IEXTEN bug in ISC 2.2 compiler POSIX support

[Rob Healey]

In article <18 at kaspar.UUCP> ires at kaspar.UUCP (Bruce R. Larson) writes:
>SUMMARY
>We discovered a bug in the ISC 2.2 compiler.  When _POSIX_SOURCE is
>defined, IEXTEN is treated as if it was XCASE.
>BACKGROUND
>When compiling tcsh-5.20* for SysV/386, if POSIX is defined then
>termios.h is included otherwise sys/termio.h is included.
>The problem seems to be caused by this:
>  IEXTEN   in termios.h  (line discipline section) is defined as 0000004
>  XCASE  in sys/termio.h (line discipline section) is defined as 0000004
>
>The symptom was that all capital letters were escaped with a backslash.
>
>QUESTION
>Is there any other SysV/386 with POSIX compiler support?  And if so,
>is there a collision between your defs for IEXTEN and XCASE, or have
>you noticed the bug mentioned above?
>

	Under SCO UNIX 3.2v2.0 IEXTEN is 400, XCASE is 4. Looks like
	some fingers slipped at ISC....



		-Rob

Speaking for self, not company.