = (1 << OPTBIT_X) * ENABLE_FEATURE_LS_SORTFILES,
|
||||
OPT_r = (1 << OPTBIT_r) * ENABLE_FEATURE_LS_SORTFILES,
|
||||
OPT_v = (1 << OPTBIT_v) * ENABLE_FEATURE_LS_SORTFILES,
|
||||
OPT_F = (1 << OPTBIT_F) * ENABLE_FEATURE_LS_FILETYPES,
|
||||
OPT_color = (1 << OPTBIT_color),
|
||||
OPT_p = (1 << OPTBIT_p) * ENABLE_FEATURE_LS_FILETYPES,
|
||||
OPT_R = (1 << OPTBIT_R) * ENABLE_FEATURE_LS_RECURSIVE,
|
||||
OPT_K = (1 << OPTBIT_K) * ENABLE_SELINUX,
|
||||
OPT_Z = (1 << OPTBIT_Z) * ENABLE_SELINUX,
|
||||
OPT_L = (1 << OPTBIT_L) * ENABLE_FEATURE_LS_FOLLOWLINKS,
|
||||
OPT_H = (1 << OPTBIT_H) * ENABLE_FEATURE_LS_FOLLOWLINKS,
|
||||
OPT_h = (1 << OPTBIT_h) * ENABLE_FEATURE_HUMAN_READABLE,
|
||||
OPT_T = (1 << OPTBIT_T) * ENABLE_FEATURE_AUTOWIDTH,
|
||||
OPT_w = (1 << OPTBIT_w) * ENABLE_FEATURE_AUTOWIDTH,
|
||||
OPT_color = (1 << OPTBIT_color) * ENABLE_FEATURE_LS_COLOR,
|
||||
};
|
||||
|
||||
/* TODO: simple toggles may be stored as OPT_xxx bits instead */
|
||||
static const unsigned opt_flags[] = {
|
||||
static const uint32_t opt_flags[] = {
|
||||
LIST_SHORT | STYLE_COLUMNAR, /* C */
|
||||
DISP_HIDDEN | DISP_DOT, /* a */
|
||||
DISP_NOLIST, /* d */
|
||||
LIST_INO, /* i */
|
||||
LIST_LONG | STYLE_LONG, /* l - remember LS_DISP_HR in mask! */
|
||||
LIST_LONG | STYLE_LONG, /* l */
|
||||
LIST_SHORT | STYLE_SINGLE, /* 1 */
|
||||
0, /* g (don't show owner) - handled via OPT_g */
|
||||
LIST_ID_NUMERIC, /* n */
|
||||
@ -268,23 +294,15 @@ static const unsigned opt_flags[] = {
|
||||
LIST_FILETYPE | LIST_EXEC, /* F */
|
||||
LIST_FILETYPE, /* p */
|
||||
#endif
|
||||
#if ENABLE_FEATURE_LS_FOLLOWLINKS
|
||||
FOLLOW_LINKS, /* L */
|
||||
#endif
|
||||
#if ENABLE_FEATURE_LS_RECURSIVE
|
||||
DISP_RECURSIVE, /* R */
|
||||
#endif
|
||||
#if ENABLE_FEATURE_HUMAN_READABLE
|
||||
LS_DISP_HR, /* h */
|
||||
#endif
|
||||
#if ENABLE_SELINUX
|
||||
LIST_MODEBITS|LIST_NLINKS|LIST_CONTEXT|LIST_SIZE|LIST_DATE_TIME, /* K */
|
||||
LIST_MODEBITS|LIST_ID_NAME|LIST_CONTEXT, /* Z */
|
||||
#endif
|
||||
(1U<<31)
|
||||
/* options after Z are not processed through opt_flags:
|
||||
* T, w - ignored
|
||||
*/
|
||||
(1U << 31)
|
||||
/* options after Z are not processed through opt_flags */
|
||||
};
|
||||
|
||||
|
||||
@ -344,7 +362,7 @@ static struct dnode *my_stat(const char *fullname, const char *name, int force_f
|
||||
struct dnode *cur;
|
||||
IF_SELINUX(security_context_t sid = NULL;)
|
||||
|
||||
if ((all_fmt & FOLLOW_LINKS) || force_follow) {
|
||||
if ((option_mask32 & OPT_L) || force_follow) {
|
||||
#if ENABLE_SELINUX
|
||||
if (is_selinux_enabled()) {
|
||||
getfilecon(fullname, &sid);
|
||||
@ -699,7 +717,7 @@ static NOINLINE unsigned list_single(const struct dnode *dn)
|
||||
(int) major(dn->dstat.st_rdev),
|
||||
(int) minor(dn->dstat.st_rdev));
|
||||
} else {
|
||||
if (all_fmt & LS_DISP_HR) {
|
||||
if (option_mask32 & OPT_h) {
|
||||
column += printf("%"HUMAN_READABLE_MAX_WIDTH_STR"s ",
|
||||
/* print st_size, show one fractional, use suffixes */
|
||||
make_human_readable_str(dn->dstat.st_size, 1, 0)
|
||||
@ -887,12 +905,6 @@ static void showdirs(struct dnode **dn, int first)
|
||||
struct dnode **subdnp;
|
||||
struct dnode **dnd;
|
||||
|
||||
/* Never happens:
|
||||
if (dn == NULL || ndirs < 1) {
|
||||
return;
|
||||
}
|
||||
*/
|
||||
|
||||
for (; *dn; dn++) {
|
||||
if (all_fmt & (DISP_DIRNAME | DISP_RECURSIVE)) {
|
||||
if (!first)
|
||||
@ -1031,8 +1043,7 @@ int ls_main(int argc UNUSED_PARAM, char **argv)
|
||||
|
||||
init_unicode();
|
||||
|
||||
all_fmt = LIST_SHORT |
|
||||
(ENABLE_FEATURE_LS_SORTFILES * (SORT_NAME | SORT_FORWARD));
|
||||
all_fmt = LIST_SHORT | (ENABLE_FEATURE_LS_SORTFILES * SORT_NAME);
|
||||
|
||||
#if ENABLE_FEATURE_AUTOWIDTH
|
||||
/* obtain the terminal width */
|
||||
@ -1050,8 +1061,8 @@ int ls_main(int argc UNUSED_PARAM, char **argv)
|
||||
* in some pairs of opts, only last one takes effect:
|
||||
*/
|
||||
IF_FEATURE_LS_TIMESTAMPS(IF_FEATURE_LS_SORTFILES(":t-S:S-t")) /* time/size */
|
||||
// ":H-L:L-H:" - we don't have -H
|
||||
// ":m-l:l-m:" - we don't have -m
|
||||
// ":m-l:l-m" - we don't have -m
|
||||
IF_FEATURE_LS_FOLLOWLINKS(":H-L:L-H")
|
||||
":C-xl:x-Cl:l-xC" /* bycols/bylines/long */
|
||||
":C-1:1-C" /* bycols/oneline */
|
||||
":x-1:1-x" /* bylines/oneline (not in SuS, but in GNU coreutils 8.4) */
|
||||
@ -1062,9 +1073,9 @@ int ls_main(int argc UNUSED_PARAM, char **argv)
|
||||
IF_FEATURE_AUTOWIDTH(, NULL, &terminal_width)
|
||||
IF_FEATURE_LS_COLOR(, &color_opt)
|
||||
);
|
||||
for (i = 0; opt_flags[i] != (1U<<31); i++) {
|
||||
for (i = 0; opt_flags[i] != (1U << 31); i++) {
|
||||
if (opt & (1 << i)) {
|
||||
unsigned flags = opt_flags[i];
|
||||
uint32_t flags = opt_flags[i];
|
||||
|
||||
if (flags & STYLE_MASK)
|
||||
all_fmt &= ~STYLE_MASK;
|
||||
@ -1134,9 +1145,11 @@ int ls_main(int argc UNUSED_PARAM, char **argv)
|
||||
dn = NULL;
|
||||
nfiles = 0;
|
||||
do {
|
||||
/* NB: follow links on command line unless -l, -s or -F */
|
||||
cur = my_stat(*argv, *argv,
|
||||
/* follow links on command line unless -l, -s or -F: */
|
||||
!((all_fmt & (STYLE_LONG|LIST_BLOCKS)) || (option_mask32 & OPT_F))
|
||||
/* ... or if -H: */
|
||||
|| (option_mask32 & OPT_H)
|
||||
);
|
||||
argv++;
|
||||
if (!cur)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user