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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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8
src/backend/commands/async.c
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/async.c,v 1.106 2003/12/12 18:45:08 petere Exp $
* $PostgreSQL: pgsql/src/backend/commands/async.c,v 1.107 2004/01/07 18:56:25 neilc Exp $
*
*-------------------------------------------------------------------------
*/
@ -199,7 +199,7 @@ Async_Listen(char *relname, int pid)
lRel = heap_openr(ListenerRelationName, AccessExclusiveLock);
/* Detect whether we are already listening on this relname */
scan = heap_beginscan(lRel, SnapshotNow, 0, (ScanKey) NULL);
scan = heap_beginscan(lRel, SnapshotNow, 0, NULL);
while ((tuple = heap_getnext(scan, ForwardScanDirection)) != NULL)
{
Form_pg_listener listener = (Form_pg_listener) GETSTRUCT(tuple);
@ -292,7 +292,7 @@ Async_Unlisten(char *relname, int pid)
lRel = heap_openr(ListenerRelationName, AccessExclusiveLock);
scan = heap_beginscan(lRel, SnapshotNow, 0, (ScanKey) NULL);
scan = heap_beginscan(lRel, SnapshotNow, 0, NULL);
while ((tuple = heap_getnext(scan, ForwardScanDirection)) != NULL)
{
Form_pg_listener listener = (Form_pg_listener) GETSTRUCT(tuple);
@ -459,7 +459,7 @@ AtCommit_Notify(void)
lRel = heap_openr(ListenerRelationName, AccessExclusiveLock);
tdesc = RelationGetDescr(lRel);
scan = heap_beginscan(lRel, SnapshotNow, 0, (ScanKey) NULL);
scan = heap_beginscan(lRel, SnapshotNow, 0, NULL);
while ((lTuple = heap_getnext(scan, ForwardScanDirection)) != NULL)
{