RetroZilla/modules/plugin/tools/spy/common/utils.cpp

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "xp.h"
// file utils
BOOL XP_IsFile(char * szFileName)
{
#ifdef XP_WIN
OFSTRUCT of;
return (HFILE_ERROR != OpenFile(szFileName, &of, OF_EXIST));
#endif
#ifdef XP_UNIX
struct stat s;
return (stat(szFileName, &s) != -1);
#endif
#ifdef XP_MAC /* HACK */
return 1;
#endif
}
void XP_DeleteFile(char * szFileName)
{
#ifdef XP_WIN
DeleteFile(szFileName);
#else
remove(szFileName);
#endif
}
XP_HFILE XP_CreateFile(char * szFileName)
{
#ifdef XP_WIN
OFSTRUCT of;
HFILE hFile = OpenFile(szFileName, &of, OF_CREATE | OF_WRITE);
return (hFile != HFILE_ERROR) ? hFile : NULL;
#else
return (XP_HFILE)fopen(szFileName, "w+");
#endif
}
XP_HFILE XP_OpenFile(char * szFileName)
{
#ifdef XP_WIN
OFSTRUCT of;
HFILE hFile = OpenFile(szFileName, &of, OF_READ | OF_WRITE);
return (hFile != HFILE_ERROR) ? hFile : NULL;
#else
return (XP_HFILE)fopen(szFileName, "r+");
#endif
}
void XP_CloseFile(XP_HFILE hFile)
{
if(hFile != NULL)
{
#ifdef XP_WIN
CloseHandle((HANDLE)hFile);
#else
fclose(hFile);
#endif
}
}
DWORD XP_WriteFile(XP_HFILE hFile, void * pBuf, int iSize)
{
#ifdef XP_WIN
DWORD dwRet;
WriteFile((HANDLE)hFile, pBuf, iSize, &dwRet, NULL);
return dwRet;
#else
return (DWORD)fwrite(pBuf, iSize, 1, hFile);
#endif
}
void XP_FlushFileBuffers(XP_HFILE hFile)
{
#ifdef XP_WIN
FlushFileBuffers((HANDLE)hFile);
#else
fflush(hFile);
#endif
}
// misc utils
void * XP_GetSymbol(XP_HLIB hLib, char * szProcName)
{
#ifdef XP_WIN
return (void *)GetProcAddress(hLib, szProcName);
#endif
}