nuttx/libs/libc/string/lib_ancstr2bstr.c
Xiang Xiao ae356001cf Change all files come from Xiaomi/Pinecone to Apache License 2.0
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2020-08-22 17:37:21 -06:00

55 lines
1.7 KiB
C

/****************************************************************************
* libc/stdlib/lib_ancstr2bstr.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdlib.h>
#include <string.h>
#include "libc.h"
#if CHAR_BIT != 8
/****************************************************************************
* Public Functions
****************************************************************************/
FAR char *ancstr2bstr(FAR const char *src, size_t maxlen)
{
FAR char *dst;
size_t len;
len = strnlen(src, maxlen);
dst = lib_malloc(B2C(len + 1));
if (dst)
{
dst[B2C(len + 1) - 1] = 0;
cmem2bmem(dst, 0, src, len);
}
return dst;
}
#endif