]> Dogcows Code - chaz/tar/blobdiff - src/list.c
* NEWS: Remove support for mangled names.
[chaz/tar] / src / list.c
index 0c3e223a03e8b19c3485f8f41734cf88bf2f6509..4bf302e6d629fbc57726ea9ac071483c009ad3a5 100644 (file)
@@ -1,7 +1,7 @@
 /* List a tar archive, with support routines for reading a tar archive.
 
    Copyright (C) 1988, 1992, 1993, 1994, 1996, 1997, 1998, 1999, 2000,
-   2001, 2003, 2004, 2005 Free Software Foundation, Inc.
+   2001, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
 
    Written by John Gilmore, on 1985-08-26.
 
@@ -107,7 +107,6 @@ read_and (void (*do_something) (void))
                {
                case GNUTYPE_VOLHDR:
                case GNUTYPE_MULTIVOL:
-               case GNUTYPE_NAMES:
                  break;
 
                case DIRTYPE:
@@ -211,22 +210,18 @@ list_archive (void)
   decode_header (current_header, &current_stat_info, &current_format, 0);
   if (verbose_option)
     print_header (&current_stat_info, block_ordinal);
-  
+
   if (incremental_option)
     {
       if (verbose_option > 2)
        {
-         if (current_stat_info.dumpdir)
+         if (is_dumpdir (&current_stat_info))
            list_dumpdir (current_stat_info.dumpdir,
                          dumpdir_size (current_stat_info.dumpdir));
        }
     }
 
-  mv_begin (&current_stat_info);
-
   skip_member ();
-
-  mv_end ();
 }
 
 /* Check header checksum */
@@ -285,8 +280,8 @@ tar_checksum (union block *header, bool silent)
 }
 
 /* Read a block that's supposed to be a header block.  Return its
-   address in "current_header", and if it is good, the file's size in
-   current_stat_info.stat.st_size.
+   address in "current_header", and if it is good, the file's size
+   and names (file name, link name) in *info.
 
    Return 1 for success, 0 if the checksum is bad, EOF on eof, 2 for a
    block full of zeros (EOF marker).
@@ -298,7 +293,7 @@ tar_checksum (union block *header, bool silent)
    the header which this routine reads.  */
 
 enum read_header
-read_header (bool raw_extended_headers)
+read_header_primitive (bool raw_extended_headers, struct tar_stat_info *info)
 {
   union block *header;
   union block *header_copy;
@@ -325,9 +320,9 @@ read_header (bool raw_extended_headers)
       /* Good block.  Decode file size and return.  */
 
       if (header->header.typeflag == LNKTYPE)
-       current_stat_info.stat.st_size = 0;     /* links 0 size on tape */
+       info->stat.st_size = 0; /* links 0 size on tape */
       else
-       current_stat_info.stat.st_size = OFF_FROM_HEADER (header->header.size);
+       info->stat.st_size = OFF_FROM_HEADER (header->header.size);
 
       if (header->header.typeflag == GNUTYPE_LONGNAME
          || header->header.typeflag == GNUTYPE_LONGLINK
@@ -340,14 +335,13 @@ read_header (bool raw_extended_headers)
          else if (header->header.typeflag == GNUTYPE_LONGNAME
                   || header->header.typeflag == GNUTYPE_LONGLINK)
            {
-             size_t name_size = current_stat_info.stat.st_size;
+             size_t name_size = info->stat.st_size;
              size_t n = name_size % BLOCKSIZE;
              size = name_size + BLOCKSIZE;
              if (n)
                size += BLOCKSIZE - n;
 
-             if (name_size != current_stat_info.stat.st_size
-                 || size < name_size)
+             if (name_size != info->stat.st_size || size < name_size)
                xalloc_die ();
 
              header_copy = xmalloc (size + 1);
@@ -438,9 +432,9 @@ read_header (bool raw_extended_headers)
              recent_long_name = 0;
              recent_long_name_blocks = 0;
            }
-         assign_string (&current_stat_info.orig_file_name, name);
-         assign_string (&current_stat_info.file_name, name);
-         current_stat_info.had_trailing_slash = strip_trailing_slashes (current_stat_info.file_name);
+         assign_string (&info->orig_file_name, name);
+         assign_string (&info->file_name, name);
+         info->had_trailing_slash = strip_trailing_slashes (info->file_name);
 
          if (recent_long_link)
            free (recent_long_link);
@@ -459,13 +453,34 @@ read_header (bool raw_extended_headers)
              recent_long_link = 0;
              recent_long_link_blocks = 0;
            }
-         assign_string (&current_stat_info.link_name, name);
+         assign_string (&info->link_name, name);
 
          return HEADER_SUCCESS;
        }
     }
 }
 
+enum read_header
+read_header (bool raw_extended_headers)
+{
+  return read_header_primitive (raw_extended_headers, &current_stat_info);
+}
+
+static char *
+decode_xform (char *file_name)
+{
+  file_name = safer_name_suffix (file_name, false, absolute_names_option);
+  if (strip_name_components)
+    {
+      size_t prefix_len = stripped_prefix_len (file_name,
+                                              strip_name_components);
+      if (prefix_len == (size_t) -1)
+       prefix_len = strlen (file_name);
+      file_name += prefix_len;
+    }
+  return file_name;
+}
+
 #define ISOCTAL(c) ((c)>='0'&&(c)<='7')
 
 /* Decode things from a file HEADER block into STAT_INFO, also setting
@@ -577,11 +592,14 @@ decode_header (union block *header, struct tar_stat_info *stat_info,
   else
     {
       stat_info->is_sparse = false;
-      if ((current_format == GNU_FORMAT
-          || current_format == OLDGNU_FORMAT)
-         && current_header->header.typeflag == GNUTYPE_DUMPDIR)
-       get_gnu_dumpdir ();
+      if (((current_format == GNU_FORMAT
+           || current_format == OLDGNU_FORMAT)
+          && current_header->header.typeflag == GNUTYPE_DUMPDIR)
+          || stat_info->dumpdir)
+       stat_info->is_dumpdir = true;
     }
+
+  transform_name_fp (&stat_info->file_name, decode_xform);
 }
 
 /* Convert buffer at WHERE0 of size DIGS from external format to
@@ -978,7 +996,7 @@ print_header (struct tar_stat_info *st, off_t block_ordinal)
   char modes[11];
   char const *time_stamp;
   int time_stamp_len;
-  char *temp_name = st->orig_file_name ? st->orig_file_name : st->file_name;
+  char *temp_name;
 
   /* These hold formatted ints.  */
   char uform[UINTMAX_STRSIZE_BOUND], gform[UINTMAX_STRSIZE_BOUND];
@@ -992,24 +1010,11 @@ print_header (struct tar_stat_info *st, off_t block_ordinal)
   if (test_label_option && current_header->header.typeflag != GNUTYPE_VOLHDR)
     return;
 
-  if (show_stored_names_option)
-    {
-      switch (subcommand_option)
-       {
-       case CAT_SUBCOMMAND:
-       case UPDATE_SUBCOMMAND:
-       case APPEND_SUBCOMMAND:
-       case CREATE_SUBCOMMAND:
-         temp_name = st->file_name ? st->file_name : st->orig_file_name;
-         break;
-
-       default:
-         temp_name = st->orig_file_name ? st->orig_file_name : st->file_name;
-       }
-    }
+  if (show_transformed_names_option)
+    temp_name = st->file_name ? st->file_name : st->orig_file_name;
   else
     temp_name = st->orig_file_name ? st->orig_file_name : st->file_name;
-  
+
   if (block_number_option)
     {
       char buf[UINTMAX_STRSIZE_BOUND];
@@ -1041,10 +1046,6 @@ print_header (struct tar_stat_info *st, off_t block_ordinal)
          modes[0] = 'M';
          break;
 
-       case GNUTYPE_NAMES:
-         modes[0] = 'N';
-         break;
-
        case GNUTYPE_LONGNAME:
        case GNUTYPE_LONGLINK:
          modes[0] = 'L';
@@ -1228,10 +1229,6 @@ print_header (struct tar_stat_info *st, off_t block_ordinal)
                   uintbuf));
          fprintf (stdlis, _("--Continued at byte %s--\n"), size);
          break;
-
-       case GNUTYPE_NAMES:
-         fprintf (stdlis, _("--Mangled file names--\n"));
-         break;
        }
     }
   fflush (stdlis);
@@ -1280,7 +1277,7 @@ skip_file (off_t size)
     }
 
   mv_size_left (size);
-  
+
   while (size > 0)
     {
       x = find_next_block ();
@@ -1298,15 +1295,18 @@ skip_file (off_t size)
 void
 skip_member (void)
 {
-  char save_typeflag = current_header->header.typeflag;
-  set_next_block_after (current_header);
+  if (!current_stat_info.skipped)
+    {
+      char save_typeflag = current_header->header.typeflag;
+      set_next_block_after (current_header);
 
-  mv_begin (&current_stat_info);
+      mv_begin (&current_stat_info);
 
-  if (current_stat_info.is_sparse)
-    sparse_skip_file (&current_stat_info);
-  else if (save_typeflag != DIRTYPE)
-    skip_file (current_stat_info.stat.st_size);
+      if (current_stat_info.is_sparse)
+       sparse_skip_file (&current_stat_info);
+      else if (save_typeflag != DIRTYPE)
+       skip_file (current_stat_info.stat.st_size);
 
-  mv_end ();
+      mv_end ();
+    }
 }
This page took 0.029612 seconds and 4 git commands to generate.