Fossil

Diff
Login

Differences From Artifact [5f464a5a25]:

To Artifact [2d4ffaf981]:


484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
#define StringGet(S) ((S)->zText?(S)->zText:"")

/*
** Compute a hash on a string.  The number returned is a non-negative
** value between 0 and 2**31 - 1
*/
static int Hash(const char *z, int n){
  int h = 0;
  if( n<=0 ){
    n = strlen(z);
  }
  while( n-- ){
    h = h ^ (h<<5) ^ *z++;
  }
  return h & 0x7fffffff;
}

/*
** Given an identifier name, try to find a declaration for that
** identifier in the hash table.  If found, return a pointer to
** the Decl structure.  If not found, return 0.
*/







|






|







484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
#define StringGet(S) ((S)->zText?(S)->zText:"")

/*
** Compute a hash on a string.  The number returned is a non-negative
** value between 0 and 2**31 - 1
*/
static int Hash(const char *z, int n){
  unsigned int h = 0;
  if( n<=0 ){
    n = strlen(z);
  }
  while( n-- ){
    h = h ^ (h<<5) ^ *z++;
  }
  return (int)(h & 0x7fffffff);
}

/*
** Given an identifier name, try to find a declaration for that
** identifier in the hash table.  If found, return a pointer to
** the Decl structure.  If not found, return 0.
*/