[ts-7000] Re: Segmentation Faults with Arrays greater than 64kB on TS-7260

["geoffveale" <>]

Thanks for all the responses. You have given me a lot to think about.
The applicable code I am using looks similar to below. The array being
used is a 2D array and I used a routine I found on the internet to
create the array using malloc. Any further comments that might show
problems would be appreciated. The code shown runs most of the time
without problems. I have never had a crash during creation of the
array of during initialisation. Problems (seg. faults) seem to happen
at later stages after the array has been used a few times. Perhaps the
problem is in another area and the array is an easy target (because of
the size) for another code messing with the memory??

Geoff Veale


#define oops(s) { perror((s)); exit(EXIT_FAILURE); }
#define MALLOC(s,t) if(((s) = malloc(t)) == NULL) { oops("error:
malloc() "); }

unsigned char **bin;


void main(void){
   various code..
   
   my_subroutine();

   return;
}

void my_subroutine(void){ 

  MALLOC( bin, sizeof( unsigned char *) * 72);

  for (i = 0; i < 72; i++) {
  MALLOC( bin[i], sizeof(unsigned char) * 4096);
  }
  
  //fill array with zeros
  for ( x = 0; x < 72 ; x++){
    for ( y = 0; y < 4096; y++){
        bin[x][y] = 0;
    }
  }


  other code..

  return;
}







 
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