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Don't use values returned by lstat() if it failed in wxFileCtrl code.

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The buffer may be uninitialized or at least not contain the correct data if
lstat() failed, don't use it in this case.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@73144 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2012-12-08 00:37:28 +00:00
parent bd9fd76ec7
commit 4d35172f52
1 changed files with 24 additions and 17 deletions
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41
src/generic/filectrlg.cpp
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@@ -223,32 +223,39 @@ void wxFileData::ReadData()
wxStructStat buff;
#if defined(__UNIX__) && (!defined( __OS2__ ) && !defined(__VMS))
lstat( m_filePath.fn_str(), &buff );
m_type |= S_ISLNK(buff.st_mode) ? is_link : 0;
const bool hasStat = lstat( m_filePath.fn_str(), &buff ) == 0;
if ( hasStat )
m_type |= S_ISLNK(buff.st_mode) ? is_link : 0;
#else // no lstat()
wxStat( m_filePath, &buff );
const bool hasStat = wxStat( m_filePath, &buff ) == 0;
#endif
m_type |= (buff.st_mode & S_IFDIR) != 0 ? is_dir : 0;
m_type |= (buff.st_mode & wxS_IXUSR) != 0 ? is_exe : 0;
if ( hasStat )
{
m_type |= (buff.st_mode & S_IFDIR) != 0 ? is_dir : 0;
m_type |= (buff.st_mode & wxS_IXUSR) != 0 ? is_exe : 0;
m_size = buff.st_size;
m_size = buff.st_size;
m_dateTime = buff.st_mtime;
m_dateTime = buff.st_mtime;
}
#endif
// __WXWINCE__
#if defined(__UNIX__)
m_permissions.Printf(wxT("%c%c%c%c%c%c%c%c%c"),
buff.st_mode & wxS_IRUSR ? wxT('r') : wxT('-'),
buff.st_mode & wxS_IWUSR ? wxT('w') : wxT('-'),
buff.st_mode & wxS_IXUSR ? wxT('x') : wxT('-'),
buff.st_mode & wxS_IRGRP ? wxT('r') : wxT('-'),
buff.st_mode & wxS_IWGRP ? wxT('w') : wxT('-'),
buff.st_mode & wxS_IXGRP ? wxT('x') : wxT('-'),
buff.st_mode & wxS_IROTH ? wxT('r') : wxT('-'),
buff.st_mode & wxS_IWOTH ? wxT('w') : wxT('-'),
buff.st_mode & wxS_IXOTH ? wxT('x') : wxT('-'));
if ( hasStat )
{
m_permissions.Printf(wxT("%c%c%c%c%c%c%c%c%c"),
buff.st_mode & wxS_IRUSR ? wxT('r') : wxT('-'),
buff.st_mode & wxS_IWUSR ? wxT('w') : wxT('-'),
buff.st_mode & wxS_IXUSR ? wxT('x') : wxT('-'),
buff.st_mode & wxS_IRGRP ? wxT('r') : wxT('-'),
buff.st_mode & wxS_IWGRP ? wxT('w') : wxT('-'),
buff.st_mode & wxS_IXGRP ? wxT('x') : wxT('-'),
buff.st_mode & wxS_IROTH ? wxT('r') : wxT('-'),
buff.st_mode & wxS_IWOTH ? wxT('w') : wxT('-'),
buff.st_mode & wxS_IXOTH ? wxT('x') : wxT('-'));
}
#elif defined(__WIN32__)
DWORD attribs = ::GetFileAttributes(m_filePath.c_str());
if (attribs != (DWORD)-1)