[Issue 11168] New: core.stdc.time.asctime() is incorrectly marked as @trusted

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=11168

           Summary: core.stdc.time.asctime() is incorrectly marked as
                    @trusted
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: druntime
        AssignedTo: nobody at puremagic.com
        ReportedBy: bugzilla at digitalmars.com


--- Comment #0 from Walter Bright <bugzilla at digitalmars.com> 2013-10-03 20:23:56 PDT ---
https://github.com/D-Programming-Language/druntime/blob/master/src/core/stdc/time.d#L89

asctime() is not @trusted because it is allowed to return a non-shared pointer
to shared data. It's also not reentrant - it'll produce mangled garbage if
called from multiple threads. There's no way this can be marked as @trusted.

The similar functions in the same module need to be carefully reviewed.

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