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ls: make -x force columnar output; remove unused parts of TRIGGER code

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2010-12-19 05:43:44 +01:00
parent f313746a6d
commit d87815d5e0
1 changed files with 30 additions and 43 deletions
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73
coreutils/ls.c
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@ -56,7 +56,7 @@ TERMINAL_WIDTH = 80, /* use 79 if terminal has linefold bug */
COLUMN_GAP = 2, /* includes the file type char */
/* what is the overall style of the listing */
STYLE_COLUMNS = 1 << 21, /* fill columns */
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,
@ -167,52 +167,45 @@ enum {
OPT_color = 1 << OPTBIT_color,
};
enum {
LIST_MASK_TRIGGER = 0,
STYLE_MASK_TRIGGER = STYLE_MASK,
DISP_MASK_TRIGGER = DISP_ROWS,
SORT_MASK_TRIGGER = SORT_MASK,
};
/* TODO: simple toggles may be stored as OPT_xxx bits instead */
static const unsigned opt_flags[] = {
LIST_SHORT | STYLE_COLUMNS, /* C */
DISP_HIDDEN | DISP_DOT, /* a */
DISP_NOLIST, /* d */
LIST_INO, /* i */
LIST_LONG | STYLE_LONG, /* l - remember LS_DISP_HR in mask! */
LIST_SHORT | STYLE_SINGLE, /* 1 */
0, /* g (don't show owner) - handled via OPT_g */
LIST_ID_NUMERIC, /* n */
LIST_BLOCKS, /* s */
DISP_ROWS, /* x */
0, /* Q (quote filename) - handled via OPT_Q */
DISP_HIDDEN, /* A */
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_SHORT | STYLE_SINGLE, /* 1 */
0, /* g (don't show owner) - handled via OPT_g */
LIST_ID_NUMERIC, /* n */
LIST_BLOCKS, /* s */
LIST_SHORT | DISP_ROWS | STYLE_COLUMNAR, /* x */
0, /* Q (quote filename) - handled via OPT_Q */
DISP_HIDDEN, /* A */
ENABLE_SELINUX * LIST_CONTEXT, /* k (ignored if !SELINUX) */
#if ENABLE_FEATURE_LS_TIMESTAMPS
TIME_CHANGE | (ENABLE_FEATURE_LS_SORTFILES * SORT_CTIME), /* c */
LIST_FULLTIME, /* e */
LIST_FULLTIME, /* e */
ENABLE_FEATURE_LS_SORTFILES * SORT_MTIME, /* t */
TIME_ACCESS | (ENABLE_FEATURE_LS_SORTFILES * SORT_ATIME), /* u */
#endif
#if ENABLE_FEATURE_LS_SORTFILES
SORT_SIZE, /* S */
SORT_EXT, /* X */
SORT_REVERSE, /* r */
SORT_VERSION, /* v */
SORT_SIZE, /* S */
SORT_EXT, /* X */
SORT_REVERSE, /* r */
SORT_VERSION, /* v */
#endif
#if ENABLE_FEATURE_LS_FILETYPES
LIST_FILETYPE | LIST_EXEC, /* F */
LIST_FILETYPE, /* p */
LIST_FILETYPE | LIST_EXEC, /* F */
LIST_FILETYPE, /* p */
#endif
#if ENABLE_FEATURE_LS_FOLLOWLINKS
FOLLOW_LINKS, /* L */
FOLLOW_LINKS, /* L */
#endif
#if ENABLE_FEATURE_LS_RECURSIVE
DISP_RECURSIVE, /* R */
DISP_RECURSIVE, /* R */
#endif
#if ENABLE_FEATURE_HUMAN_READABLE
LS_DISP_HR, /* h */
LS_DISP_HR, /* h */
#endif
#if ENABLE_SELINUX
LIST_MODEBITS|LIST_NLINKS|LIST_CONTEXT|LIST_SIZE|LIST_DATE_TIME, /* K */
@ -547,7 +540,7 @@ static unsigned calc_name_len(const char *name)
/* Return the number of used columns.
* Note that only STYLE_COLUMNS uses return value.
* Note that only STYLE_COLUMNAR uses return value.
* STYLE_SINGLE and STYLE_LONG don't care.
* coreutils 7.2 also supports:
* ls -b (--escape) = octal escapes (although it doesn't look like working)
@ -581,7 +574,7 @@ static unsigned print_name(const char *name)
}
/* Return the number of used columns.
* Note that only STYLE_COLUMNS uses return value,
* Note that only STYLE_COLUMNAR uses return value,
* STYLE_SINGLE and STYLE_LONG don't care.
*/
static NOINLINE unsigned list_single(const struct dnode *dn)
@ -739,7 +732,7 @@ static void showfiles(struct dnode **dn, unsigned nfiles)
unsigned i, ncols, nrows, row, nc;
unsigned column = 0;
unsigned nexttab = 0;
unsigned column_width = 0; /* used only by STYLE_COLUMNS */
unsigned column_width = 0; /* used only by STYLE_COLUMNAR */
if (all_fmt & STYLE_LONG) { /* STYLE_LONG or STYLE_SINGLE */
ncols = 1;
@ -1005,21 +998,15 @@ int ls_main(int argc UNUSED_PARAM, char **argv)
if (opt & (1 << i)) {
unsigned flags = opt_flags[i];
if (flags & LIST_MASK_TRIGGER)
all_fmt &= ~LIST_MASK;
if (flags & STYLE_MASK_TRIGGER)
if (flags & STYLE_MASK)
all_fmt &= ~STYLE_MASK;
if (flags & SORT_MASK_TRIGGER)
if (flags & SORT_MASK)
all_fmt &= ~SORT_MASK;
if (flags & DISP_MASK_TRIGGER)
all_fmt &= ~DISP_MASK;
if (flags & TIME_MASK)
all_fmt &= ~TIME_MASK;
if (flags & LIST_CONTEXT)
all_fmt |= STYLE_SINGLE;
/* huh?? opt cannot be 'l' */
//if (LS_DISP_HR && opt == 'l')
// all_fmt &= ~LS_DISP_HR;
all_fmt |= flags;
}
}
@ -1066,7 +1053,7 @@ int ls_main(int argc UNUSED_PARAM, char **argv)
/* choose a display format if one was not already specified by an option */
if (!(all_fmt & STYLE_MASK))
all_fmt |= (isatty(STDOUT_FILENO) ? STYLE_COLUMNS : STYLE_SINGLE);
all_fmt |= (isatty(STDOUT_FILENO) ? STYLE_COLUMNAR : STYLE_SINGLE);
argv += optind;
if (!argv[0])