On Wed, 1 Sep 2021 13:39:46 GMT, Naoto Sato <na...@openjdk.org> wrote:
>> Hi, >> Please help me review the change to enhance getting time zone ID from >> /etc/localtime on linux. >> >> We use `realpath` instead of `readlink` to obtain the link name of >> /etc/localtime, because `readlink` can only read the value of a symbolic of >> link, not the canonicalized absolute pathname. >> >> For example, the value of /etc/localtime is >> "../usr/share/zoneinfo//Asia/Shanghai", then the linkbuf obtained by >> `readlink` is "../usr/share/zoneinfo//Asia/Shanghai", and then the call of >> `getZoneName(linkbuf)` will get "/Asia/Shanghai", not "Asia/Shanghai", which >> consider as invalid in `ZoneInfoFile.getZoneInfo()`. Using `realpath`, you >> can get “/usr/share/zoneinfo/Asia/Shanghai“ directly from “/etc/localtime“. >> >> Thanks, >> wuyan > > The change looks reasonable. Please test your fix with macOS as well. Hi, @naotoj, Could you do me a favor to review the patch? ------------- PR: https://git.openjdk.java.net/jdk/pull/5327