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More janitorial work: remove the explicit casting of NULL literals to a

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pointer type when it is not necessary to do so.

For future reference, casting NULL to a pointer type is only necessary
when (a) invoking a function AND either (b) the function has no prototype
OR (c) the function is a varargs function.
This commit is contained in:
Neil Conway
2004-01-07 18:56:30 +00:00
parent afca5d50dc
commit 192ad63bd7
71 changed files with 424 additions and 436 deletions
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12
src/backend/executor/execTuples.c
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@ -15,7 +15,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/executor/execTuples.c,v 1.74 2003/12/01 23:09:02 momjian Exp $
* $PostgreSQL: pgsql/src/backend/executor/execTuples.c,v 1.75 2004/01/07 18:56:26 neilc Exp $
*
*-------------------------------------------------------------------------
*/
@ -271,11 +271,11 @@ ExecAllocTableSlot(TupleTable table)
/* Make sure the allocated slot is valid (and empty) */
slot->type = T_TupleTableSlot;
slot->val = (HeapTuple) NULL;
slot->val = NULL;
slot->ttc_shouldFree = true;
slot->ttc_descIsNew = true;
slot->ttc_shouldFreeDesc = true;
slot->ttc_tupleDescriptor = (TupleDesc) NULL;
slot->ttc_tupleDescriptor = NULL;
slot->ttc_buffer = InvalidBuffer;
return slot;
@ -296,11 +296,11 @@ MakeTupleTableSlot(void)
TupleTableSlot *slot = makeNode(TupleTableSlot);
/* This should match ExecAllocTableSlot() */
slot->val = (HeapTuple) NULL;
slot->val = NULL;
slot->ttc_shouldFree = true;
slot->ttc_descIsNew = true;
slot->ttc_shouldFreeDesc = true;
slot->ttc_tupleDescriptor = (TupleDesc) NULL;
slot->ttc_tupleDescriptor = NULL;
slot->ttc_buffer = InvalidBuffer;
return slot;
@ -406,7 +406,7 @@ ExecClearTuple(TupleTableSlot *slot) /* slot in which to store tuple */
if (slot->ttc_shouldFree && oldtuple != NULL)
heap_freetuple(oldtuple);
slot->val = (HeapTuple) NULL;
slot->val = NULL;
slot->ttc_shouldFree = true; /* probably useless code... */