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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/access/nbtree/nbtree.c
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@ -12,7 +12,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/access/nbtree/nbtree.c,v 1.108 2003/11/29 19:51:40 pgsql Exp $
* $PostgreSQL: pgsql/src/backend/access/nbtree/nbtree.c,v 1.109 2004/01/07 18:56:24 neilc Exp $
*
*-------------------------------------------------------------------------
*/
@ -396,7 +396,7 @@ btrescan(PG_FUNCTION_ARGS)
if (scan->numberOfKeys > 0)
so->keyData = (ScanKey) palloc(scan->numberOfKeys * sizeof(ScanKeyData));
else
so->keyData = (ScanKey) NULL;
so->keyData = NULL;
scan->opaque = so;
}
@ -459,7 +459,7 @@ btendscan(PG_FUNCTION_ARGS)
ItemPointerSetInvalid(iptr);
}
if (so->keyData != (ScanKey) NULL)
if (so->keyData != NULL)
pfree(so->keyData);
pfree(so);