Re: Could use some help with variable length argument lists

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On Tue, Feb 10, 2004 at 03:37:00PM -0500, Jeremy Faulkner wrote:
>=20
>=20
> va_start says that the last required variable is "message".
>=20
> You can't use ap because it's not in the list of variables when you=20
> called the function.

ap doesn't represent a parameter, it represents the list. C/C++ have
no way of knowing how many parameters were passed in.  The information
in "message" tells the function how many parameters are in the list.

> _log(1, "Log test");
> 		  ^ There's nothing there to be "ap"
>=20
> So it "Segmentation fault (core dumped)"'s
>=20
> _log(1, "Log test", NULL);

If that were true, then

	printf("Hello, world!");

could never work.

Marc.

> --=20
> Jeremy Faulkner				http://www.gldis.ca
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--=20
Marc Ramirez
Blue Circle Software Corporation
513-688-1070 (main)
513-382-1270 (direct)
http://www.bluecirclesoft.com
http://www.mrami.com (personal)

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