84 lines
2.5 KiB
C
84 lines
2.5 KiB
C
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/****************************************************************************
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* libs/libc/unistd/lib_getoptvars.c
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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 <nuttx/config.h>
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#include <unistd.h>
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#include <assert.h>
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#include <nuttx/tls.h>
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#include <nuttx/lib/libvars.h>
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#include <arch/tls.h>
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#include "unistd.h"
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#include "libc.h"
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/****************************************************************************
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* Private Data
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****************************************************************************/
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#ifdef CONFIG_BUILD_KERNEL
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/* Data is naturally process-specific in the KERNEL build so no special
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* access to process-specific global data is needed.
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*/
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FAR struct getopt_s g_getopt_vars =
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{
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NULL,
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0,
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1,
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'?',
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NULL,
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false
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};
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: getoptvars
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*
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* Description:
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* Returns a pointer to to the thread-specific getopt() data.
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*
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****************************************************************************/
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FAR struct getopt_s *getoptvars(void)
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{
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#ifndef CONFIG_BUILD_KERNEL
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FAR struct tls_info_s *tlsinfo;
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/* Get the structure of getopt() variables using the key. */
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tlsinfo = up_tls_info();
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DEBUGASSERT(tlsinfo != NULL && tlsinfo->tl_libvars != NULL);
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return &tlsinfo->tl_libvars->lv_getopt;
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#else
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return &g_getopt_vars;
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#endif
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}
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