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83 lines
2 KiB
C
83 lines
2 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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#pragma once
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// time
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static time_t s_time = 0;
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static uint16_t s_millis = 0;
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// TZ
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static int32_t s_gmt_off = 0;
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// DST
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static int32_t s_dst_off = 0;
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static time_t s_dst_start = 0;
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static time_t s_dst_stop = 0;
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uint16_t time_ms(time_t *tloc, uint16_t *out_ms) {
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if (tloc) {
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*tloc = s_time;
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}
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if (out_ms) {
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*out_ms = s_millis;
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}
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return 0;
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}
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int32_t time_get_gmtoffset(void) {
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return s_gmt_off;
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}
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int32_t time_get_dstoffset(void) {
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return s_dst_off;
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}
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bool time_get_isdst(time_t utc_time) {
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if ((s_dst_start == 0) || (s_dst_stop == 0)) {
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return false;
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}
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return ((s_dst_start <= utc_time) && (utc_time < s_dst_stop));
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}
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time_t time_utc_to_local(time_t utc_time) {
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int32_t dst_offset = (utc_time > s_dst_start && utc_time < s_dst_stop) ? s_dst_off : 0;
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return utc_time + s_gmt_off + dst_offset;
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}
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time_t time_local_to_utc(time_t local_time) {
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int32_t dst_offset = ((local_time + s_dst_off) > s_dst_start &&
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(local_time + s_dst_off) < s_dst_stop
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) ? s_dst_off : 0;
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return (local_time - s_gmt_off) - dst_offset;
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}
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void fake_time_init(time_t initial_time, uint16_t initial_ms) {
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s_time = initial_time;
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s_millis = initial_ms;
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}
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void fake_time_set_dst(int32_t offset, int32_t start, int32_t stop) {
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s_dst_off = offset;
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s_dst_start = start;
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s_dst_stop = stop;
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}
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void fake_time_set_gmtoff(int32_t gmtoff) {
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s_gmt_off = gmtoff;
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}
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