libuv-svace-build

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/* Copyright libuv project contributors. All rights reserved.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to
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 * deal in the Software without restriction, including without limitation the
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 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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 * sell copies of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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 * IN THE SOFTWARE.
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 */
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#include <stdlib.h>
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#include "strtok.h"
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char* uv__strtok(char* str, const char* sep, char** itr) {
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  const char* sep_itr;
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  char* tmp;
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  char* start;
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  if (str == NULL)
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    start = tmp = *itr;
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  else
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    start = tmp = str;
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  if (tmp == NULL)
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    return NULL;
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  while (*tmp != '\0') {
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    sep_itr = sep;
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    while (*sep_itr != '\0') {
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      if (*tmp == *sep_itr) {
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        *itr = tmp + 1;
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        *tmp = '\0';
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        return start;
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      }
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      sep_itr++;
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    }
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    tmp++;
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  }
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  *itr = NULL;
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  return start;
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}
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