1 /* Encode long filenames for GNU tar.
2 Copyright 1988, 92, 94, 96, 97, 99, 2000 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. */
26 char mangled[NAME_FIELD_SIZE];
31 /* Extract a GNUTYPE_NAMES record contents. It seems that such are
32 not produced anymore by GNU tar, but we leave the reading code
33 around nevertheless, for salvaging old tapes. */
37 off_t size = current_stat_info.stat.st_size;
38 char *buffer = xmalloc ((size_t) (size + 1));
40 char *cursor = buffer;
42 if (size != (size_t) size || size == (size_t) -1)
49 union block *block = find_next_block ();
54 ERROR ((0, 0, _("Unexpected EOF in mangled names")));
57 available = available_space_after (block);
60 memcpy (copy, block->buffer, available);
63 set_next_block_after ((union block *) (block->buffer + available - 1));
72 next_cursor = strchr (cursor, '\n');
73 *next_cursor++ = '\0';
75 if (!strncmp (cursor, "Rename ", 7))
79 name_end = strchr (name, ' ');
80 while (strncmp (name_end, " to ", 4))
83 name_end = strchr (name_end, ' ');
86 if (next_cursor[-2] == '/')
87 next_cursor[-2] = '\0';
88 unquote_string (name_end + 4);
89 if (rename (name, name_end + 4))
90 ERROR ((0, errno, _("%s: Cannot rename to %s"),
91 quotearg_colon (name), quote_n (1, name_end + 4)));
92 else if (verbose_option)
93 WARN ((0, 0, _("Renamed %s to %s"), name, name_end + 4));
96 else if (!strncmp (cursor, "Symlink ", 8))
99 name_end = strchr (name, ' ');
100 while (strncmp (name_end, " to ", 4))
103 name_end = strchr (name_end, ' ');
106 unquote_string (name);
107 unquote_string (name_end + 4);
108 if (symlink (name, name_end + 4)
109 && (unlink (name_end + 4) || symlink (name, name_end + 4)))
110 ERROR ((0, errno, _("%s: Cannot symlink to %s"),
111 quotearg_colon (name), quote_n (1, name_end + 4)));
112 else if (verbose_option)
113 WARN ((0, 0, _("Symlinked %s to %s"), name, name_end + 4));
117 ERROR ((0, 0, _("Unknown demangling command %s"), cursor));
119 cursor = next_cursor;