2.11BSD#431 - /usr/ingres/source/access/tup_len.c

   1: # include   "../ingres.h"
   2: # include   "../access.h"
   3: 
   4: /*
   5: **	Tup_len finds the amount of space occupied by the
   6: **	tuple specified by "tid"
   7: */
   8: 
   9: tup_len(tid)
  10: struct tup_id   *tid;
  11: {
  12:     register int    *lp, nextoff, off;
  13:     int     lineoff, i;
  14: 
  15: 
  16:     /* point to line number table */
  17:     lp = &Acc_head->linetab[0];
  18: 
  19:     /* find offset for tid */
  20:     lineoff = lp[-(tid->line_id & I1MASK)];
  21: 
  22:     /* assume next line number follows lineoff */
  23:     nextoff = lp[-Acc_head->nxtlino];
  24: 
  25:     /* look for the line offset following lineoff */
  26:     for (i = 0; i < Acc_head->nxtlino; i++)
  27:     {
  28:         off = *lp--;
  29: 
  30:         if (off <= lineoff)
  31:             continue;
  32: 
  33:         if (off < nextoff)
  34:             nextoff = off;
  35:     }
  36: #	ifdef xATR3
  37:     if (tTf(89,1))
  38:         printf("tup_len ret %d\n", nextoff - lineoff);
  39: #	endif
  40:     return (nextoff - lineoff);
  41: }

Defined functions