////////////////////////////////////////////////////////////////////////////////
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// This source file is part of the ZipArchive library source distribution and
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// is Copyrighted 2000 - 2011 by Artpol Software - Tadeusz Dracz
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// For the licensing details refer to the License.txt file.
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//
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// Web Site: http://www.artpol-software.com
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////////////////////////////////////////////////////////////////////////////////
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#include "stdafx.h"
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#include "ZipException.h"
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#include "zlib/zlib.h"
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#include <errno.h>
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//////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////
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#if defined _MFC_VER && defined _ZIP_IMPL_MFC
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IMPLEMENT_DYNAMIC( CZipException, CException)
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#endif
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CZipException::CZipException(int iCause, LPCTSTR lpszZipName)
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#ifdef _MFC_VER
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:CException(TRUE)
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#endif
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{
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m_iCause = iCause;
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if (lpszZipName)
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m_szFileName = lpszZipName;
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#ifdef _ZIP_SYSTEM_WIN
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m_iSystemError = ::GetLastError();
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#else
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m_iSystemError = errno;
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#endif
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}
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CZipException::~CZipException() throw()
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{
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}
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// inline void CZipException::Throw(int iZipError, LPCTSTR lpszZipName)
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// {
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// #ifdef _MFC_VER
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// throw new CZipException(iZipError, lpszZipName);
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// #else
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// CZipException e(iZipError, lpszZipName);
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// throw e;
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// #endif
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// MSVC++: ignore "Unreachable code" warning here, it's due to
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// optimizations
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// }
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#ifdef _ZIP_ENABLE_ERROR_DESCRIPTION
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ZBOOL CZipException::GetErrorMessage(LPTSTR lpszError, UINT nMaxError,
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UINT* )
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{
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if (!lpszError || !nMaxError)
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return FALSE;
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CZipString sz = GetErrorDescription();
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if (sz.IsEmpty())
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return FALSE;
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UINT iLen = sz.GetLength();
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if (nMaxError - 1 < iLen)
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iLen = nMaxError - 1;
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LPTSTR lpsz = sz.GetBuffer(iLen);
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#if _MSC_VER >= 1400
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#ifdef _UNICODE
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wcsncpy_s(lpszError, nMaxError, lpsz, iLen);
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#else
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strncpy_s(lpszError, nMaxError, lpsz, iLen);
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#endif
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#else
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#ifdef _UNICODE
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wcsncpy(lpszError, lpsz, iLen);
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#else
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strncpy(lpszError, lpsz, iLen);
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#endif
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#endif
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lpszError[iLen] = _T('\0');
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return TRUE;
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}
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CZipString CZipException::GetErrorDescription()
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{
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return GetInternalErrorDescription(m_iCause);
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}
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CZipString CZipException::GetSystemErrorDescription()
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{
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#ifdef WIN32
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DWORD x = GetLastError();
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if (x)
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{
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LPVOID lpMsgBuf;
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FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |FORMAT_MESSAGE_IGNORE_INSERTS,
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NULL, x, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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(LPTSTR) &lpMsgBuf, 0, NULL);
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CZipString sz = (LPCTSTR)lpMsgBuf;
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LocalFree(lpMsgBuf);
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return sz;
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}
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#endif
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return GetInternalErrorDescription(errno == 0 ? genericError : errno, true);
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}
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CZipString CZipException::GetInternalErrorDescription(int iCause, bool bNoLoop)
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{
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CZipString sz;
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switch (iCause)
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{
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case EROFS:
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sz = _T("Read-only file system.");
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break;
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case ESPIPE:
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sz = _T("Illegal seek.");
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break;
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case ENOSPC:
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sz = _T("No space left on device.");
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break;
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case EFBIG:
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sz = _T("File too large.");
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break;
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case EMFILE:
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sz = _T("Too many open files.");
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break;
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case ENFILE:
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sz = _T("File table overflow.");
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break;
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case EINVAL:
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sz = _T("Invalid argument.");
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break;
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case EISDIR:
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sz = _T("Is a directory.");
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break;
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case ENOTDIR:
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sz = _T("Not a directory.");
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break;
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case ENODEV:
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sz = _T("No such device.");
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break;
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case EXDEV:
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sz = _T("Cross-device link.");
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break;
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case EEXIST:
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sz = _T("File exists.");
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break;
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case EFAULT:
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sz = _T("Bad address.");
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break;
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case EACCES:
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sz = _T("Permission denied.");
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break;
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case ENOMEM:
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sz = _T("Not enough space.");
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break;
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case EBADF:
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sz = _T("Bad file number.");
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break;
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case ENXIO:
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sz = _T("No such device or address.");
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break;
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case EIO:
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sz = _T("I/O error.");
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break;
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case EINTR:
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sz = _T("Interrupted system call.");
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break;
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case ENOENT:
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sz = _T("No such file or directory.");
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break;
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case EPERM:
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sz = _T("Not super-user.");
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break;
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case badZipFile:
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sz = _T("Damaged or not a zip file.");
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break;
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case badCrc:
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sz = _T("Crc is mismatched.");
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break;
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case noCallback:
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sz = _T("There is no spanned archive callback object set.");
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break;
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case noVolumeSize:
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sz = _T("The volume size was not defined for a split archive.");
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break;
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case aborted:
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sz = _T("Volume change aborted in a segmented archive.");
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break;
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case abortedAction:
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sz = _T("Action aborted.");
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break;
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case abortedSafely:
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sz = _T("Action aborted safely.");
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break;
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case nonRemovable:
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sz = _T("The device selected for the spanned archive is not removable.");
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break;
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case tooManyVolumes:
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sz = _T("The limit of the maximum number of volumes has been reached.");
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break;
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case tooManyFiles:
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sz = _T("The limit of the maximum number of files in an archive has been reached.");
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break;
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case tooLongData:
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sz = _T("The filename, the comment or local or central extra field of the file added to the archive is too long.");
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break;
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case tooBigSize:
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sz = _T("The file size is too large to be supported.");
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break;
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case badPassword:
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sz = _T("An incorrect password set for the file being decrypted.");
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break;
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case dirWithSize:
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sz = _T("The directory with a non-zero size found while testing.");
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break;
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case internalError:
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sz = _T("An internal error.");
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break;
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case fileError:
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sz.Format(_T("%s (%s)."), _T("A file error occurred"), (LPCTSTR)GetSystemErrorDescription());
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break;
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case notRemoved:
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sz.Format(_T("%s (%s)."), _T("Error while removing a file"), (LPCTSTR)GetSystemErrorDescription());
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break;
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case notRenamed:
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sz.Format(_T("%s (%s)."), _T("Error while renaming a file"), (LPCTSTR)GetSystemErrorDescription());
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break;
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case platfNotSupp:
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sz = _T("Cannot create a file for the specified platform.");
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break;
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case cdirNotFound:
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sz = _T("The central directory was not found in the archive (or you were trying to open not the last volume of a segmented archive).");
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break;
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case noZip64:
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sz = _T("The Zip64 format has not been enabled for the library, but is required to use the archive.");
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break;
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case noAES:
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sz = _T("WinZip AES encryption has not been enabled for the library, but is required to decompress the archive.");
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break;
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#ifdef _ZIP_IMPL_STL
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case outOfBounds:
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sz = _T("The collection is empty and the bounds do not exist.");
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break;
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#endif
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#ifdef _ZIP_USE_LOCKING
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case mutexError:
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sz = _T("Locking or unlocking resources access was unsuccessful.");
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break;
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#endif
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case streamEnd:
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sz = _T("Zlib library error (end of stream).");
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break;
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case errNo:
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sz = GetInternalErrorDescription(errno != errNo ? errno : genericError);
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break;
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case streamError:
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sz = _T("Zlib library error (stream error).");
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break;
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case dataError:
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sz = _T("Zlib library error (data error).");
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break;
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case memError:
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sz = _T("Not enough memory.");
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break;
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case bufError:
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sz = _T("Zlib library error (buffer error).");
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break;
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case versionError:
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sz = _T("Zlib library error (version error).");
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break;
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default:
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sz = bNoLoop ? _T("Unspecified error") :(LPCTSTR) GetSystemErrorDescription();
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}
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return sz;
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}
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#endif //_ZIP_ENABLE_ERROR_DESCRIPTION
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