[Ffmpeg-devel] stdint.h and inttypes.h for non-C99 compilers

Måns Rullgård mru
Sat Dec 16 02:57:19 CET 2006

Christian Iversen <chrivers at iversen-net.dk> writes:

> On Friday 15 December 2006 13:50, M?ns Rullg?rd wrote:
>> Christian Iversen said:
>> > The stack is callee-cleared, and thus "register" is very much like
>> > (perhaps identical to) Borland C++'s "__fastcall" modifier:
>> Requiring the callee to restore the stack is simply stupid, IMHO.
> Well, that depends on the circumstance. 

Give an example where the callee restoring the stack would be better.

>> Imagine what would happen if a function like printf were called with too
>> many arguments.
> What do you mean by "too many"?

int foo, bar;
printf("%d\n", foo, bar);

> Pascal calling convention is not used with the same style of varargs
> as cdecl, so the function will always know how many parameters it
> has accepted. This is never a problem in practice.

How is the number of arguments passed to the function?  Whatever the
mechanism, it seems like a waste to me.

> Of course, calling conventions on x86 is a mess anyway. Now, the x86_64 
> calling convention, that's something sane :-)

Oh yes...

M?ns Rullg?rd
mru at inprovide.com

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