IF_SELINUX(security_context_t sid;)
};
-static struct dnode **list_dir(const char *, unsigned *);
-static unsigned list_single(const struct dnode *);
-
struct globals {
#if ENABLE_FEATURE_LS_COLOR
smallint show_color;
/* Do time() just once. Saves one syscall per file for "ls -l" */
time_t current_time_t;
#endif
-};
+} FIX_ALIASING;
#define G (*(struct globals*)&bb_common_bufsiz1)
#if ENABLE_FEATURE_LS_COLOR
# define show_color (G.show_color )
struct dnode *d1 = *(struct dnode **)a;
struct dnode *d2 = *(struct dnode **)b;
unsigned sort_opts = all_fmt & SORT_MASK;
- int dif;
+ off_t dif;
dif = 0; /* assume SORT_NAME */
// TODO: use pre-initialized function pointer
// instead of branch forest
if (sort_opts == SORT_SIZE) {
- dif = (int) (d2->dstat.st_size - d1->dstat.st_size);
+ dif = (d2->dstat.st_size - d1->dstat.st_size);
} else if (sort_opts == SORT_ATIME) {
- dif = (int) (d2->dstat.st_atime - d1->dstat.st_atime);
+ dif = (d2->dstat.st_atime - d1->dstat.st_atime);
} else if (sort_opts == SORT_CTIME) {
- dif = (int) (d2->dstat.st_ctime - d1->dstat.st_ctime);
+ dif = (d2->dstat.st_ctime - d1->dstat.st_ctime);
} else if (sort_opts == SORT_MTIME) {
- dif = (int) (d2->dstat.st_mtime - d1->dstat.st_mtime);
+ dif = (d2->dstat.st_mtime - d1->dstat.st_mtime);
} else if (sort_opts == SORT_DIR) {
dif = S_ISDIR(d2->dstat.st_mode) - S_ISDIR(d1->dstat.st_mode);
/* } else if (sort_opts == SORT_VERSION) { */
/* } else if (sort_opts == SORT_EXT) { */
}
-
if (dif == 0) {
- /* sort by name - may be a tie_breaker for time or size cmp */
- if (ENABLE_LOCALE_SUPPORT) dif = strcoll(d1->name, d2->name);
- else dif = strcmp(d1->name, d2->name);
+ /* sort by name, or tie_breaker for other sorts */
+ if (ENABLE_LOCALE_SUPPORT)
+ dif = strcoll(d1->name, d2->name);
+ else
+ dif = strcmp(d1->name, d2->name);
}
- if (all_fmt & SORT_REVERSE) {
- dif = -dif;
+ /* Make dif fit into an int */
+ if (sizeof(dif) > sizeof(int)) {
+ enum { BITS_TO_SHIFT = 8 * (sizeof(dif) - sizeof(int)) };
+ /* shift leaving only "int" worth of bits */
+ if (dif != 0) {
+ dif = 1 | (int)((uoff_t)dif >> BITS_TO_SHIFT);
+ }
}
- return dif;
+
+ return (all_fmt & SORT_REVERSE) ? -(int)dif : (int)dif;
}
static void dnsort(struct dnode **dn, int size)
#endif
-static void showfiles(struct dnode **dn, unsigned nfiles)
+static unsigned calc_name_len(const char *name)
+{
+ unsigned len;
+ uni_stat_t uni_stat;
+
+ // TODO: quote tab as \t, etc, if -Q
+ name = printable_string(&uni_stat, name);
+
+ if (!(option_mask32 & OPT_Q)) {
+ return uni_stat.unicode_width;
+ }
+
+ len = 2 + uni_stat.unicode_width;
+ while (*name) {
+ if (*name == '"' || *name == '\\') {
+ len++;
+ }
+ name++;
+ }
+ return len;
+}
+
+
+/* Return the number of used columns.
+ * Note that only STYLE_COLUMNS 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)
+ * ls -N (--literal) = not escape at all
+ */
+static unsigned print_name(const char *name)
+{
+ unsigned len;
+ uni_stat_t uni_stat;
+
+ // TODO: quote tab as \t, etc, if -Q
+ name = printable_string(&uni_stat, name);
+
+ if (!(option_mask32 & OPT_Q)) {
+ fputs(name, stdout);
+ return uni_stat.unicode_width;
+ }
+
+ len = 2 + uni_stat.unicode_width;
+ putchar('"');
+ while (*name) {
+ if (*name == '"' || *name == '\\') {
+ putchar('\\');
+ len++;
+ }
+ putchar(*name++);
+ }
+ putchar('"');
+ return len;
+}
+
+/* Return the number of used columns.
+ * Note that only STYLE_COLUMNS uses return value,
+ * STYLE_SINGLE and STYLE_LONG don't care.
+ */
+static NOINLINE unsigned list_single(const struct dnode *dn)
{
- unsigned i, ncols, nrows, row, nc;
unsigned column = 0;
- unsigned nexttab = 0;
- unsigned column_width = 0; /* for STYLE_LONG and STYLE_SINGLE not used */
+ char *lpath = lpath; /* for compiler */
+#if ENABLE_FEATURE_LS_FILETYPES || ENABLE_FEATURE_LS_COLOR
+ struct stat info;
+ char append;
+#endif
/* Never happens:
- if (dn == NULL || nfiles < 1)
- return;
+ if (dn->fullname == NULL)
+ return 0;
*/
- if (all_fmt & STYLE_LONG) {
+#if ENABLE_FEATURE_LS_FILETYPES
+ append = append_char(dn->dstat.st_mode);
+#endif
+
+ /* Do readlink early, so that if it fails, error message
+ * does not appear *inside* the "ls -l" line */
+ if (all_fmt & LIST_SYMLINK)
+ if (S_ISLNK(dn->dstat.st_mode))
+ lpath = xmalloc_readlink_or_warn(dn->fullname);
+
+ if (all_fmt & LIST_INO)
+ column += printf("%7llu ", (long long) dn->dstat.st_ino);
+ if (all_fmt & LIST_BLOCKS)
+ column += printf("%4"OFF_FMT"u ", (off_t) (dn->dstat.st_blocks >> 1));
+ if (all_fmt & LIST_MODEBITS)
+ column += printf("%-10s ", (char *) bb_mode_string(dn->dstat.st_mode));
+ if (all_fmt & LIST_NLINKS)
+ column += printf("%4lu ", (long) dn->dstat.st_nlink);
+#if ENABLE_FEATURE_LS_USERNAME
+ if (all_fmt & LIST_ID_NAME) {
+ if (option_mask32 & OPT_g) {
+ column += printf("%-8.8s ",
+ get_cached_username(dn->dstat.st_uid));
+ } else {
+ column += printf("%-8.8s %-8.8s ",
+ get_cached_username(dn->dstat.st_uid),
+ get_cached_groupname(dn->dstat.st_gid));
+ }
+ }
+#endif
+ if (all_fmt & LIST_ID_NUMERIC) {
+ if (option_mask32 & OPT_g)
+ column += printf("%-8u ", (int) dn->dstat.st_uid);
+ else
+ column += printf("%-8u %-8u ",
+ (int) dn->dstat.st_uid,
+ (int) dn->dstat.st_gid);
+ }
+ if (all_fmt & (LIST_SIZE /*|LIST_DEV*/ )) {
+ if (S_ISBLK(dn->dstat.st_mode) || S_ISCHR(dn->dstat.st_mode)) {
+ column += printf("%4u, %3u ",
+ (int) major(dn->dstat.st_rdev),
+ (int) minor(dn->dstat.st_rdev));
+ } else {
+ if (all_fmt & LS_DISP_HR) {
+ 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)
+ );
+ } else {
+ column += printf("%9"OFF_FMT"u ", (off_t) dn->dstat.st_size);
+ }
+ }
+ }
+#if ENABLE_FEATURE_LS_TIMESTAMPS
+ if (all_fmt & (LIST_FULLTIME|LIST_DATE_TIME)) {
+ char *filetime;
+ time_t ttime = dn->dstat.st_mtime;
+ if (all_fmt & TIME_ACCESS)
+ ttime = dn->dstat.st_atime;
+ if (all_fmt & TIME_CHANGE)
+ ttime = dn->dstat.st_ctime;
+ filetime = ctime(&ttime);
+ /* filetime's format: "Wed Jun 30 21:49:08 1993\n" */
+ if (all_fmt & LIST_FULLTIME)
+ column += printf("%.24s ", filetime);
+ else { /* LIST_DATE_TIME */
+ /* current_time_t ~== time(NULL) */
+ time_t age = current_time_t - ttime;
+ printf("%.6s ", filetime + 4); /* "Jun 30" */
+ if (age < 3600L * 24 * 365 / 2 && age > -15 * 60) {
+ /* hh:mm if less than 6 months old */
+ printf("%.5s ", filetime + 11);
+ } else { /* year. buggy if year > 9999 ;) */
+ printf(" %.4s ", filetime + 20);
+ }
+ column += 13;
+ }
+ }
+#endif
+#if ENABLE_SELINUX
+ if (all_fmt & LIST_CONTEXT) {
+ column += printf("%-32s ", dn->sid ? dn->sid : "unknown");
+ freecon(dn->sid);
+ }
+#endif
+ if (all_fmt & LIST_FILENAME) {
+#if ENABLE_FEATURE_LS_COLOR
+ if (show_color) {
+ info.st_mode = 0; /* for fgcolor() */
+ lstat(dn->fullname, &info);
+ printf("\033[%u;%um", bold(info.st_mode),
+ fgcolor(info.st_mode));
+ }
+#endif
+ column += print_name(dn->name);
+ if (show_color) {
+ printf("\033[0m");
+ }
+ }
+ if (all_fmt & LIST_SYMLINK) {
+ if (S_ISLNK(dn->dstat.st_mode) && lpath) {
+ printf(" -> ");
+#if ENABLE_FEATURE_LS_FILETYPES || ENABLE_FEATURE_LS_COLOR
+#if ENABLE_FEATURE_LS_COLOR
+ info.st_mode = 0; /* for fgcolor() */
+#endif
+ if (stat(dn->fullname, &info) == 0) {
+ append = append_char(info.st_mode);
+ }
+#endif
+#if ENABLE_FEATURE_LS_COLOR
+ if (show_color) {
+ printf("\033[%u;%um", bold(info.st_mode),
+ fgcolor(info.st_mode));
+ }
+#endif
+ column += print_name(lpath) + 4;
+ if (show_color) {
+ printf("\033[0m");
+ }
+ free(lpath);
+ }
+ }
+#if ENABLE_FEATURE_LS_FILETYPES
+ if (all_fmt & LIST_FILETYPE) {
+ if (append) {
+ putchar(append);
+ column++;
+ }
+ }
+#endif
+
+ return column;
+}
+
+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 */
+
+ if (all_fmt & STYLE_LONG) { /* STYLE_LONG or STYLE_SINGLE */
ncols = 1;
} else {
/* find the longest file name, use that as the column width */
for (i = 0; dn[i]; i++) {
- int len = bb_mbstrlen(dn[i]->name);
+ int len = calc_name_len(dn[i]->name);
if (column_width < len)
column_width = len;
}
column_width += tabstops +
IF_SELINUX( ((all_fmt & LIST_CONTEXT) ? 33 : 0) + )
- ((all_fmt & LIST_INO) ? 8 : 0) +
- ((all_fmt & LIST_BLOCKS) ? 5 : 0);
+ ((all_fmt & LIST_INO) ? 8 : 0) +
+ ((all_fmt & LIST_BLOCKS) ? 5 : 0);
ncols = (int) (terminal_width / column_width);
}
#endif
+static struct dnode **list_dir(const char *, unsigned *);
+
static void showdirs(struct dnode **dn, int first)
{
unsigned nfiles;
}
subdnp = list_dir((*dn)->fullname, &nfiles);
#if ENABLE_DESKTOP
- if (all_fmt & STYLE_LONG)
+ if ((all_fmt & STYLE_MASK) == STYLE_LONG)
printf("total %"OFF_FMT"u\n", calculate_blocks(subdnp));
#endif
if (nfiles > 0) {
}
-static int print_name(const char *name)
-{
- if (option_mask32 & OPT_Q) {
-#if ENABLE_FEATURE_ASSUME_UNICODE
- unsigned len = 2 + bb_mbstrlen(name);
-#else
- unsigned len = 2;
-#endif
- putchar('"');
- while (*name) {
- if (*name == '"') {
- putchar('\\');
- len++;
- }
- putchar(*name++);
- if (!ENABLE_FEATURE_ASSUME_UNICODE)
- len++;
- }
- putchar('"');
- return len;
- }
- /* No -Q: */
-#if ENABLE_FEATURE_ASSUME_UNICODE
- fputs(name, stdout);
- return bb_mbstrlen(name);
-#else
- return printf("%s", name);
-#endif
-}
-
-
-static NOINLINE unsigned list_single(const struct dnode *dn)
-{
- unsigned column = 0;
- char *lpath = lpath; /* for compiler */
-#if ENABLE_FEATURE_LS_TIMESTAMPS
- char *filetime;
- time_t ttime, age;
-#endif
-#if ENABLE_FEATURE_LS_FILETYPES || ENABLE_FEATURE_LS_COLOR
- struct stat info;
- char append;
-#endif
-
- /* Never happens:
- if (dn->fullname == NULL)
- return 0;
- */
-
-#if ENABLE_FEATURE_LS_TIMESTAMPS
- ttime = dn->dstat.st_mtime; /* the default time */
- if (all_fmt & TIME_ACCESS)
- ttime = dn->dstat.st_atime;
- if (all_fmt & TIME_CHANGE)
- ttime = dn->dstat.st_ctime;
- filetime = ctime(&ttime);
-#endif
-#if ENABLE_FEATURE_LS_FILETYPES
- append = append_char(dn->dstat.st_mode);
-#endif
-
- /* Do readlink early, so that if it fails, error message
- * does not appear *inside* of the "ls -l" line */
- if (all_fmt & LIST_SYMLINK)
- if (S_ISLNK(dn->dstat.st_mode))
- lpath = xmalloc_readlink_or_warn(dn->fullname);
-
- if (all_fmt & LIST_INO)
- column += printf("%7lu ", (long) dn->dstat.st_ino);
- if (all_fmt & LIST_BLOCKS)
- column += printf("%4"OFF_FMT"u ", (off_t) dn->dstat.st_blocks >> 1);
- if (all_fmt & LIST_MODEBITS)
- column += printf("%-10s ", (char *) bb_mode_string(dn->dstat.st_mode));
- if (all_fmt & LIST_NLINKS)
- column += printf("%4lu ", (long) dn->dstat.st_nlink);
-#if ENABLE_FEATURE_LS_USERNAME
- if (all_fmt & LIST_ID_NAME) {
- if (option_mask32 & OPT_g) {
- column += printf("%-8.8s",
- get_cached_username(dn->dstat.st_uid));
- } else {
- column += printf("%-8.8s %-8.8s",
- get_cached_username(dn->dstat.st_uid),
- get_cached_groupname(dn->dstat.st_gid));
- }
- }
-#endif
- if (all_fmt & LIST_ID_NUMERIC) {
- if (option_mask32 & OPT_g)
- column += printf("%-8u", (int) dn->dstat.st_uid);
- else
- column += printf("%-8u %-8u",
- (int) dn->dstat.st_uid,
- (int) dn->dstat.st_gid);
- }
- if (all_fmt & (LIST_SIZE /*|LIST_DEV*/ )) {
- if (S_ISBLK(dn->dstat.st_mode) || S_ISCHR(dn->dstat.st_mode)) {
- column += printf("%4u, %3u ",
- (int) major(dn->dstat.st_rdev),
- (int) minor(dn->dstat.st_rdev));
- } else {
- if (all_fmt & LS_DISP_HR) {
- column += printf("%9s ",
- /* print st_size, show one fractional, use suffixes */
- make_human_readable_str(dn->dstat.st_size, 1, 0)
- );
- } else {
- column += printf("%9"OFF_FMT"u ", (off_t) dn->dstat.st_size);
- }
- }
- }
-#if ENABLE_FEATURE_LS_TIMESTAMPS
- if (all_fmt & LIST_FULLTIME)
- column += printf("%24.24s ", filetime);
- if (all_fmt & LIST_DATE_TIME)
- if ((all_fmt & LIST_FULLTIME) == 0) {
- /* current_time_t ~== time(NULL) */
- age = current_time_t - ttime;
- printf("%6.6s ", filetime + 4);
- if (age < 3600L * 24 * 365 / 2 && age > -15 * 60) {
- /* hh:mm if less than 6 months old */
- printf("%5.5s ", filetime + 11);
- } else {
- printf(" %4.4s ", filetime + 20);
- }
- column += 13;
- }
-#endif
-#if ENABLE_SELINUX
- if (all_fmt & LIST_CONTEXT) {
- column += printf("%-32s ", dn->sid ? dn->sid : "unknown");
- freecon(dn->sid);
- }
-#endif
- if (all_fmt & LIST_FILENAME) {
-#if ENABLE_FEATURE_LS_COLOR
- if (show_color) {
- info.st_mode = 0; /* for fgcolor() */
- lstat(dn->fullname, &info);
- printf("\033[%u;%um", bold(info.st_mode),
- fgcolor(info.st_mode));
- }
-#endif
- column += print_name(dn->name);
- if (show_color) {
- printf("\033[0m");
- }
- }
- if (all_fmt & LIST_SYMLINK) {
- if (S_ISLNK(dn->dstat.st_mode) && lpath) {
- printf(" -> ");
-#if ENABLE_FEATURE_LS_FILETYPES || ENABLE_FEATURE_LS_COLOR
-#if ENABLE_FEATURE_LS_COLOR
- info.st_mode = 0; /* for fgcolor() */
-#endif
- if (stat(dn->fullname, &info) == 0) {
- append = append_char(info.st_mode);
- }
-#endif
-#if ENABLE_FEATURE_LS_COLOR
- if (show_color) {
- printf("\033[%u;%um", bold(info.st_mode),
- fgcolor(info.st_mode));
- }
-#endif
- column += print_name(lpath) + 4;
- if (show_color) {
- printf("\033[0m");
- }
- free(lpath);
- }
- }
-#if ENABLE_FEATURE_LS_FILETYPES
- if (all_fmt & LIST_FILETYPE) {
- if (append) {
- putchar(append);
- column++;
- }
- }
-#endif
-
- return column;
-}
-
-
int ls_main(int argc UNUSED_PARAM, char **argv)
{
struct dnode **dnd;
INIT_G();
- check_unicode_in_env();
+ init_unicode();
all_fmt = LIST_SHORT |
(ENABLE_FEATURE_LS_SORTFILES * (SORT_NAME | SORT_FORWARD));
projects / oweals / busybox.git / blobdiff