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ls: LIST_NLINKS/SIZE/DATE_TIME/SYMLINK are always the same, merge as LIST_LOPT

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They are always set and cleared together

function                                             old     new   delta
append_char                                           69      68      -1
display_single                                       910     908      -2
ls_main                                              677     664     -13
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-16)             Total: -16 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2017-01-23 19:05:11 +01:00
parent 5d43ddc59b
commit 2c3131d88e
1 changed files with 29 additions and 33 deletions
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62
coreutils/ls.c
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@ -198,31 +198,27 @@ SPLIT_SUBDIR = 2,
/* 51306 lrwxrwxrwx 1 root root 2 May 11 01:43 /bin/view -> vi* */
/* what file information will be listed */
LIST_MODEBITS = 1 << 2,
LIST_NLINKS = 1 << 3,
LIST_ID_NAME = 1 << 4,
LIST_ID_NUMERIC = 1 << 5,
LIST_CONTEXT = 1 << 6,
LIST_SIZE = 1 << 7,
LIST_DATE_TIME = 1 << 8,
LIST_FULLTIME = 1 << 9,
LIST_SYMLINK = 1 << 10,
LIST_FILETYPE = 1 << 11, /* show / suffix for dirs */
LIST_CLASSIFY = 1 << 12, /* requires LIST_FILETYPE, also show *,|,@,= suffixes */
LIST_MODEBITS = 1 << 0,
LIST_LOPT = 1 << 1, /* long listing (-l and equivalents) */
LIST_ID_NAME = 1 << 2,
LIST_ID_NUMERIC = 1 << 3,
LIST_CONTEXT = 1 << 4,
LIST_FULLTIME = 1 << 5,
LIST_FILETYPE = 1 << 6, /* show / suffix for dirs */
LIST_CLASSIFY = 1 << 7, /* requires LIST_FILETYPE, also show *,|,@,= suffixes */
LIST_LONG = LIST_MODEBITS | LIST_NLINKS | LIST_ID_NAME | LIST_SIZE | \
LIST_DATE_TIME | LIST_SYMLINK,
LIST_LONG = LIST_LOPT | LIST_MODEBITS | LIST_ID_NAME,
/* what files will be displayed */
DISP_DIRNAME = 1 << 13, /* 2 or more items? label directories */
DISP_NOLIST = 1 << 16, /* show directory as itself, not contents */
DISP_RECURSIVE = 1 << 17, /* show directory and everything below it */
DISP_ROWS = 1 << 18, /* print across rows */
DISP_DIRNAME = 1 << 8, /* 2 or more items? label directories */
DISP_NOLIST = 1 << 9, /* show directory as itself, not contents */
DISP_RECURSIVE = 1 << 10, /* show directory and everything below it */
DISP_ROWS = 1 << 11, /* print across rows */
/* what is the overall style of the listing */
STYLE_COLUMNAR = 1 << 19, /* many records per line */
STYLE_LONG = 2 << 19, /* one record per line, extended info */
STYLE_SINGLE = 3 << 19, /* one record per line */
STYLE_COLUMNAR = 1 << 12, /* many records per line */
STYLE_LONG = 2 << 12, /* one record per line, extended info */
STYLE_SINGLE = 3 << 12, /* one record per line */
STYLE_MASK = STYLE_SINGLE,
};
@ -549,18 +545,18 @@ static NOINLINE unsigned display_single(const struct dnode *dn)
/* Do readlink early, so that if it fails, error message
* does not appear *inside* the "ls -l" line */
lpath = NULL;
if (G.all_fmt & LIST_SYMLINK)
if (G.all_fmt & LIST_LOPT)
if (S_ISLNK(dn->dn_mode))
lpath = xmalloc_readlink_or_warn(dn->fullname);
if (option_mask32 & OPT_i) /* list inodes */
if (option_mask32 & OPT_i) /* show inode# */
column += printf("%7llu ", (long long) dn->dn_ino);
//TODO: -h should affect -s too:
if (option_mask32 & OPT_s) /* list allocated blocks */
if (option_mask32 & OPT_s) /* show allocated blocks */
column += printf("%6"OFF_FMT"u ", (off_t) (dn->dn_blocks >> 1));
if (G.all_fmt & LIST_MODEBITS)
column += printf("%-10s ", (char *) bb_mode_string(dn->dn_mode));
if (G.all_fmt & LIST_NLINKS)
if (G.all_fmt & LIST_LOPT) /* long listing: show number of links */
column += printf("%4lu ", (long) dn->dn_nlink);
if (G.all_fmt & LIST_ID_NUMERIC) {
if (option_mask32 & OPT_g)
@ -582,7 +578,8 @@ static NOINLINE unsigned display_single(const struct dnode *dn)
}
}
#endif
if (G.all_fmt & LIST_SIZE) {
if (G.all_fmt & LIST_LOPT) {
/* long listing: show size */
if (S_ISBLK(dn->dn_mode) || S_ISCHR(dn->dn_mode)) {
column += printf("%4u, %3u ",
dn->dn_rdev_maj,
@ -597,23 +594,22 @@ static NOINLINE unsigned display_single(const struct dnode *dn)
column += printf("%9"OFF_FMT"u ", dn->dn_size);
}
}
}
#if ENABLE_FEATURE_LS_TIMESTAMPS
if (G.all_fmt & (LIST_FULLTIME|LIST_DATE_TIME)) {
const time_t *ttime = &dn->dn_time;
/* long listing: show {m,c,a}time */
if (G.all_fmt & LIST_FULLTIME) { /* --full-time */
/* coreutils 8.4 ls --full-time prints:
* 2009-07-13 17:49:27.000000000 +0200
* we don't show fractional seconds.
*/
char buf[sizeof("YYYY-mm-dd HH:MM:SS TIMEZONE")];
strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S %z", localtime(ttime));
strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S %z",
localtime(&dn->dn_time));
column += printf("%s ", buf);
} else { /* LIST_DATE_TIME */
} else { /* ordinary time format */
/* G.current_time_t is ~== time(NULL) */
char *filetime = ctime(ttime);
char *filetime = ctime(&dn->dn_time);
/* filetime's format: "Wed Jun 30 21:49:08 1993\n" */
time_t age = G.current_time_t - *ttime;
time_t age = G.current_time_t - dn->dn_time;
if (age < 3600L * 24 * 365 / 2 && age > -15 * 60) {
/* less than 6 months old */
/* "mmm dd hh:mm " */
@ -626,8 +622,8 @@ static NOINLINE unsigned display_single(const struct dnode *dn)
}
column += 13;
}
}
#endif
}
#if ENABLE_SELINUX
if (G.all_fmt & LIST_CONTEXT) {
column += printf("%-32s ", dn->sid ? dn->sid : "unknown");