2 * lsattr.c - List file attributes on an ext2 file system
4 * Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
5 * Laboratoire MASI, Institut Blaise Pascal
6 * Universite Pierre et Marie Curie (Paris VI)
8 * This file can be redistributed under the terms of the GNU General
15 * 93/11/13 - Replace stat() calls by lstat() to avoid loops
16 * 94/02/27 - Integrated in Ted's distribution
17 * 98/12/29 - Display version info only when -V specified (G M Sipe)
20 #include <sys/types.h>
29 #include <sys/param.h>
32 #include <ext2fs/ext2_fs.h>
37 #define EXT2FS_ATTR(x) __attribute__(x)
39 #define EXT2FS_ATTR(x)
44 #define OPT_DIRS_OPT 4
46 #define OPT_GENERATION 16
50 # define LSTAT lstat64
51 # define STRUCT_STAT struct stat64
54 # define STRUCT_STAT struct stat
57 static void list_attributes(const char *name)
59 unsigned long fsflags;
60 unsigned long generation;
62 if (fgetflags(name, &fsflags) == -1) {
63 bb_perror_msg("While reading flags on %s", name);
66 if (flags & OPT_GENERATION) {
67 if (fgetversion(name, &generation) == -1) {
68 bb_perror_msg("While reading version on %s", name);
71 printf("%5lu ", generation);
73 if (flags & OPT_PF_LONG) {
74 printf("%-28s ", name);
75 print_flags(stdout, fsflags, PFOPT_LONG);
78 print_flags(stdout, fsflags, 0);
79 printf(" %s\n", name);
83 static int lsattr_dir_proc(const char *, struct dirent *, void *);
85 static void lsattr_args(const char *name)
89 if (LSTAT(name, &st) == -1)
90 bb_perror_msg("while trying to stat %s", name);
92 if (S_ISDIR(st.st_mode) && !(flags & OPT_DIRS_OPT))
93 iterate_on_dir(name, lsattr_dir_proc, NULL);
95 list_attributes(name);
99 static int lsattr_dir_proc(const char *dir_name, struct dirent *de,
100 void *private EXT2FS_ATTR((unused)))
104 int i = strlen(dir_name);
106 if (i && dir_name[i-1] == '/')
107 i = asprintf(&path, "%s%s", dir_name, de->d_name);
109 i = asprintf(&path, "%s/%s", dir_name, de->d_name);
111 bb_perror_msg_and_die("asprintf failed");
113 if (LSTAT(path, &st) == -1)
116 if (de->d_name[0] != '.' || (flags & OPT_ALL)) {
117 list_attributes(path);
118 if (S_ISDIR(st.st_mode) && (flags & OPT_RECUR) &&
119 strcmp(de->d_name, ".") && strcmp(de->d_name, "..")) {
120 printf("\n%s:\n", path);
121 iterate_on_dir(path, lsattr_dir_proc, NULL);
132 int lsattr_main(int argc, char **argv)
136 flags = bb_getopt_ulflags(argc, argv, "Radlv");
138 if (optind > argc - 1)
141 for (i = optind; i < argc; i++)
142 lsattr_args(argv[i]);