1 /* vi: set sw=4 ts=4: */
3 * lsattr.c - List file attributes on an ext2 file system
5 * Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
6 * Laboratoire MASI, Institut Blaise Pascal
7 * Universite Pierre et Marie Curie (Paris VI)
9 * This file can be redistributed under the terms of the GNU General
12 //config:config LSATTR
13 //config: bool "lsattr (5 kb)"
15 //config: select PLATFORM_LINUX
17 //config: lsattr lists the file attributes on a second extended file system.
19 //applet:IF_LSATTR(APPLET_NOEXEC(lsattr, lsattr, BB_DIR_BIN, BB_SUID_DROP, lsattr))
20 /* ls is NOEXEC, so we should be too! ;) */
22 //kbuild:lib-$(CONFIG_LSATTR) += lsattr.o e2fs_lib.o
24 //usage:#define lsattr_trivial_usage
25 //usage: "[-Radlv] [FILE]..."
26 //usage:#define lsattr_full_usage "\n\n"
27 //usage: "List ext2 file attributes\n"
28 //usage: "\n -R Recurse"
29 //usage: "\n -a Don't hide entries starting with ."
30 //usage: "\n -d List directory entries instead of contents"
31 //usage: "\n -l List long flag names"
32 //usage: "\n -v List version/generation number"
42 OPT_GENERATION = 0x10,
45 static void list_attributes(const char *name)
47 unsigned long fsflags;
48 unsigned long generation;
50 if (fgetflags(name, &fsflags) != 0)
53 if (option_mask32 & OPT_GENERATION) {
54 if (fgetversion(name, &generation) != 0)
56 printf("%5lu ", generation);
59 if (option_mask32 & OPT_PF_LONG) {
60 printf("%-28s ", name);
61 print_e2flags(stdout, fsflags, PFOPT_LONG);
64 print_e2flags(stdout, fsflags, 0);
65 printf(" %s\n", name);
70 bb_perror_msg("reading %s", name);
73 static int FAST_FUNC lsattr_dir_proc(const char *dir_name,
75 void *private UNUSED_PARAM)
80 path = concat_path_file(dir_name, de->d_name);
82 if (lstat(path, &st) != 0)
83 bb_perror_msg("stat %s", path);
84 else if (de->d_name[0] != '.' || (option_mask32 & OPT_ALL)) {
85 list_attributes(path);
86 if (S_ISDIR(st.st_mode) && (option_mask32 & OPT_RECUR)
87 && !DOT_OR_DOTDOT(de->d_name)
89 printf("\n%s:\n", path);
90 iterate_on_dir(path, lsattr_dir_proc, NULL);
99 static void lsattr_args(const char *name)
103 if (lstat(name, &st) == -1) {
104 bb_perror_msg("stat %s", name);
105 } else if (S_ISDIR(st.st_mode) && !(option_mask32 & OPT_DIRS_OPT)) {
106 iterate_on_dir(name, lsattr_dir_proc, NULL);
108 list_attributes(name);
112 int lsattr_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
113 int lsattr_main(int argc UNUSED_PARAM, char **argv)
115 getopt32(argv, "Radlv");
119 *--argv = (char*)".";
120 do lsattr_args(*argv++); while (*argv);