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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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4
src/backend/access/hash/hash.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/access/hash/hash.c,v 1.69 2003/11/29 19:51:40 pgsql Exp $
* $PostgreSQL: pgsql/src/backend/access/hash/hash.c,v 1.70 2004/01/07 18:56:23 neilc Exp $
*
* NOTES
* This file contains only the public interface routines.
@@ -180,7 +180,7 @@ hashinsert(PG_FUNCTION_ARGS)
if (IndexTupleHasNulls(itup))
{
pfree(itup);
PG_RETURN_POINTER((InsertIndexResult) NULL);
PG_RETURN_POINTER(NULL);
}
hitem = _hash_formitem(itup);

12
src/backend/access/hash/hashscan.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/access/hash/hashscan.c,v 1.32 2003/11/29 19:51:40 pgsql Exp $
* $PostgreSQL: pgsql/src/backend/access/hash/hashscan.c,v 1.33 2004/01/07 18:56:23 neilc Exp $
*
*-------------------------------------------------------------------------
*/
@@ -26,7 +26,7 @@ typedef struct HashScanListData
typedef HashScanListData *HashScanList;
static HashScanList HashScans = (HashScanList) NULL;
static HashScanList HashScans = NULL;
/*
@@ -73,16 +73,16 @@ _hash_dropscan(IndexScanDesc scan)
HashScanList chk,
last;
last = (HashScanList) NULL;
last = NULL;
for (chk = HashScans;
chk != (HashScanList) NULL && chk->hashsl_scan != scan;
chk != NULL && chk->hashsl_scan != scan;
chk = chk->hashsl_next)
last = chk;
if (chk == (HashScanList) NULL)
if (chk == NULL)
elog(ERROR, "hash scan list trashed; can't find 0x%p", (void *) scan);
if (last == (HashScanList) NULL)
if (last == NULL)
HashScans = chk->hashsl_next;
else
last->hashsl_next = chk->hashsl_next;