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pkg/50133: perl's setenv is incompatible with NetBSD
>Number: 50133
>Category: pkg
>Synopsis: perl's setenv is incompatible with NetBSD
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: pkg-manager
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Thu Aug 06 15:30:00 +0000 2015
>Originator: Martin Husemann
>Release: NetBSD 7.99.20
>Organization:
The NetBSD Foundation, Inc.
>Environment:
System: NetBSD whoever-brings-the-night.aprisoft.de 7.99.20 NetBSD 7.99.20 (WHOEVER) #71: Fri Jul 31 09:31:00 CEST 2015 martin%seven-days-to-the-wolves.aprisoft.de@localhost:/ssd/src/sys/arch/sparc64/compile/WHOEVER sparc64
Architecture: sparc64
Machine: sparc64
>Description:
Triggered by investigating a failing perl test on -current:
perl -e '$ENV{TZ} = "GMT-5"; ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime(); print "$hour\n";$ENV{TZ} = "GMT+5"; ($sec,$min,$hour2,$mday,$mon,$year,$wday,$yday,$isdst) = localtime(); print "$hour2\n";'
20
20
This should print two hour values 10 hours apart and does so on netbsd-6, but
fails in -current and netbsd-7.
Note that a proper C test program (either using setenv(3) or putenv(3)) does
work:
#include <time.h>
#include <stdio.h>
#include <stdlib.h>
static void test(void)
{
time_t now;
struct tm *t;
time(&now);
t = localtime(&now);
printf("hour: %d\n", t->tm_hour);
}
int main(int argc, char **argv)
{
putenv("TZ=GMT-5");
test();
putenv("TZ=GMT+5");
test();
return 0;
}
Perl seems to manualy play games with "environ".
>How-To-Repeat:
s/a
>Fix:
n/a
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