e2fsprogs/e2fs_lib.c

   1 /* vi: set sw=4 ts=4: */
   2 /*
   3  * See README for additional information
   4  *
   5  * Licensed under GPLv2, see file LICENSE in this source tree.
   6  */
   7
   8 #include "libbb.h"
   9 #include "e2fs_lib.h"
  10
  11 /* Print file attributes on an ext2 file system */
  12 const uint32_t e2attr_flags_value[] ALIGN4 = {
  13 #ifdef ENABLE_COMPRESSION
  14         EXT2_COMPRBLK_FL,
  15         EXT2_DIRTY_FL,
  16         EXT2_NOCOMPR_FL,
  17 #endif
  18         EXT2_SECRM_FL,
  19         EXT2_UNRM_FL,
  20         EXT2_SYNC_FL,
  21         EXT2_DIRSYNC_FL,
  22         EXT2_IMMUTABLE_FL,
  23         EXT2_APPEND_FL,
  24         EXT2_NODUMP_FL,
  25         EXT2_NOATIME_FL,
  26         EXT2_COMPR_FL,
  27         EXT2_ECOMPR_FL,
  28         EXT3_JOURNAL_DATA_FL,
  29         EXT2_INDEX_FL,
  30         EXT2_NOTAIL_FL,
  31         EXT2_TOPDIR_FL,
  32         EXT2_EXTENT_FL,
  33         EXT2_NOCOW_FL,
  34         EXT2_CASEFOLD_FL,
  35         EXT2_INLINE_DATA_FL,
  36         EXT2_PROJINHERIT_FL,
  37         EXT2_VERITY_FL,
  38 };
  39
  40 const char e2attr_flags_sname[] ALIGN1 =
  41 #ifdef ENABLE_COMPRESSION
  42         "BZX"
  43 #endif
  44         "suSDiadAcEjItTeCFNPV";
  45
  46 static const char e2attr_flags_lname[] ALIGN1 =
  47 #ifdef ENABLE_COMPRESSION
  48         "Compressed_File" "\0"
  49         "Compressed_Dirty_File" "\0"
  50         "Compression_Raw_Access" "\0"
  51 #endif
  52         "Secure_Deletion" "\0"
  53         "Undelete" "\0"
  54         "Synchronous_Updates" "\0"
  55         "Synchronous_Directory_Updates" "\0"
  56         "Immutable" "\0"
  57         "Append_Only" "\0"
  58         "No_Dump" "\0"
  59         "No_Atime" "\0"
  60         "Compression_Requested" "\0"
  61         "Encrypted" "\0"
  62         "Journaled_Data" "\0"
  63         "Indexed_directory" "\0"
  64         "No_Tailmerging" "\0"
  65         "Top_of_Directory_Hierarchies" "\0"
  66         "Extents" "\0"
  67         "No_COW" "\0"
  68         "Casefold" "\0"
  69         "Inline_Data" "\0"
  70         "Project_Hierarchy" "\0"
  71         "Verity" "\0"
  72         /* Another trailing NUL is added by compiler */;
  73
  74 void print_e2flags_long(unsigned flags)
  75 {
  76         const uint32_t *fv;
  77         const char *fn;
  78         int first = 1;
  79
  80         fv = e2attr_flags_value;
  81         fn = e2attr_flags_lname;
  82         do {
  83                 if (flags & *fv) {
  84                         if (!first)
  85                                 fputs(", ", stdout);
  86                         fputs(fn, stdout);
  87                         first = 0;
  88                 }
  89                 fv++;
  90                 fn += strlen(fn) + 1;
  91         } while (*fn);
  92         if (first)
  93                 fputs("---", stdout);
  94 }
  95
  96 void print_e2flags(unsigned flags)
  97 {
  98         const uint32_t *fv;
  99         const char *fn;
 100
 101         fv = e2attr_flags_value;
 102         fn = e2attr_flags_sname;
 103         do  {
 104                 char c = '-';
 105                 if (flags & *fv)
 106                         c = *fn;
 107                 putchar(c);
 108                 fv++;
 109                 fn++;
 110         } while (*fn);
 111 }