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ls: fix bits for -T, -w and --color; make -n imply -l; fix comments

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2011-02-28 12:16:10 +01:00
parent c6450c974f
commit 9f368e38fb
1 changed files with 20 additions and 25 deletions
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45
coreutils/ls.c
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@ -159,7 +159,7 @@ STYLE_MASK = STYLE_SINGLE,
/* which of the three times will be used */ /* which of the three times will be used */
TIME_CHANGE = (1 << 21) * ENABLE_FEATURE_LS_TIMESTAMPS, TIME_CHANGE = (1 << 21) * ENABLE_FEATURE_LS_TIMESTAMPS,
TIME_ACCESS = (1 << 22) * ENABLE_FEATURE_LS_TIMESTAMPS, TIME_ACCESS = (2 << 21) * ENABLE_FEATURE_LS_TIMESTAMPS,
TIME_MASK = (3 << 21) * ENABLE_FEATURE_LS_TIMESTAMPS, TIME_MASK = (3 << 21) * ENABLE_FEATURE_LS_TIMESTAMPS,
/* how will the files be sorted (CONFIG_FEATURE_LS_SORTFILES) */ /* how will the files be sorted (CONFIG_FEATURE_LS_SORTFILES) */
@ -189,10 +189,9 @@ LIST_LONG = LIST_MODEBITS | LIST_NLINKS | LIST_ID_NAME | LIST_SIZE | \
/* Not fully compatible - we show not only '/' but other chars too */ /* Not fully compatible - we show not only '/' but other chars too */
/* -SXvhTw GNU options, busybox optionally supports */ /* -SXvhTw GNU options, busybox optionally supports */
/* -T TABWIDTH is ignored (we don't use tabs on output) */ /* -T TABWIDTH is ignored (we don't use tabs on output) */
/* -K SELinux mandated options, busybox optionally supports */ /* -KZ SELinux mandated options, busybox optionally supports */
/* (coreutils 8.4 has no -K, remove it?) */
/* -e I think we made this one up (looks similar to GNU --full-time) */ /* -e I think we made this one up (looks similar to GNU --full-time) */
/* Std opts we do not support: */
/* -H Follow the links on command line only */
static const char ls_options[] ALIGN1 = static const char ls_options[] ALIGN1 =
"Cadil1gnsxQAk" /* 13 opts, total 13 */ "Cadil1gnsxQAk" /* 13 opts, total 13 */
IF_FEATURE_LS_TIMESTAMPS("cetu") /* 4, 17 */ IF_FEATURE_LS_TIMESTAMPS("cetu") /* 4, 17 */
@ -235,7 +234,7 @@ enum {
OPTBIT_L = OPTBIT_K + 2 * ENABLE_SELINUX, OPTBIT_L = OPTBIT_K + 2 * ENABLE_SELINUX,
OPTBIT_H, /* 27 */ OPTBIT_H, /* 27 */
OPTBIT_h = OPTBIT_L + 2 * ENABLE_FEATURE_LS_FOLLOWLINKS, OPTBIT_h = OPTBIT_L + 2 * ENABLE_FEATURE_LS_FOLLOWLINKS,
OPTBIT_T = OPTBIT_h + 2 * ENABLE_FEATURE_HUMAN_READABLE, OPTBIT_T = OPTBIT_h + 1 * ENABLE_FEATURE_HUMAN_READABLE,
OPTBIT_w, /* 30 */ OPTBIT_w, /* 30 */
OPTBIT_color = OPTBIT_T + 2 * ENABLE_FEATURE_AUTOWIDTH, OPTBIT_color = OPTBIT_T + 2 * ENABLE_FEATURE_AUTOWIDTH,
@ -269,12 +268,12 @@ static const uint32_t opt_flags[] = {
LIST_LONG | STYLE_LONG, /* l */ LIST_LONG | STYLE_LONG, /* l */
STYLE_SINGLE, /* 1 */ STYLE_SINGLE, /* 1 */
0, /* g (don't show owner) - handled via OPT_g */ 0, /* g (don't show owner) - handled via OPT_g */
LIST_ID_NUMERIC, /* n */ LIST_ID_NUMERIC | LIST_LONG | STYLE_LONG, /* n (assumes l) */
LIST_BLOCKS, /* s */ LIST_BLOCKS, /* s */
DISP_ROWS | STYLE_COLUMNAR, /* x */ DISP_ROWS | STYLE_COLUMNAR, /* x */
0, /* Q (quote filename) - handled via OPT_Q */ 0, /* Q (quote filename) - handled via OPT_Q */
DISP_HIDDEN, /* A */ DISP_HIDDEN, /* A */
ENABLE_SELINUX * LIST_CONTEXT, /* k (ignored if !SELINUX) */ ENABLE_SELINUX * (LIST_CONTEXT|STYLE_SINGLE), /* k (ignored if !SELINUX) */
#if ENABLE_FEATURE_LS_TIMESTAMPS #if ENABLE_FEATURE_LS_TIMESTAMPS
TIME_CHANGE | (ENABLE_FEATURE_LS_SORTFILES * SORT_CTIME), /* c */ TIME_CHANGE | (ENABLE_FEATURE_LS_SORTFILES * SORT_CTIME), /* c */
LIST_FULLTIME, /* e */ LIST_FULLTIME, /* e */
@ -295,8 +294,8 @@ static const uint32_t opt_flags[] = {
DISP_RECURSIVE, /* R */ DISP_RECURSIVE, /* R */
#endif #endif
#if ENABLE_SELINUX #if ENABLE_SELINUX
LIST_MODEBITS|LIST_NLINKS|LIST_CONTEXT|LIST_SIZE|LIST_DATE_TIME, /* K */ LIST_MODEBITS|LIST_NLINKS|LIST_CONTEXT|LIST_SIZE|LIST_DATE_TIME|STYLE_SINGLE, /* K */
LIST_MODEBITS|LIST_ID_NAME|LIST_CONTEXT, /* Z */ LIST_MODEBITS|LIST_ID_NAME|LIST_CONTEXT|STYLE_SINGLE, /* Z */
#endif #endif
(1U << 31) (1U << 31)
/* options after Z are not processed through opt_flags */ /* options after Z are not processed through opt_flags */
@ -688,8 +687,16 @@ static NOINLINE unsigned list_single(const struct dnode *dn)
column += printf("%-10s ", (char *) bb_mode_string(dn->dstat.st_mode)); column += printf("%-10s ", (char *) bb_mode_string(dn->dstat.st_mode));
if (all_fmt & LIST_NLINKS) if (all_fmt & LIST_NLINKS)
column += printf("%4lu ", (long) dn->dstat.st_nlink); column += printf("%4lu ", (long) dn->dstat.st_nlink);
if (all_fmt & LIST_ID_NUMERIC) {
if (option_mask32 & OPT_g)
column += printf("%-8u ", (int) dn->dstat.st_gid);
else
column += printf("%-8u %-8u ",
(int) dn->dstat.st_uid,
(int) dn->dstat.st_gid);
}
#if ENABLE_FEATURE_LS_USERNAME #if ENABLE_FEATURE_LS_USERNAME
if (all_fmt & LIST_ID_NAME) { else if (all_fmt & LIST_ID_NAME) {
if (option_mask32 & OPT_g) { if (option_mask32 & OPT_g) {
column += printf("%-8.8s ", column += printf("%-8.8s ",
get_cached_groupname(dn->dstat.st_gid)); get_cached_groupname(dn->dstat.st_gid));
@ -700,14 +707,6 @@ static NOINLINE unsigned list_single(const struct dnode *dn)
} }
} }
#endif #endif
if (all_fmt & LIST_ID_NUMERIC) {
if (option_mask32 & OPT_g)
column += printf("%-8u ", (int) dn->dstat.st_gid);
else
column += printf("%-8u %-8u ",
(int) dn->dstat.st_uid,
(int) dn->dstat.st_gid);
}
if (all_fmt & LIST_SIZE) { if (all_fmt & LIST_SIZE) {
if (S_ISBLK(dn->dstat.st_mode) || S_ISCHR(dn->dstat.st_mode)) { if (S_ISBLK(dn->dstat.st_mode) || S_ISCHR(dn->dstat.st_mode)) {
column += printf("%4u, %3u ", column += printf("%4u, %3u ",
@ -1040,7 +1039,8 @@ int ls_main(int argc UNUSED_PARAM, char **argv)
init_unicode(); init_unicode();
all_fmt = ENABLE_FEATURE_LS_SORTFILES * SORT_NAME; if (ENABLE_FEATURE_LS_SORTFILES)
all_fmt = SORT_NAME;
#if ENABLE_FEATURE_AUTOWIDTH #if ENABLE_FEATURE_AUTOWIDTH
/* obtain the terminal width */ /* obtain the terminal width */
@ -1081,8 +1081,6 @@ int ls_main(int argc UNUSED_PARAM, char **argv)
if (flags & TIME_MASK) if (flags & TIME_MASK)
all_fmt &= ~TIME_MASK; all_fmt &= ~TIME_MASK;
if (flags & LIST_CONTEXT)
all_fmt |= STYLE_SINGLE;
all_fmt |= flags; all_fmt |= flags;
} }
} }
@ -1121,11 +1119,8 @@ int ls_main(int argc UNUSED_PARAM, char **argv)
if (all_fmt & TIME_ACCESS) if (all_fmt & TIME_ACCESS)
all_fmt = (all_fmt & ~SORT_MASK) | SORT_ATIME; all_fmt = (all_fmt & ~SORT_MASK) | SORT_ATIME;
} }
if ((all_fmt & STYLE_MASK) != STYLE_LONG) /* only for long list */ if ((all_fmt & STYLE_MASK) != STYLE_LONG) /* not -l? */
all_fmt &= ~(LIST_ID_NUMERIC|LIST_ID_NAME|LIST_FULLTIME); all_fmt &= ~(LIST_ID_NUMERIC|LIST_ID_NAME|LIST_FULLTIME);
if (ENABLE_FEATURE_LS_USERNAME)
if ((all_fmt & STYLE_MASK) == STYLE_LONG && (all_fmt & LIST_ID_NUMERIC))
all_fmt &= ~LIST_ID_NAME; /* don't list names if numeric uid */
/* choose a display format if one was not already specified by an option */ /* choose a display format if one was not already specified by an option */
if (!(all_fmt & STYLE_MASK)) if (!(all_fmt & STYLE_MASK))