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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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6
src/backend/port/sysv_shmem.c
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@ -10,7 +10,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/port/sysv_shmem.c,v 1.27 2003/12/01 22:15:37 tgl Exp $
* $PostgreSQL: pgsql/src/backend/port/sysv_shmem.c,v 1.28 2004/01/07 18:56:27 neilc Exp $
*
*-------------------------------------------------------------------------
*/
@ -174,7 +174,7 @@ IpcMemoryDetach(int status, Datum shmaddr)
static void
IpcMemoryDelete(int status, Datum shmId)
{
if (shmctl(DatumGetInt32(shmId), IPC_RMID, (struct shmid_ds *) NULL) < 0)
if (shmctl(DatumGetInt32(shmId), IPC_RMID, NULL) < 0)
elog(LOG, "shmctl(%d, %d, 0) failed: %m",
DatumGetInt32(shmId), IPC_RMID);
}
@ -299,7 +299,7 @@ PGSharedMemoryCreate(uint32 size, bool makePrivate, int port)
* quietly.
*/
shmdt(memAddress);
if (shmctl(shmid, IPC_RMID, (struct shmid_ds *) NULL) < 0)
if (shmctl(shmid, IPC_RMID, NULL) < 0)
continue;
/*