Function cfgetc

cfile/cfile.cpp:566–602

Just like stdio fgetc(), except works on a CFILE Returns a char or EOF

// Just like stdio fgetc(), except works on a CFILE
// Returns a char or EOF
int cfgetc(CFILE *cfp) {
  int c;
  static uint8_t ch[3] = "\0\0";
  if (cfp->position >= cfp->size)
    return EOF;

  fread(ch, sizeof(char), 1, cfp->file);
  c = ch[0];
  // c = getc( cfp->file );
  if (cfeof(cfp))
    c = EOF;
  if (c != EOF) {
    cfp->position++;
    // do special newline handling for text files:
    //  if CR or LF by itself, return as newline
    //  if CR/LF pair, return as newline
    if (cfp->flags & CFF_TEXT) {
      if (c == 10) // return LF as newline
        c = '\n';
      else if (c == 13) { // check for CR/LF pair
        fread(ch, sizeof(char), 1, cfp->file);
        int cc = ch[0]; // getc(cfp->file);
        // if (cc != EOF) {
        if (!cfeof(cfp)) {
          if (cc == 10)      // line feed?
            cfp->position++; //..yes, so swallow it
          else {
            // ungetc(cc,cfp->file);	//..no, so put it back
            fseek(cfp->file, -1, SEEK_CUR);
          }
        }
        c = '\n'; // return CR or CR/LF pair as newline
      }
    }
  }
  return c;
}
// Just like stdio fseek(), except works on a CFILE
int cfseek(CFILE *cfp, long offset, int where) {
  int c;