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

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#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
}