1 /* Encode long filenames for GNU tar.
2 Copyright 1988, 1992, 1994, 1996, 1997, 1999 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify it
5 under the terms of the GNU General Public License as published by the
6 Free Software Foundation; either version 2, or (at your option) any later
9 This program is distributed in the hope that it will be useful, but
10 WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
12 Public License for more details.
14 You should have received a copy of the GNU General Public License along
15 with this program; if not, write to the Free Software Foundation, Inc.,
16 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
25 char mangled[NAME_FIELD_SIZE];
30 /*---------------------------------------------------------------------.
31 | Extract a GNUTYPE_NAMES record contents. It seems that such are not |
32 | produced anymore by GNU tar, but we leave the reading code around |
33 | nevertheless, for salvaging old tapes. |
34 `---------------------------------------------------------------------*/
39 off_t size = current_stat.st_size;
40 char *buffer = xmalloc ((size_t) (size + 1));
42 char *cursor = buffer;
44 if (size != (size_t) size || size == (size_t) -1)
45 FATAL_ERROR ((0, 0, _("Memory exhausted")));
51 union block *block = find_next_block ();
56 ERROR ((0, 0, _("Unexpected EOF in mangled names")));
59 available = available_space_after (block);
62 memcpy (copy, block->buffer, available);
65 set_next_block_after ((union block *) (block->buffer + available - 1));
74 next_cursor = strchr (cursor, '\n');
75 *next_cursor++ = '\0';
77 if (!strncmp (cursor, "Rename ", 7))
81 name_end = strchr (name, ' ');
82 while (strncmp (name_end, " to ", 4))
85 name_end = strchr (name_end, ' ');
88 if (next_cursor[-2] == '/')
89 next_cursor[-2] = '\0';
90 unquote_string (name_end + 4);
91 if (rename (name, name_end + 4))
92 ERROR ((0, errno, _("Cannot rename %s to %s"), name, name_end + 4));
93 else if (verbose_option)
94 WARN ((0, 0, _("Renamed %s to %s"), name, name_end + 4));
97 else if (!strncmp (cursor, "Symlink ", 8))
100 name_end = strchr (name, ' ');
101 while (strncmp (name_end, " to ", 4))
104 name_end = strchr (name_end, ' ');
107 unquote_string (name);
108 unquote_string (name_end + 4);
109 if (symlink (name, name_end + 4)
110 && (unlink (name_end + 4) || symlink (name, name_end + 4)))
111 ERROR ((0, errno, _("Cannot symlink %s to %s"),
112 name, name_end + 4));
113 else if (verbose_option)
114 WARN ((0, 0, _("Symlinked %s to %s"), name, name_end + 4));
118 ERROR ((0, 0, _("Unknown demangling command %s"), cursor));
120 cursor = next_cursor;