__inline
errno_t __cdecl DuplicateEnvString(TCHAR **ppszBuffer, size_t *pnBufferSizeInTChars, const TCHAR *pszVarName)
{
/* validation section */
if (ppszBuffer == NULL) { return EINVAL; }
*ppszBuffer = NULL;
if (pnBufferSizeInTChars != NULL)
{
*pnBufferSizeInTChars = 0;
}
/* varname is already validated in getenv */
TCHAR szDummyBuff[1] = {0};
size_t nSizeNeeded = 0;
errno_t ret=_tgetenv_s(&nSizeNeeded,szDummyBuff,1,pszVarName);
if (nSizeNeeded > 0)
{
*ppszBuffer = new TCHAR[nSizeNeeded];
if (*ppszBuffer != NULL)
{
size_t nSizeNeeded2 = 0;
ret=_tgetenv_s(&nSizeNeeded2,*ppszBuffer,nSizeNeeded,pszVarName);
if (nSizeNeeded2!=nSizeNeeded)
{
ret=ERANGE;
} else if (pnBufferSizeInTChars != NULL)
{
*pnBufferSizeInTChars = nSizeNeeded;
}
} else
{
ret=ENOMEM;
}
}
return ret;
}
void dxLogger::getSystemInfo () {
size_t retVal;
_tgetenv_s (&retVal, osName, MAX_PATH, _T("OS"));
_tgetenv_s (&retVal, compName, MAX_PATH, _T("COMPUTERNAME"));
_tgetenv_s (&retVal, userName, MAX_PATH, _T("USERNAME"));
_tgetenv_s (&retVal, appDataPath, MAX_PATH, _T("APPDATA"));
}
static BOOL FindGitPath()
{
size_t size;
_tgetenv_s(&size, NULL, 0, _T("PATH"));
if (!size)
{
return FALSE;
}
TCHAR *env = (TCHAR*)alloca(size * sizeof(TCHAR));
_tgetenv_s(&size, env, size, _T("PATH"));
TCHAR buf[_MAX_PATH];
// search in all paths defined in PATH
while ((env = nextpath(env, buf, _MAX_PATH-1)) && *buf)
{
TCHAR *pfin = buf + _tcslen(buf)-1;
// ensure trailing slash
if (*pfin != _T('/') && *pfin != _T('\\'))
_tcscpy(++pfin, _T("\\"));
const int len = _tcslen(buf);
if ((len + 7) < _MAX_PATH)
_tcscpy(pfin+1, _T("git.exe"));
else
break;
if ( FileExists(buf) )
{
// dir found
pfin[1] = 0;
CGit::ms_LastMsysGitDir = buf;
return TRUE;
}
}
return FALSE;
}
TCHAR * UTBStr::tgetenv(const TCHAR *varname)
{
#if _MSC_VER >= 1400
TCHAR* retval;
size_t requiredSize;
// Get required length
_tgetenv_s( &requiredSize, NULL, 0, varname);
retval = new TCHAR[requiredSize];
if (!_tgetenv_s( &requiredSize, retval, requiredSize, varname ))
return retval;
else
{
delete [] retval;
return NULL;
}
#else
return _tgetenv(varname);
#endif
}
BOOL CGit::CheckMsysGitDir()
{
static BOOL bInitialized = FALSE;
if (bInitialized)
{
return TRUE;
}
TCHAR *oldpath,*home;
size_t size;
// set HOME if not set already
_tgetenv_s(&size, NULL, 0, _T("HOME"));
if (!size)
{
_tdupenv_s(&home,&size,_T("USERPROFILE"));
_tputenv_s(_T("HOME"),home);
free(home);
}
//setup ssh client
CRegString sshclient=CRegString(_T("Software\\TortoiseGit\\SSH"));
CString ssh=sshclient;
if(!ssh.IsEmpty())
{
_tputenv_s(_T("GIT_SSH"),ssh);
}else
{
_tputenv_s(_T("GIT_SSH"),_T(""));
}
// search PATH if git/bin directory is alredy present
if ( FindGitPath() )
{
bInitialized = TRUE;
return TRUE;
}
// add git/bin path to PATH
CRegString msysdir=CRegString(REG_MSYSGIT_PATH,_T(""),FALSE,HKEY_LOCAL_MACHINE);
CString str=msysdir;
if(str.IsEmpty())
{
CRegString msysinstalldir=CRegString(REG_MSYSGIT_INSTALL,_T(""),FALSE,HKEY_LOCAL_MACHINE);
str=msysinstalldir;
if ( !str.IsEmpty() )
{
str += (str[str.GetLength()-1] != '\\') ? "\\bin" : "bin";
msysdir=str;
msysdir.write();
}
else
{
return false;
}
}
//CGit::m_MsysGitPath=str;
//set path
_tdupenv_s(&oldpath,&size,_T("PATH"));
CString path;
path.Format(_T("%s;%s"),oldpath,str);
_tputenv_s(_T("PATH"),path);
CString sOldPath = oldpath;
free(oldpath);
if( !FindGitPath() )
{
return false;
}
else
{
#ifdef _TORTOISESHELL
l_processEnv = GetEnvironmentStrings();
// updated environment is now duplicated for use in CreateProcess, restore original PATH for current process
_tputenv_s(_T("PATH"),sOldPath);
#endif
bInitialized = TRUE;
return true;
}
}
