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Coverity CID 2528: Don't delete the node we are about to return.

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This commit is contained in:
christos 2006-03-19 01:12:08 +00:00
parent e92d4ac1fa
commit 7ac9949871
1 changed files with 4 additions and 3 deletions
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7
lib/libc/stdlib/tdelete.c
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@ -1,4 +1,4 @@
/* $NetBSD: tdelete.c,v 1.3 1999/09/20 04:39:43 lukem Exp $ */
/* $NetBSD: tdelete.c,v 1.4 2006/03/19 01:12:08 christos Exp $ */
/*
* Tree search generalized from Knuth (6.2.2) Algorithm T just like
@ -13,7 +13,7 @@
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: tdelete.c,v 1.3 1999/09/20 04:39:43 lukem Exp $");
__RCSID("$NetBSD: tdelete.c,v 1.4 2006/03/19 01:12:08 christos Exp $");
#endif /* LIBC_SCCS and not lint */
#include <assert.h>
@ -62,7 +62,8 @@ tdelete(vkey, vrootp, compar)
q->rlink = (*rootp)->rlink;
}
}
free(*rootp); /* D4: Free node */
if (p != *rootp)
free(*rootp); /* D4: Free node */
*rootp = q; /* link parent to new node */
return p;
}