bug report - timezone incorrectly set [forwarded with permission]

[Arthur David Olson]

I'm forwarding the attached bug report with permisison from Timothy Patrick
Murphy; an updated version of the time zone code--
	ftp://elsie.nci.nih.gov/pub/tzcode96j.tar.gz
--is now available which sets sp->typecnt as suggested.

				--ado

> ...
> Date: Mon, 29 Jul 1996 10:24:18 -0400
> ...
> To: ado at elsie.nci.nih.gov
> Subject: bug report - timezone incorrectly set
> ...
> 
> I believe I have discovered a bug in the tzparse() function and would
> like you to review this.  When the value of the TZ environment
> variable is of the form JKL3:10PNM4:40 the section of code between
> lines 947 and 1031 in localtime.c are executed.  It seems that at the
> end of this block the value of sp->typecnt should be set to 2.  If
> this is not done and there are at least 2 entries in the ttis array
> such that tt_isdst is false then the value of the global timezone
> variable is corrupted on line 234 in the settzname() function.
> 
> tpm
> 
> Timothy Patrick Murphy		tpm at hi.com 	Voice: (617) 890-0444	
> Hitachi Computer Products                 	  Fax: (617) 890-4998
> 1601 Trapelo Rd., Waltham, MA 02154, USA