astrophoenix (zojas) wrote,
astrophoenix
zojas

The Snow Leopard!

I updated my macbook to Snow Leopard tonight. I went to run my little C-type sizeof program, and found out that I hadn't recompiled it since I was running on a PPC. rosetta doesn't install by default in Snow Leopard. so I went to re-compile it only to find out gcc had gone missing.

all I had to do was install the new XCode on the Snow Leopard DVD, and then download the iphone SDK 3.0 for Snow Leopard from apple.com/developer (all 404MB of it!).

Do I like the new OS X? sure. I didn't see a lot of difference at first, really. Maybe it seems a little faster, maybe it's placebo. hard to tell. After a few hours I thought to try the new Finder; that is noticeably faster than the one in Leopard. Oh, one bad thing about Snow Leopard: it messed up my customized date and time display in the menu bar clock; I had gone into some plist file years ago to customize it, now I'll have to look that up again.

also, the location feature is neat; you don't have to tell it what time zone you're in any more. also, safari has access to your location too. I've told it to detect my location for this post.

here is the output of sizeof on some standard C types in Mac OS X 10.6.0 (Snow Leopard); woot, 64-bit pointers!

                bool:  1 byte ;   8 bits
                char:  1 byte ;   8 bits
       unsigned char:  1 byte ;   8 bits
               short:  2 bytes;  16 bits
      unsigned short:  2 bytes;  16 bits
                 int:  4 bytes;  32 bits
        unsigned int:  4 bytes;  32 bits
                long:  8 bytes;  64 bits
       unsigned long:  8 bytes;  64 bits
           long long:  8 bytes;  64 bits
  unsigned long long:  8 bytes;  64 bits
                int*:  8 bytes;  64 bits
               float:  4 bytes;  32 bits
              double:  8 bytes;  64 bits
         long double: 16 bytes; 128 bits
           byte enum:  4 bytes;  32 bits
          short enum:  4 bytes;  32 bits
            int enum:  4 bytes;  32 bits
Tags: apple, gcc, snow leopard
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