diff options
Diffstat (limited to 'lib/libc/db/btree/bt_page.c')
| -rw-r--r-- | lib/libc/db/btree/bt_page.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/lib/libc/db/btree/bt_page.c b/lib/libc/db/btree/bt_page.c index f71a40d..0d9d138 100644 --- a/lib/libc/db/btree/bt_page.c +++ b/lib/libc/db/btree/bt_page.c @@ -1,5 +1,5 @@ /*- - * Copyright (c) 1990, 1993 + * Copyright (c) 1990, 1993, 1994 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -32,7 +32,7 @@ */ #if defined(LIBC_SCCS) && !defined(lint) -static char sccsid[] = "@(#)bt_page.c 8.2 (Berkeley) 2/21/94"; +static char sccsid[] = "@(#)bt_page.c 8.3 (Berkeley) 7/14/94"; #endif /* LIBC_SCCS and not lint */ #include <sys/types.h> @@ -43,7 +43,8 @@ static char sccsid[] = "@(#)bt_page.c 8.2 (Berkeley) 2/21/94"; #include "btree.h" /* - * __BT_FREE -- Put a page on the freelist. + * __bt_free -- + * Put a page on the freelist. * * Parameters: * t: tree @@ -51,13 +52,16 @@ static char sccsid[] = "@(#)bt_page.c 8.2 (Berkeley) 2/21/94"; * * Returns: * RET_ERROR, RET_SUCCESS + * + * Side-effect: + * mpool_put's the page. */ int __bt_free(t, h) BTREE *t; PAGE *h; { - /* Insert the page at the start of the free list. */ + /* Insert the page at the head of the free list. */ h->prevpg = P_INVALID; h->nextpg = t->bt_free; t->bt_free = h->pgno; @@ -67,7 +71,8 @@ __bt_free(t, h) } /* - * __BT_NEW -- Get a new page, preferably from the freelist. + * __bt_new -- + * Get a new page, preferably from the freelist. * * Parameters: * t: tree @@ -85,9 +90,9 @@ __bt_new(t, npg) if (t->bt_free != P_INVALID && (h = mpool_get(t->bt_mp, t->bt_free, 0)) != NULL) { - *npg = t->bt_free; - t->bt_free = h->nextpg; - return (h); + *npg = t->bt_free; + t->bt_free = h->nextpg; + return (h); } return (mpool_new(t->bt_mp, npg)); } |
