Beispiel #1
0
/*----------------------------------------------------------------------*/
static void showdirs(struct dnode **dn, int ndirs)
{
  //printf("=== ls showdirs\n");
	int i, nfiles;
	struct dnode **subdnp;

#ifdef CONFIG_FEATURE_LS_RECURSIVE
	int dndirs;
	struct dnode **dnd;
#endif

	if (dn == NULL || ndirs < 1)
		return;

	for (i = 0; i < ndirs; i++) {
		if (all_fmt & (DISP_DIRNAME | DISP_RECURSIVE)) {
			printf("\n%s:\n", dn[i]->fullname);
		}
		subdnp = list_dir(dn[i]->fullname);
		nfiles = countfiles(subdnp);
		if (nfiles > 0) {
			/* list all files at this level */
#ifdef CONFIG_FEATURE_LS_SORTFILES
			shellsort(subdnp, nfiles);
#endif
			showfiles(subdnp, nfiles);
#ifdef CONFIG_FEATURE_LS_RECURSIVE
			if (all_fmt & DISP_RECURSIVE) {
				/* recursive- list the sub-dirs */
				dnd = splitdnarray(subdnp, nfiles, SPLIT_SUBDIR);
				dndirs = countsubdirs(subdnp, nfiles);
				if (dndirs > 0) {
#ifdef CONFIG_FEATURE_LS_SORTFILES
					shellsort(dnd, dndirs);
#endif
					showdirs(dnd, dndirs);
					free(dnd);	/* free the array of dnode pointers to the dirs */
				}
			}
			dfree(subdnp);	/* free the dnodes and the fullname mem */
#endif
		}
	}
}
/*----------------------------------------------------------------------*/
extern int ls_main(int argc, char **argv)
{
	struct dnode **dnf, **dnd;
	int dnfiles, dndirs;
	struct dnode *dn, *cur, **dnp;
	int i, nfiles;
	int opt;
	int oi, ac;
	char **av;
#ifdef BB_FEATURE_AUTOWIDTH
	struct winsize win = { 0, 0, 0, 0 };
#endif

	disp_opts= DISP_NORMAL;
	style_fmt= STYLE_AUTO;
	list_fmt=  LIST_SHORT;
#ifdef BB_FEATURE_LS_SORTFILES
	sort_opts= SORT_NAME;
	sort_order=	SORT_FORWARD;
#endif
#ifdef BB_FEATURE_LS_TIMESTAMPS
	time_fmt= TIME_MOD;
#endif
#ifdef BB_FEATURE_AUTOWIDTH
	ioctl(fileno(stdout), TIOCGWINSZ, &win);
	if (win.ws_row > 4)
		column_width = win.ws_row - 2;
	if (win.ws_col > 0)
		terminal_width = win.ws_col - 1;
#endif
	nfiles=0;

	/* process options */
	while ((opt = getopt(argc, argv, "1AaCdgilnsx"
#ifdef BB_FEATURE_AUTOWIDTH
"T:w:"
#endif
#ifdef BB_FEATURE_LS_FILETYPES
"Fp"
#endif
#ifdef BB_FEATURE_LS_RECURSIVE
"R"
#endif
#ifdef BB_FEATURE_LS_SORTFILES
"rSvX"
#endif
#ifdef BB_FEATURE_LS_TIMESTAMPS
"cetu"
#endif
#ifdef BB_FEATURE_LS_FOLLOWLINKS
"L"
#endif
#ifdef BB_FEATURE_HUMAN_READABLE
"h"
#endif
"k")) > 0) {
		switch (opt) {
			case '1': style_fmt = STYLE_SINGLE; break;
			case 'A': disp_opts |= DISP_HIDDEN; break;
			case 'a': disp_opts |= DISP_HIDDEN | DISP_DOT; break;
			case 'C': style_fmt = STYLE_COLUMNS; break;
			case 'd': disp_opts |= DISP_NOLIST; break;
			case 'g': /* ignore -- for ftp servers */ break;
			case 'i': list_fmt |= LIST_INO; break;
			case 'l':
				style_fmt = STYLE_LONG;
				list_fmt |= LIST_LONG;
#ifdef BB_FEATURE_HUMAN_READABLE
				ls_disp_hr = FALSE;
#endif
			break;
			case 'n': list_fmt |= LIST_ID_NUMERIC; break;
			case 's': list_fmt |= LIST_BLOCKS; break;
			case 'x': disp_opts = DISP_ROWS; break;
#ifdef BB_FEATURE_LS_FILETYPES
			case 'F': list_fmt |= LIST_FILETYPE | LIST_EXEC; break;
			case 'p': list_fmt |= LIST_FILETYPE; break;
#endif
#ifdef BB_FEATURE_LS_RECURSIVE
			case 'R': disp_opts |= DISP_RECURSIVE; break;
#endif
#ifdef BB_FEATURE_LS_SORTFILES
			case 'r': sort_order |= SORT_REVERSE; break;
			case 'S': sort_opts= SORT_SIZE; break;
			case 'v': sort_opts= SORT_VERSION; break;
			case 'X': sort_opts= SORT_EXT; break;
#endif
#ifdef BB_FEATURE_LS_TIMESTAMPS
			case 'e': list_fmt |= LIST_FULLTIME; break;
			case 'c':
				time_fmt = TIME_CHANGE;
#ifdef BB_FEATURE_LS_SORTFILES
				sort_opts= SORT_CTIME;
#endif
				break;
			case 'u':
				time_fmt = TIME_ACCESS;
#ifdef BB_FEATURE_LS_SORTFILES
				sort_opts= SORT_ATIME;
#endif
				break;
			case 't':
#ifdef BB_FEATURE_LS_SORTFILES
				sort_opts= SORT_MTIME;
#endif
				break;
#endif
#ifdef BB_FEATURE_LS_FOLLOWLINKS
			case 'L': follow_links= TRUE; break;
#endif
#ifdef BB_FEATURE_AUTOWIDTH
			case 'T': tabstops= atoi(optarg); break;
			case 'w': terminal_width= atoi(optarg); break;
#endif
#ifdef BB_FEATURE_HUMAN_READABLE
			case 'h': ls_disp_hr = TRUE; break;
#endif
			case 'k': break;
			default:
				goto print_usage_message;
		}
	}

	/* sort out which command line options take precedence */
#ifdef BB_FEATURE_LS_RECURSIVE
	if (disp_opts & DISP_NOLIST)
		disp_opts &= ~DISP_RECURSIVE;   /* no recurse if listing only dir */
#endif
#if defined (BB_FEATURE_LS_TIMESTAMPS) && defined (BB_FEATURE_LS_SORTFILES)
	if (time_fmt & TIME_CHANGE) sort_opts= SORT_CTIME;
	if (time_fmt & TIME_ACCESS) sort_opts= SORT_ATIME;
#endif
	if (style_fmt != STYLE_LONG)
			list_fmt &= ~LIST_ID_NUMERIC;  /* numeric uid only for long list */
#ifdef BB_FEATURE_LS_USERNAME
	if (style_fmt == STYLE_LONG && (list_fmt & LIST_ID_NUMERIC))
			list_fmt &= ~LIST_ID_NAME;  /* don't list names if numeric uid */
#endif

	/* choose a display format */
	if (style_fmt == STYLE_AUTO)
		style_fmt = isatty(fileno(stdout)) ? STYLE_COLUMNS : STYLE_SINGLE;

	/*
	 * when there are no cmd line args we have to supply a default "." arg.
	 * we will create a second argv array, "av" that will hold either
	 * our created "." arg, or the real cmd line args.  The av array
	 * just holds the pointers- we don't move the date the pointers
	 * point to.
	 */
	ac= argc - optind;   /* how many cmd line args are left */
	if (ac < 1) {
		av= (char **)xcalloc((size_t)1, (size_t)(sizeof(char *)));
		av[0]= ".";
		ac=1;
	} else {
		av= (char **)xcalloc((size_t)ac, (size_t)(sizeof(char *)));
		for (oi=0 ; oi < ac; oi++) {
			av[oi]= argv[optind++];  /* copy pointer to real cmd line arg */
		}
	}

	/* now, everything is in the av array */
	if (ac > 1)
		disp_opts |= DISP_DIRNAME;   /* 2 or more items? label directories */

	/* stuff the command line file names into an dnode array */
	dn=NULL;
	for (oi=0 ; oi < ac; oi++) {
		cur= (struct dnode *)xmalloc(sizeof(struct dnode));
		cur->fullname= xstrdup(av[oi]);
		cur->name= cur->fullname;
		if (my_stat(cur))
			continue;
		cur->next= dn;
		dn= cur;
		nfiles++;
	}

	/* now that we know how many files there are
	** allocate memory for an array to hold dnode pointers
	*/
	dnp= dnalloc(nfiles);
	for (i=0, cur=dn; i<nfiles; i++) {
		dnp[i]= cur;   /* save pointer to node in array */
		cur= cur->next;
	}


	if (disp_opts & DISP_NOLIST) {
#ifdef BB_FEATURE_LS_SORTFILES
		shellsort(dnp, nfiles);
#endif
		if (nfiles > 0) showfiles(dnp, nfiles);
	} else {
		dnd= splitdnarray(dnp, nfiles, SPLIT_DIR);
		dnf= splitdnarray(dnp, nfiles, SPLIT_FILE);
		dndirs= countdirs(dnp, nfiles);
		dnfiles= nfiles - dndirs;
		if (dnfiles > 0) {
#ifdef BB_FEATURE_LS_SORTFILES
			shellsort(dnf, dnfiles);
#endif
			showfiles(dnf, dnfiles);
		}
		if (dndirs > 0) {
#ifdef BB_FEATURE_LS_SORTFILES
			shellsort(dnd, dndirs);
#endif
			showdirs(dnd, dndirs);
		}
		if (dnd)
			free(dnd);
		if (dnf)
			free(dnf);
	}
	free(av);
	if (dnp)
		dfree(dnp, nfiles);


	return(status);

  print_usage_message:
	show_usage();
}
Beispiel #3
0
extern int ls_main(int argc, char **argv)
{
	struct dnode **dnd;
	struct dnode **dnf;
	struct dnode **dnp;
	struct dnode *dn;
	struct dnode *cur;
	long opt;
	int nfiles = 0;
	int dnfiles;
	int dndirs;
	int oi;
	int ac;
	int i;
	char **av;
#ifdef CONFIG_FEATURE_AUTOWIDTH
	char *tabstops_str = NULL;
	char *terminal_width_str = NULL;
#endif

#ifdef CONFIG_SELINUX
	is_flask_enabled_flag = is_flask_enabled();
#endif

	all_fmt = LIST_SHORT | DISP_NORMAL | STYLE_AUTO
#ifdef CONFIG_FEATURE_LS_TIMESTAMPS
		| TIME_MOD
#endif
#ifdef CONFIG_FEATURE_LS_SORTFILES
		| SORT_NAME | SORT_ORDER_FORWARD
#endif
		;

#ifdef CONFIG_FEATURE_AUTOWIDTH
	/* Obtain the terminal width.  */
	get_terminal_width_height(0, &terminal_width, NULL);
	/* Go one less... */
	terminal_width--;
#endif

#ifdef CONFIG_FEATURE_LS_COLOR
	if (isatty(fileno(stdout)))
		show_color = 1;
#endif

	/* process options */
#ifdef CONFIG_FEATURE_AUTOWIDTH
	opt = bb_getopt_ulflags(argc, argv, ls_options, &tabstops_str, &terminal_width_str);
	if (tabstops_str) {
		tabstops = atoi(tabstops_str);
	}
	if (terminal_width_str) {
		terminal_width = atoi(terminal_width_str);
	}
#else
	opt = bb_getopt_ulflags(argc, argv, ls_options);
#endif
	/* 16 = maximum options minus tabsize and screewn width */
	for (i = 0; i < 16; i++) {
		if (opt & (1 << i)) {
			unsigned int flags = opt_flags[i];
			if (flags & LIST_MASK_TRIGGER) {
				all_fmt &= ~LIST_MASK;
			}
			if (flags & STYLE_MASK_TRIGGER) {
				all_fmt &= ~STYLE_MASK;
			}
#ifdef CONFIG_FEATURE_LS_SORTFILES
			if (flags & SORT_MASK_TRIGGER) {
				all_fmt &= ~SORT_MASK;
			}
#endif
			if (flags & DISP_MASK_TRIGGER) {
				all_fmt &= ~DISP_MASK;
			}
#ifdef CONFIG_FEATURE_LS_TIMESTAMPS
			if (flags & TIME_MASK_TRIGGER) {
				all_fmt &= ~TIME_MASK;
			}
#endif
			if (flags & LIST_CONTEXT) {
				all_fmt |= STYLE_SINGLE;
			}
#ifdef CONFIG_FEATURE_HUMAN_READABLE
			if (opt == 'l') {
				all_fmt &= ~LS_DISP_HR;
			}
#endif
			all_fmt |= flags;
		}
	}

	/* sort out which command line options take precedence */
#ifdef CONFIG_FEATURE_LS_RECURSIVE
	if (all_fmt & DISP_NOLIST)
		all_fmt &= ~DISP_RECURSIVE;	/* no recurse if listing only dir */
#endif
#if defined (CONFIG_FEATURE_LS_TIMESTAMPS) && defined (CONFIG_FEATURE_LS_SORTFILES)
	if (all_fmt & TIME_CHANGE)
		all_fmt = (all_fmt & ~SORT_MASK) | SORT_CTIME;
	if (all_fmt & TIME_ACCESS)
		all_fmt = (all_fmt & ~SORT_MASK) | SORT_ATIME;
#endif
	if ((all_fmt & STYLE_MASK) != STYLE_LONG) /* only for long list */
		all_fmt &= ~(LIST_ID_NUMERIC|LIST_FULLTIME|LIST_ID_NAME|LIST_ID_NUMERIC);
#ifdef CONFIG_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 */
#endif
			
	/* choose a display format */
	if ((all_fmt & STYLE_MASK) == STYLE_AUTO)
#if STYLE_AUTO != 0
		all_fmt = (all_fmt & ~STYLE_MASK)
				| (isatty(fileno(stdout)) ? STYLE_COLUMNS : STYLE_SINGLE);
#else
		all_fmt |= (isatty(fileno(stdout)) ? STYLE_COLUMNS : STYLE_SINGLE);
#endif

	/*
	 * when there are no cmd line args we have to supply a default "." arg.
	 * we will create a second argv array, "av" that will hold either
	 * our created "." arg, or the real cmd line args.  The av array
	 * just holds the pointers- we don't move the date the pointers
	 * point to.
	 */
	ac = argc - optind;	/* how many cmd line args are left */
	if (ac < 1) {
		av = (char **) xcalloc((size_t) 1, (size_t) (sizeof(char *)));
		av[0] = bb_xstrdup(".");
		ac = 1;
	} else {
		av = (char **) xcalloc((size_t) ac, (size_t) (sizeof(char *)));
		for (oi = 0; oi < ac; oi++) {
			av[oi] = argv[optind++];	/* copy pointer to real cmd line arg */
		}
	}

	/* now, everything is in the av array */
	if (ac > 1)
		all_fmt |= DISP_DIRNAME;	/* 2 or more items? label directories */

	/* stuff the command line file names into an dnode array */
	dn = NULL;
	for (oi = 0; oi < ac; oi++) {
		char *fullname = bb_xstrdup(av[oi]);

		cur = my_stat(fullname, fullname);
		if (!cur)
			continue;
		cur->next = dn;
		dn = cur;
		nfiles++;
	}

	/* now that we know how many files there are
	   ** allocate memory for an array to hold dnode pointers
	 */
	dnp = dnalloc(nfiles);
	for (i = 0, cur = dn; i < nfiles; i++) {
		dnp[i] = cur;	/* save pointer to node in array */
		cur = cur->next;
	}


	if (all_fmt & DISP_NOLIST) {
#ifdef CONFIG_FEATURE_LS_SORTFILES
		shellsort(dnp, nfiles);
#endif
		if (nfiles > 0)
			showfiles(dnp, nfiles);
	} else {
		dnd = splitdnarray(dnp, nfiles, SPLIT_DIR);
		dnf = splitdnarray(dnp, nfiles, SPLIT_FILE);
		dndirs = countdirs(dnp, nfiles);
		dnfiles = nfiles - dndirs;
		if (dnfiles > 0) {
#ifdef CONFIG_FEATURE_LS_SORTFILES
			shellsort(dnf, dnfiles);
#endif
			showfiles(dnf, dnfiles);
		}
		if (dndirs > 0) {
#ifdef CONFIG_FEATURE_LS_SORTFILES
			shellsort(dnd, dndirs);
#endif
			showdirs(dnd, dndirs);
		}
	}
	return (status);
}