/*************************************************************************** * _ _ ____ _ * Project ___| | | | _ \| | * / __| | | | |_) | | * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. * * This software is licensed as described in the file COPYING, which * you should have received as part of this distribution. The terms * are also available at https://curl.se/docs/copyright.html. * * You may opt to use, copy, modify, merge, publish, distribute and/or sell * copies of the Software, and permit persons to whom the Software is * furnished to do so, under the terms of the COPYING file. * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY * KIND, either express or implied. * * SPDX-License-Identifier: curl * ***************************************************************************/ #include "curl_setup.h" #ifndef HAVE_STRTOK_R #include <stddef.h> #include "strtok.h" char * Curl_strtok_r(char *ptr, const char *sep, char **end) { if(!ptr) /* we got NULL input so then we get our last position instead */ ptr = *end; /* pass all letters that are including in the separator string */ while(*ptr && strchr(sep, *ptr)) ++ptr; if(*ptr) { /* so this is where the next piece of string starts */ char *start = ptr; /* set the end pointer to the first byte after the start */ *end = start + 1; /* scan through the string to find where it ends, it ends on a null byte or a character that exists in the separator string */ while(**end && !strchr(sep, **end)) ++*end; if(**end) { /* the end is not a null byte */ **end = '\0'; /* null-terminate it! */ ++*end; /* advance the last pointer to beyond the null byte */ } return start; /* return the position where the string starts */ } /* we ended up on a null byte, there are no more strings to find! */ return NULL; } #endif /* this was only compiled if strtok_r was not present */