[tz] A small first step in merging NetBSD changes into tzcode

[Ian Abbott]

On 05/01/2023 08:49, Guy Harris via tz wrote:
> On Jan 4, 2023, at 5:03 PM, Paul Eggert via tz <tz at iana.org> wrote:
> 
>> I took a look at that and saw there are quite a few changes and NetBSD has some gimmicks to deal with old binaries with 32-bit time_t (is that still relevant?) so I decided to start with something simpler, namely zdump.c. I compared NetBSD zdump.c to tzcode and saw one improvement in NetBSD which used a NetBSD-specific function, and recoded that in standard POSIX by installing the attached patch into tzdb.
> 
> Is there a reason for doing
> 
> 	char const *e = strerror(errno);
> 	fprintf(stderr, _("%s: setenv: %s\n"), progname, e);
> 
> rather than
> 
> 	fprintf(stderr, _("%s: setenv: %s\n"), progname, strerror(errno));

That depends whether _("string") preserves errno or not.

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