Hello:
I wonder what do you think about a patch to implement getting a pointer
to the current function. Is it a "no, under no circumstances"? Or it is
a "maybe, show us the code"?
I'll explain better what I mean: currently there is the statement
__func__ that returns a string with the name of the current function.
This allows to print (for example from a macro) which is the current
function name. Along with __LINE__ it is useful for debugging, among
other things.
But I miss an statement that allows to have a pointer to the current
function. Thus putting it in a macro would allow to have a pointer to
the function where that macro is. It would be very useful for
coroutines, for example. I've been searching and can't find a simple way
of doing it. Some people proposes to use __func__ combined with dlsym
and dlopen, but it is slow and clearly a hack, and forces to use
-rdynamic, which is not always possible/desirable. Currently I use
another macro to define the function itself, passing the desired name as
an argument and creating a variable with a pointer to it, but it is ugly.
Thanks.
--
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RASTER (Linux user #228804)
rasters...@gmail.com https://www.rastersoft.com
