src/AdafruitIO_Data.cpp
static int count_fields(const char *line) {
  const char *ptr;
  int cnt, fQuote;

  for (cnt = 1, fQuote = 0, ptr = line; *ptr; ptr++) {
    if (fQuote) {
      if (*ptr == '\"') {
        if (ptr[1] == '\"') {
          ptr++;
          continue;
        }
        fQuote = 0;
      }
      continue;
    }

    switch (*ptr) {
    case '\"':
      fQuote = 1;
      continue;
    case ',':
      cnt++;
      continue;
    default:
      continue;
    }
  }

  if (fQuote) {
    return -1;
  }

  return cnt;
}
/*
 * From the csv_parser project by semitrivial
 * https://github.com/semitrivial/csv_parser/blob/93246cac509f85da12c6bb8c641fa75cd863c34f/csv.c
 * - retrieved 2017-11-09
 *
 * MIT License
 *
 * Copyright 2016 Samuel Alexander
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 *
 */


MIT License



Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to
deal in the Software without restriction, including without limitation the
rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
sell copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions.

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.


MIT License Permission is hereby granted free of charge to any person obtaining a copy of this software and associated documentation files ( the " Software " ) to deal in the Software without restriction including without limitation the rights to use copy modify merge publish distribute sublicense and / or sell copies of the Software and to permit persons to whom the Software is furnished to do so subject to the following conditions . The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software .
static int count_fields(const char *line) {
  const char *ptr;
  int cnt, fQuote;
  for (cnt = 1, fQuote = 0, ptr = line; *ptr; ptr++) {
    if (fQuote) {
      if (*ptr == '\"') {
        if (ptr[1] == '\"') {
          ptr++;
          continue;
        }
        fQuote = 0;
      }
      continue;
    }
    switch (*ptr) {
    case '\"':
      fQuote = 1;
      continue;
    case ',':
      cnt++;
      continue;
    default:
      continue;
    }
  }
  if (fQuote) {
    return -1;
  }
  return cnt;
}
static int count_fields ( const char * line ) { const char * ptr ; int cnt , fQuote ; for ( cnt = 1 , fQuote = 0 , ptr = line ; * ptr ; ptr ++ ) { if ( fQuote ) { if ( * ptr == ' \" ' ) { if ( ptr [ 1 ] == ' \" ' ) { ptr ++ ; continue ; } fQuote = 0 ; } continue ; } switch ( * ptr ) { case ' \" ' : fQuote = 1 ; continue ; case ' ' : cnt ++ ; continue ; default : continue ; } } if ( fQuote ) { return -1 ; } return cnt ; }
From the csv_parser project by semitrivial
 https://github.com/semitrivial/csv_parser/blob/93246cac509f85da12c6bb8c641fa75cd863c34f/csv.c
 - retrieved 2017-11-09
From the csv_parser project by semitrivial https : // github . com / semitrivial / csv_parser / blob / 93246cac509f85da12c6bb8c641fa75cd863c34f / csv . c - retrieved 2017 - 11 - 09