/**************************************************************************** * libs/libc/string/lib_ncstr2bstr.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 #include #if !defined(CONFIG_ENDIAN_BIG) && CHAR_BIT != 8 /**************************************************************************** * Public Functions ****************************************************************************/ void ncstr2bstr(FAR char *dst, FAR const char *src, size_t maxlen) { while (1) { int i; for (i = 0; i < CHAR_BIT; i += 8) { char tmp; if (maxlen-- == 0) { return; } else if (i == 0) { *dst = 0; } tmp = *src++ & 0xff; if (tmp == 0) { return; } *dst |= tmp << i; } dst++; } } #endif