Re: [pdf-devel] libcurl initialization requirements

[Aleksander Morgado]

> We already have that requirement in some base-layer modules, like
>    the text module or time module. The text module has a
>    pdf_text_context_init() which should be called once at program
>    startup, preferably when no other threads are running (so that no
>    other thread actually tries to call it).
> 
> We should not introduce that requirement!  If pdf_init() is supposed
> to be called only once in the lifetime of the application then we
> should provide the user a way to determine if it has been called
> before in an atomic way.
> 


Well, a second call to pdf_text_init() for example will not
re-initialize the text module. I guess we should just make sure things
are not initialized twice.

> A possible way to achieve that could be:
> 
>    
>    /* Global symbol indicating if libgnupdf has been initialized:  */
>    bool pdf_initialized = false;
> 
>   
>    pdf_init()
>    {
> 
>     ...
> 
>     /* Declare the library initialized.  */
>     pdf_initialized = true;
>    }
> 

What about:
bool pdf_is_init(void);

Instead of the global variable?