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POSIX requires tzset(), but NuttX declared and defined it only with CONFIG_LIBC_LOCALTIME, so programs that call it do not build without that option. Without CONFIG_LIBC_LOCALTIME there are no time zones and local time is UTC, so tzset() has nothing to do. Declare tzset() always, and add an empty one for builds without CONFIG_LIBC_LOCALTIME. Assisted-by: Claude Code:claude-opus-5-5 Signed-off-by: Marco Casaroli <marco.casaroli@gmail.com>
46 lines
1.8 KiB
C
46 lines
1.8 KiB
C
/****************************************************************************
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* libs/libc/time/lib_tzset.c
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. 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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <time.h>
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: tzset
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*
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* Description:
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* Set up the time zone from the TZ environment variable. Without
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* CONFIG_LIBC_LOCALTIME there are no time zones (local time is UTC), so
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* there is nothing to set up. The function exists because POSIX
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* requires it and portable programs call it.
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*
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****************************************************************************/
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void tzset(void)
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{
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}
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