40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
/* Copyright (C) 2024 Peter McGoron
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program. If not, see
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* <https://www.gnu.org/licenses/>.
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*/
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#include "uns.h"
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void uns_root_add(struct uns_gc *gc, struct uns_ctr *root)
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{
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root->prev = NULL;
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root->next = gc->roots;
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gc->roots = root;
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}
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void uns_root_remove(struct uns_gc *gc, struct uns_ctr *root)
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{
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if (root->prev) {
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root->prev->next = root->next;
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}
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if (root->next) {
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root->next->prev = root->prev;
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}
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if (gc->roots == root)
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gc->roots = root->next;
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root->prev = root->next = NULL;
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}
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