/**************************************************************************** * libs/libc/string/lib_strpbrk.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 /**************************************************************************** * Public Functions ****************************************************************************/ #undef strpbrk /* See mm/README.txt */ FAR char *strpbrk(FAR const char *str, FAR const char *charset) { /* Check each character in the string */ while (*str) { /* Check if the character from the string matches any character in the * charset */ if (strchr(charset, *str) != NULL) { /* Yes, then this position must be the first occurrence in string */ return (FAR char *)str; } /* This character from the strings matches none of those in the * charset. Try the next character from the string. */ str++; } /* We have looked at every character in the string, and none of them match * any of the characters in charset. */ return NULL; }