On Thu, 12 May 2022 15:58:57 GMT, Severin Gehwolf <sgehw...@openjdk.org> wrote:
>> src/hotspot/os/linux/cgroupV1Subsystem_linux.cpp line 113:
>>
>>> 111: }
>>> 112: buf[MAXPATHLEN-1] = '\0';
>>> 113: _path = os::strdup(buf);
>>
>> I think this code can be simplified a lot with stringStream and without
>> strtok, so no need for fixed buffers (which may fail with longer path names)
>> and no need for writable string copies on the stack.
>>
>> Something like this:
>>
>> stringStream ss;
>> ss.print_raw(_mount_point);
>> const char* p1 = _root;
>> const char* p2 = cgroup_path;
>> int last_matching_dash_pos = -1;
>> for (int i = 0; *p1 == *p2 && *p1 != 0; i ++) {
>> if (*p1 == '/') {
>> last_matching_dash_pos = i;
>> }
>> p1++; p2++;
>> }
>> ss.print_raw(_root, last_matching_dash_pos);
>> // Now use ss.base() to access the assembled string
>
> Nice, thanks! I'll update it.
Done.
-------------
PR: https://git.openjdk.java.net/jdk/pull/8629
