// Environment block == null-terminated block of null-terminated strings of the form: name=value\0
wchar_t * XWinProcessLauncher::_CreateEnvironmentVariablesBlock(const EnvVarNamesAndValuesMap &inVarToUse)
{
wchar_t * initialEnvStrings = NULL;
VMemoryBuffer<> allStrings;
wchar_t * theEnvVarBlock = NULL;
// Initial environment variables
initialEnvStrings = ::GetEnvironmentStringsW();
if(initialEnvStrings != NULL)
{
wchar_t *currentStr = initialEnvStrings;
size_t fullStrSize;
while (*currentStr)
{
fullStrSize = ::wcslen(currentStr) + 1;
allStrings.PutData(allStrings.GetDataSize(), currentStr, fullStrSize * sizeof(wchar_t));
currentStr += fullStrSize;
}
}
// Prepare our envir. variables
if(!inVarToUse.empty())
{
XBOX::VString oneEnvVarAndValue;
EnvVarNamesAndValuesMap::const_iterator envVarIterator;
// Calculate final buffer size (concatenate name=value and add the 0 terminattion)
for (envVarIterator = inVarToUse.begin(); envVarIterator != inVarToUse.end(); envVarIterator++)
{
oneEnvVarAndValue = envVarIterator->first;
if(!oneEnvVarAndValue.IsEmpty())
{
oneEnvVarAndValue += "=";
oneEnvVarAndValue += envVarIterator->second;
const wchar_t * varValueCStr = oneEnvVarAndValue.GetCPointer(); // Null terminated UniCode string.
if(testAssert(varValueCStr != NULL))
{
allStrings.PutData(allStrings.GetDataSize(), varValueCStr, (oneEnvVarAndValue.GetLength() + 1) * sizeof(wchar_t));
}
}
}
} //if(!inVarToUse.empty())
if(allStrings.GetDataSize() > 0)
{
wchar_t theZero = 0;
allStrings.PutData(allStrings.GetDataSize(), &theZero, sizeof(wchar_t));
theEnvVarBlock = new wchar_t[allStrings.GetDataSize()];
if(testAssert(theEnvVarBlock))
allStrings.GetData(0, theEnvVarBlock, allStrings.GetDataSize());
}
if(initialEnvStrings != NULL)
::FreeEnvironmentStringsW(initialEnvStrings);
return theEnvVarBlock;
}
// Environment block == null-terminated block of null-terminated strings of the form: name=value\0
char * XWinProcessLauncher::_CreateEnvironmentVariablesBlock(const EnvVarNamesAndValuesMap &inVarToUse)
{
char *initialEnvStrings = NULL;
VMemoryBuffer<> allStrings;
char * theEnvVarBlock = NULL;
// Initial environment variables
initialEnvStrings = ::GetEnvironmentStrings();
if(initialEnvStrings != NULL)
{
char *currentStr = initialEnvStrings;
size_t fullStrSize;
while(*currentStr)
{
fullStrSize = strlen(currentStr) + 1;
allStrings.PutData(allStrings.GetDataSize(), currentStr, fullStrSize);
currentStr += fullStrSize;
}
}
// Prepare our envir. variables
if(!inVarToUse.empty())
{
XBOX::VString oneEnvVarAndValue;
// Calculate final buffer size (concatenate name=value and add the 0 terminattion)
EnvVarNamesAndValuesMap::const_iterator envVarIterator = inVarToUse.begin();
while(envVarIterator != inVarToUse.end())
{
oneEnvVarAndValue = envVarIterator->first;
if(!oneEnvVarAndValue.IsEmpty())
{
oneEnvVarAndValue += "=";
oneEnvVarAndValue += envVarIterator->second;
char *varValueCStr = _CreateCString(oneEnvVarAndValue);
if(testAssert(varValueCStr != NULL))
{
allStrings.PutData(allStrings.GetDataSize(), varValueCStr, strlen(varValueCStr) + 1);
delete [] varValueCStr;
}
}
++envVarIterator;
}
} //if(!inVarToUse.empty())
if(allStrings.GetDataSize() > 0)
{
char theZero = 0;
allStrings.PutData(allStrings.GetDataSize(), &theZero, 1);
theEnvVarBlock = new char[allStrings.GetDataSize()];
if(testAssert(theEnvVarBlock))
allStrings.GetData(0, theEnvVarBlock, allStrings.GetDataSize());
}
if(initialEnvStrings != NULL)
::FreeEnvironmentStrings(initialEnvStrings);
return theEnvVarBlock;
}