[bugs] [illumos gate - Bug #1232] setlocale switch to C is broken

[illumos bugs]

Issue #1232 has been updated by Jason King.

File locale.patch added
File test.c added

Corrected patch attached.

Test case also attached.

Ran full nightly, resulting be w/ patch applied does not have issue.

Running test case with "LD_PRELOAD=./libc.so ./test" (where libc.so is the current Illumos libc) recreates the issue.
----------------------------------------
Bug #1232: setlocale switch to C is broken
https://www.illumos.org/issues/1232

Author: Julian Wiesener
Status: New
Priority: Urgent
Assignee: Jason King
Category: locale - data and messages
Target version: 
Difficulty: Hard
Tags: locale


Result is https://www.illumos.org/issues/1203 since perl uses setlocale(LC_NUMERIC, "C"); to check the version number.

Testcase:
$ cat test.c
#include <locale.h>
#include <stdio.h>

int main(void)
{
        setlocale(LC_NUMERIC, "de_DE.UTF-8");
        printf("%f\n",2.5);
        setlocale(LC_NUMERIC, "C");
        printf("%f\n",2.5);
        setlocale(LC_NUMERIC, "en_US.UTF-8");
        printf("%f\n",2.5);
}
$ CC -o test test.c           
$ LC_NUMERIC=de_DE.UTF-8 ./test
2,500000
2,500000
2.500000


richlowe confirmed the bug: http://pastie.org/private/5e4e8xyzbh9jcjyremqlq


I set it to urgent, since it's a showstopper for OIs first Illumos based /dev Release



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