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raiden00pl
13ab107d67
remove reference to non-existent readme in libc. Pointing to the documentation page doesn't make sense in this case, because it doesn't explain the use of `#undef XXX` for this case anyway. Signed-off-by: raiden00pl <raiden00@railab.me>
54 lines
1.8 KiB
C
54 lines
1.8 KiB
C
/****************************************************************************
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* libs/libc/string/lib_strncat.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 <nuttx/config.h>
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#include <sys/types.h>
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#include <string.h>
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#include "libc.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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#if !defined(CONFIG_LIBC_ARCH_STRNCAT) && defined(LIBC_BUILD_STRNCAT)
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#undef strncat
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FAR char *strncat(FAR char *dest, FAR const char *src, size_t n)
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{
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FAR char *ret = dest;
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dest += strlen(dest);
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for (; n > 0 && *src != '\0' ; n--)
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{
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*dest++ = *src++;
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}
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*dest = '\0';
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return ret;
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}
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#endif
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