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/*
* Default Initialization Function
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#include <botan/init.h>
#include <botan/parsing.h>
#include <botan/libstate.h>
#include <botan/global_state.h>
namespace Botan {
/*
* Library Initialization
*/
void LibraryInitializer::initialize(const std::string& arg_string)
{
bool thread_safe = false;
const std::vector<std::string> arg_list = split_on(arg_string, ' ');
for(size_t i = 0; i != arg_list.size(); ++i)
{
if(arg_list[i].size() == 0)
continue;
std::string name, value;
if(arg_list[i].find('=') == std::string::npos)
{
name = arg_list[i];
value = "true";
}
else
{
std::vector<std::string> name_and_value = split_on(arg_list[i], '=');
name = name_and_value[0];
value = name_and_value[1];
}
bool is_on =
(value == "1" || value == "true" || value == "yes" || value == "on");
if(name == "thread_safe")
thread_safe = is_on;
}
try
{
/*
This two stage initialization process is because Library_State's
constructor will implicitly refer to global state through the
allocators and so forth, so global_state() has to be a valid
reference before initialize() can be called. Yeah, gross.
*/
Global_State_Management::set_global_state(new Library_State);
global_state().initialize(thread_safe);
}
catch(...)
{
deinitialize();
throw;
}
}
/*
* Library Shutdown
*/
void LibraryInitializer::deinitialize()
{
Global_State_Management::set_global_state(0);
}
}
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