• d-bugmail puremagic.com (37/37) Jan 12 2014 https://d.puremagic.com/issues/show_bug.cgi?id=11908

d-bugmail puremagic.com writes:

https://d.puremagic.com/issues/show_bug.cgi?id=11908

           Summary: const(char)[] assigned to immutable(char)[] without
                    error
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: major
          Priority: P2
         Component: DMD
        AssignedTo: nobody puremagic.com
        ReportedBy: turkeyman gmail.com



inout(char)[] todstr(inout(char)* cstr) pure nothrow
{
    return cstr ? cstr[0 .. std.c.string.strlen(cstr)] : cstr[0 .. 0];
}

struct Data
{
    char buffer[256] = void;
     property const(char)[] filename() const pure nothrow    { return
todstr(buffer.ptr); }
}

struct MyThing
{
    private this(in Data* p)
    {
        filename = p.filename; // *** Uh oh! assigned a const(char)[]  property
to a string! ***
    }

    string filename;
}

The const(char)[] is on the stack, program crashes soon after the assignment.

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