2005-11-16 Shaun Jackman <sjackman@gmail.com>

2005-11-16  Shaun Jackman  <sjackman@gmail.com>

	* sim/arm/armos.c: Include limits.h
	(unlink): Remove this macro. It is unused in this file and
	conflicts with sim_callback->unlink.
	(PATH_MAX): Define as 1024 if not already defined.
	(ReadFileName): New function.
	(SWIopen): Fix a potential buffer overflow.
	(SWIremove): New function.
	(SWIrename): Ditto.
	(ARMul_OSHandleSWI): Handle the RDP calls SWI_IsTTY,
	SWI_Remove, and SWI_Rename, as well as the RDI calls
	AngelSWI_Reason_IsTTY, AngelSWI_Reason_Remove, and
	AngelSWI_Reason_Rename.