Proposal: Add getFullProgName

Conrad Parker conrad at metadecks.org
Wed Jun 13 02:38:44 CEST 2012


On 13 June 2012 07:57, Johan Tibell <johan.tibell at gmail.com> wrote:
> Hi,
>
> getProgName is only useful in case you want to print the program name
> to the screen. You cannot actually use it to do anything interesting
> programmatically (like execv:ing the program.) I suggest we add
> getFullProgName which does the sensible thing of returning argv[0].
> Here's an implementation:
>
> getFullProgName :: IO String
> getFullProgName =
>    alloca $ \ p_argc ->
>    alloca $ \ p_argv -> do
>        getFullProgArgv p_argc p_argv
>        peek p_argv >>= peek >>= peekCString
>
> foreign import ccall unsafe "getFullProgArgv"
>    getFullProgArgv :: Ptr CInt -> Ptr (Ptr CString) -> IO ()
>
> Discussion deadline: 2 weeks

+1

Conrad.



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