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   comp.os.vms      DEC's VAX* line of computers & VMS.      264,096 messages   

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   Message 262,160 of 264,096   
   =?UTF-8?Q?Arne_Vajh=C3=B8j?= to All   
   Re: Screen management in C   
   28 Dec 24 11:52:46   
   
   From: arne@vajhoej.dk   
      
   On 12/27/2024 2:34 PM, Arne Vajhøj wrote:   
   > On 12/27/2024 11:12 AM, Craig A. Berry wrote:   
   >> On 12/27/24 9:17 AM, Arne Vajhøj wrote:   
   >>> Because SMG$ are supporting Pascal/Basic/Cobol/Fortran then   
   >>> many arguments are pass by descriptor and you will need to setup   
   >>> those in C, so some familiarity with descriptors will be required.   
   >>   
   >> This has been discussed previously here:   
   >>   
   >> https://groups.google.com/g/comp.os.vms/c/ufBEqvGdglU   
   >>   
   >> That discussion has pointers to various examples,   
   >   
   > In general VMS Pascal/VMS Basic code should be maybe 25% shorter   
   > than equivalent C code. But with a descriptor centric API like   
   > SMG$ then it may be more like 40% shorter.   
   >   
   > One could make a nice wrapper in C++ encapsulating the context   
   > and convert between stl::string / C char array and descriptors.   
      
   If anyone want to try, then I suggest:   
      
   $ CXX/POINTER=32 ...   
      
   or you will regret it.   
      
   Arne   
      
   --- SoupGate-DOS v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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