Re: [tor-bugs] #11633 [Tor]: Quench a few warnings found with gcc-4.2 and clang

["Tor Bug Tracker & Wiki" <blackhole@xxxxxxxxxxxxxx>]

#11633: Quench a few warnings found with gcc-4.2 and clang
------------------------+--------------------------------
     Reporter:  _x3j11  |      Owner:
         Type:  defect  |     Status:  needs_revision
     Priority:  normal  |  Milestone:  Tor: 0.2.5.x-final
    Component:  Tor     |    Version:
   Resolution:          |   Keywords:  tor-client build
Actual Points:          |  Parent ID:
       Points:          |
------------------------+--------------------------------
Changes (by nickm):

 * keywords:   => tor-client build
 * status:  new => needs_revision


Comment:

 Thanks for the patches!

 Should the CONST_TO_* functions return a const pointer?

 I worry about the time_t patch on platforms like 32-bit NetBSD where long
 is 32 bit but time_t is 64-bit.  On those platforms, it's safe to do:
 {{{
   time_t now = time(NULL);
   long one_hour = 3600;
   time_t in_an_hour = now + one_hour;
 }}}
 but it isn't safe to do:
 {{{
   time_t now = time(NULL);
   long one_hour = 3600;
   time_t in_an_hour = (time_t)((long)now + one_hour);
 }}}

 In other words, the code ought to handle sizeof(time_t) < sizeof(long)
 [the OpenBSD case] as well as sizeof(time_t) > sizeof(long) [the NetBSD
 case].

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/11633#comment:1>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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