> On Tue, 3 May 2005 [EMAIL PROTECTED] wrote: > > Actually I was a little premature with my last post. There are a couple > > more uses of > > Limits<unsigned int> All are to provide constants for manipulation of > > unsigned int bit > > fields. I have appended a patch file for my current position. I still > > haven't changed a > > My concern is that there may be (if not today, then tomorrow) systems > for which 'unsigned int' is 64bits. > > The code seems to be going to a great deal of effort to determine ande > use the machine's natural (fastest) word/int length and changing that > to be 32 might not be optimal (or correct) for some systems. I can see a number of "sizeof (unsigned int)" which is clearly as you say to adapt to machine word size, but then the Limits.hh essentially defines a whole list of templated structures which contain only static member with details about fixed size integers. "unsigned int" is not included. I have search for Limits<unsigned int> to find an instance for unsigned int without succes. I presume it must exist if this code is to adapt as you suggest, or even to allow the code to compile under linux, but I cannot find. > > For the moment 'uint32_t' will probably work but it sure would be nice > to find out why the Cygwin g++ compiler/linker doesn't understand > 'unsigned int'. As far as I can see the cygwin compiler baulks at the compound type " unsigned int" as you will notice the error reported "undefined reference to `Limits<unsigned>::Bits" leaving out the "int". > > > But I now have the whole mjpegplay tree compiling, but have not tested any > > funcionality. > > Oh, so it's unknown if it actually _works_ :-) I can now confirm that at least mplex works under cygwin compile. [EMAIL PROTECTED] Peter King
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