diff options
Diffstat (limited to 'Utilities/cmlibarchive/libarchive/archive_write_disk_windows.c')
-rw-r--r-- | Utilities/cmlibarchive/libarchive/archive_write_disk_windows.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/Utilities/cmlibarchive/libarchive/archive_write_disk_windows.c b/Utilities/cmlibarchive/libarchive/archive_write_disk_windows.c index 800aa89..da76c54 100644 --- a/Utilities/cmlibarchive/libarchive/archive_write_disk_windows.c +++ b/Utilities/cmlibarchive/libarchive/archive_write_disk_windows.c @@ -468,9 +468,17 @@ permissive_name_w(struct archive_write_disk *a) return (-1); archive_wstring_ensure(&(a->_name_data), 4 + l + 1 + wcslen(wn) + 1); a->name = a->_name_data.s; - /* Prepend "\\?\" and drive name. */ - archive_wstrncpy(&(a->_name_data), L"\\\\?\\", 4); - archive_wstrncat(&(a->_name_data), wsp, l); + /* Prepend "\\?\" and drive name if not already added. */ + if (l > 3 && wsp[0] == L'\\' && wsp[1] == L'\\' && + wsp[2] == L'?' && wsp[3] == L'\\') + { + archive_wstrncpy(&(a->_name_data), wsp, l); + } + else + { + archive_wstrncpy(&(a->_name_data), L"\\\\?\\", 4); + archive_wstrncat(&(a->_name_data), wsp, l); + } archive_wstrncat(&(a->_name_data), L"\\", 1); archive_wstrcat(&(a->_name_data), wn); a->name = a->_name_data.s; |