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    Contents of /trunk/mkinitrd-magellan/busybox/e2fsprogs/lsattr.c

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    Revision 532 - (show annotations) (download)
    Sat Sep 1 22:45:15 2007 UTC (16 years, 9 months ago) by niro
    File MIME type: text/plain
    File size: 2416 byte(s) 
    -import if magellan mkinitrd; it is a fork of redhats mkinitrd-5.0.8 with all magellan patches and features; deprecates magellan-src/mkinitrd
    1 /* vi: set sw=4 ts=4: */
    2 /*
    3 * lsattr.c - List file attributes on an ext2 file system
    4 *
    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)
    8 *
    9 * This file can be redistributed under the terms of the GNU General
    10 * Public License
    11 */
    12
    13 /*
    14 * History:
    15 * 93/10/30 - Creation
    16 * 93/11/13 - Replace stat() calls by lstat() to avoid loops
    17 * 94/02/27 - Integrated in Ted's distribution
    18 * 98/12/29 - Display version info only when -V specified (G M Sipe)
    19 */
    20
    21 #include "busybox.h"
    22 #include "e2fs_lib.h"
    23
    24 enum {
    25 OPT_RECUR = 0x1,
    26 OPT_ALL = 0x2,
    27 OPT_DIRS_OPT = 0x4,
    28 OPT_PF_LONG = 0x8,
    29 OPT_GENERATION = 0x10,
    30 };
    31
    32 static void list_attributes(const char *name)
    33 {
    34 unsigned long fsflags;
    35 unsigned long generation;
    36
    37 if (fgetflags(name, &fsflags) == -1)
    38 goto read_err;
    39
    40 if (option_mask32 & OPT_GENERATION) {
    41 if (fgetversion(name, &generation) == -1)
    42 goto read_err;
    43 printf("%5lu ", generation);
    44 }
    45
    46 if (option_mask32 & OPT_PF_LONG) {
    47 printf("%-28s ", name);
    48 print_flags(stdout, fsflags, PFOPT_LONG);
    49 puts("");
    50 } else {
    51 print_flags(stdout, fsflags, 0);
    52 printf(" %s\n", name);
    53 }
    54
    55 return;
    56 read_err:
    57 bb_perror_msg("reading %s", name);
    58 }
    59
    60 static int lsattr_dir_proc(const char *dir_name, struct dirent *de,
    61 void *private)
    62 {
    63 struct stat st;
    64 char *path;
    65
    66 path = concat_path_file(dir_name, de->d_name);
    67
    68 if (lstat(path, &st) == -1)
    69 bb_perror_msg("stat %s", path);
    70
    71 else if (de->d_name[0] != '.' || (option_mask32 & OPT_ALL)) {
    72 list_attributes(path);
    73 if (S_ISDIR(st.st_mode) && (option_mask32 & OPT_RECUR)
    74 && (de->d_name[0] != '.'
    75 || (de->d_name[1] != '\0' && NOT_LONE_CHAR(de->d_name+1, '.')))
    76 ) {
    77 printf("\n%s:\n", path);
    78 iterate_on_dir(path, lsattr_dir_proc, NULL);
    79 puts("");
    80 }
    81 }
    82
    83 free(path);
    84
    85 return 0;
    86 }
    87
    88 static void lsattr_args(const char *name)
    89 {
    90 struct stat st;
    91
    92 if (lstat(name, &st) == -1) {
    93 bb_perror_msg("stat %s", name);
    94 } else if (S_ISDIR(st.st_mode) && !(option_mask32 & OPT_DIRS_OPT)) {
    95 iterate_on_dir(name, lsattr_dir_proc, NULL);
    96 } else {
    97 list_attributes(name);
    98 }
    99 }
    100
    101 int lsattr_main(int argc, char **argv)
    102 {
    103 getopt32(argc, argv, "Radlv");
    104 argv += optind;
    105
    106 if (!*argv)
    107 lsattr_args(".");
    108 else {
    109 while (*argv)
    110 lsattr_args(*argv++);
    111 }
    112
    113 return EXIT_SUCCESS;
    114 }