mirror of https://github.com/google/pebble
41 lines
1.0 KiB
C
41 lines
1.0 KiB
C
/*
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* Copyright 2024 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "util/iterator.h"
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#include "util/assert.h"
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#include <stdbool.h>
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void iter_init(Iterator* iter, IteratorCallback next, IteratorCallback prev, IteratorState state) {
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*iter = (Iterator) {
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.next = next,
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.prev = prev,
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.state = state
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};
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}
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bool iter_next(Iterator* iter) {
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UTIL_ASSERT(iter->next);
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return iter->next(iter->state);
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}
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bool iter_prev(Iterator* iter) {
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UTIL_ASSERT(iter->prev);
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return iter->prev(iter->state);
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}
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