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- head 1.3;
- branch ;
- access ;
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- locks ; strict;
- comment @ * @;
-
-
- 1.3
- date 90.11.27.11.06.32; author ouster; state Exp;
- branches ;
- next 1.2;
-
- 1.2
- date 90.09.11.14.25.08; author kupfer; state Exp;
- branches ;
- next 1.1;
-
- 1.1
- date 88.06.20.09.27.28; author ouster; state Exp;
- branches ;
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-
-
- desc
- @@
-
-
- 1.3
- log
- @Eliminated inclusion of <sys.h> (didn't work for user programs
- anyway), add explicit declaration for panic.
- @
- text
- @/*
- * List_Move.c --
- *
- * Source code for the List_Move library procedure.
- *
- * Copyright 1988 Regents of the University of California
- * Permission to use, copy, modify, and distribute this
- * software and its documentation for any purpose and without
- * fee is hereby granted, provided that the above copyright
- * notice appear in all copies. The University of California
- * makes no representations about the suitability of this
- * software for any purpose. It is provided "as is" without
- * express or implied warranty.
- */
-
- #ifndef lint
- static char rcsid[] = "$Header: /sprite/src/lib/c/list/RCS/List_Move.c,v 1.2 90/09/11 14:25:08 kupfer Exp Locker: ouster $ SPRITE (Berkeley)";
- #endif not lint
-
- #include <stdio.h>
- #include "list.h"
-
- extern void panic();
-
- /*
- * ----------------------------------------------------------------------------
- *
- * List_Move --
- *
- * Move the list element referenced by itemPtr to follow destPtr.
- *
- * Results:
- * None.
- *
- * Side effects:
- * List ordering is modified.
- *
- * ----------------------------------------------------------------------------
- */
- void
- List_Move(itemPtr, destPtr)
- register List_Links *itemPtr; /* list element to be moved */
- register List_Links *destPtr; /* element after which it is to be placed */
- {
- if (itemPtr == (List_Links *) NIL || destPtr == (List_Links *) NIL
- || !itemPtr || !destPtr) {
- panic("List_Move: One of the list items is NIL.\n");
- }
- /*
- * It is conceivable that someone will try to move a list element to
- * be after itself.
- */
- if (itemPtr != destPtr) {
- /*
- * Remove the item.
- */
- itemPtr->prevPtr->nextPtr = itemPtr->nextPtr;
- itemPtr->nextPtr->prevPtr = itemPtr->prevPtr;
- /*
- * Insert the item at its new place.
- */
- itemPtr->nextPtr = destPtr->nextPtr;
- itemPtr->prevPtr = destPtr;
- destPtr->nextPtr->prevPtr = itemPtr;
- destPtr->nextPtr = itemPtr;
- }
- }
- @
-
-
- 1.2
- log
- @Lint.
- @
- text
- @d17 1
- a17 1
- static char rcsid[] = "$Header: /sprite/src/lib/c/list/RCS/List_Move.c,v 1.1 88/06/20 09:27:28 ouster Exp Locker: kupfer $ SPRITE (Berkeley)";
- a20 1
- #include <sys.h>
- d23 1
- @
-
-
- 1.1
- log
- @Initial revision
- @
- text
- @d17 1
- a17 1
- static char rcsid[] = "$Header: proto.c,v 1.2 88/03/11 08:39:08 ouster Exp $ SPRITE (Berkeley)";
- d21 1
- @
-