Remove long unused code behind a #if 0

Author: Vignesh C <vignesh21@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/CALDaNm3sn4yOq-4rogb-CfE0EYw6b3mVzz8+DnS9BNRwPnhngw@mail.gmail.com

diff --git a/src/interfaces/ecpg/pgtypeslib/numeric.c b/src/interfaces/ecpg/pgtypeslib/numeric.c
index b6ca2d3252fdd1a85f2e508b6fa7b525a7e4311d..060fad7867d43a9074d3272f9d9530dd179dc473 100644 (file)
--- a/src/interfaces/ecpg/pgtypeslib/numeric.c
+++ b/src/interfaces/ecpg/pgtypeslib/numeric.c
@@ -23,88 +23,6 @@
                  } while (0)
 
 
-#if 0
-/* ----------
- * apply_typmod() -
- *
- *     Do bounds checking and rounding according to the attributes
- *     typmod field.
- * ----------
- */
-static int
-apply_typmod(numeric *var, long typmod)
-{
-       int                     precision;
-       int                     scale;
-       int                     maxweight;
-       int                     i;
-
-       /* Do nothing if we have a default typmod (-1) */
-       if (typmod < (long) (VARHDRSZ))
-               return 0;
-
-       typmod -= VARHDRSZ;
-       precision = (typmod >> 16) & 0xffff;
-       scale = typmod & 0xffff;
-       maxweight = precision - scale;
-
-       /* Round to target scale */
-       i = scale + var->weight + 1;
-       if (i >= 0 && var->ndigits > i)
-       {
-               int                     carry = (var->digits[i] > 4) ? 1 : 0;
-
-               var->ndigits = i;
-
-               while (carry)
-               {
-                       carry += var->digits[--i];
-                       var->digits[i] = carry % 10;
-                       carry /= 10;
-               }
-
-               if (i < 0)
-               {
-                       var->digits--;
-                       var->ndigits++;
-                       var->weight++;
-               }
-       }
-       else
-               var->ndigits = Max(0, Min(i, var->ndigits));
-
-       /*
-        * Check for overflow - note we can't do this before rounding, because
-        * rounding could raise the weight.  Also note that the var's weight could
-        * be inflated by leading zeroes, which will be stripped before storage
-        * but perhaps might not have been yet. In any case, we must recognize a
-        * true zero, whose weight doesn't mean anything.
-        */
-       if (var->weight >= maxweight)
-       {
-               /* Determine true weight; and check for all-zero result */
-               int                     tweight = var->weight;
-
-               for (i = 0; i < var->ndigits; i++)
-               {
-                       if (var->digits[i])
-                               break;
-                       tweight--;
-               }
-
-               if (tweight >= maxweight && i < var->ndigits)
-               {
-                       errno = PGTYPES_NUM_OVERFLOW;
-                       return -1;
-               }
-       }
-
-       var->rscale = scale;
-       var->dscale = scale;
-       return 0;
-}
-#endif
-
 /* ----------
  *     alloc_var() -
  *