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2eeaed14a5e2ed9bd811643ad5bffc3510ca0310robj * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
2eeaed14a5e2ed9bd811643ad5bffc3510ca0310robj * Use is subject to license terms.
2eeaed14a5e2ed9bd811643ad5bffc3510ca0310robj#pragma ident "%Z%%M% %I% %E% SMI"
2eeaed14a5e2ed9bd811643ad5bffc3510ca0310robj * Embedded Linked Lists
2eeaed14a5e2ed9bd811643ad5bffc3510ca0310robj * Simple doubly-linked list implementation. This implementation assumes that
2eeaed14a5e2ed9bd811643ad5bffc3510ca0310robj * each list element contains an embedded ipmi_list_t (previous and next
2eeaed14a5e2ed9bd811643ad5bffc3510ca0310robj * pointers), which is typically the first member of the element struct.
2eeaed14a5e2ed9bd811643ad5bffc3510ca0310robj * An additional ipmi_list_t is used to store the head (l_next) and tail
2eeaed14a5e2ed9bd811643ad5bffc3510ca0310robj * (l_prev) pointers. The current head and tail list elements have their
2eeaed14a5e2ed9bd811643ad5bffc3510ca0310robj * previous and next pointers set to NULL, respectively.
2eeaed14a5e2ed9bd811643ad5bffc3510ca0310robj ipmi_list_t *p = lp->l_prev; /* p = tail list element */
2eeaed14a5e2ed9bd811643ad5bffc3510ca0310robj if (p != NULL) {
2eeaed14a5e2ed9bd811643ad5bffc3510ca0310robj ipmi_list_t *q = lp->l_next; /* q = head list element */
2eeaed14a5e2ed9bd811643ad5bffc3510ca0310robj if (q != NULL) {
2eeaed14a5e2ed9bd811643ad5bffc3510ca0310robjipmi_list_insert_before(ipmi_list_t *lp, void *before_me, void *new)