static line readline()

in utils/unlit/unlit.c [174:237]

• 57 lines of code
• 20 McCabe index (conditional complexity)

static line readline(FILE *istream, FILE *ostream) {
    int c, c1;
    char buf[100];
    int i;

    c = egetc(istream);

    if (c==EOF)
        return ENDFILE;

    if ( c == '#' ) {
      if ( ignore_shebang ) {
         c1 = egetc(istream);
         if ( c1 == '!' ) {
           while (c=egetc(istream), !isLineTerm(c)) ;
           return SHEBANG;
	 }
	 myputc(c, ostream);
	 c=c1;
      }
      if ( leavecpp ) {
	myputc(c, ostream);
        while (c=egetc(istream), !isLineTerm(c))
            myputc(c,ostream);
        myputc('\n',ostream);
        return HASH;
      }
    }

    if (c==DEFNCHAR) {
	myputc(' ',ostream);
        while (c=egetc(istream), !isLineTerm(c))
            myputc(c,ostream);
        myputc('\n',ostream);
        return DEFN;
    }

    if (!crunchnl)
	myputc('\n',ostream);

    while (isWhitespace(c))
        c=egetc(istream);
    if (isLineTerm(c))
        return BLANK;

    i = 0;
    buf[i++] = c;
    while (c=egetc(istream), !isLineTerm(c))
        if (i < sizeof buf - 1)
	    buf[i++] = c;
    while(i > 0 && isspace(buf[i-1]))
	i--;
    buf[i] = 0;
    if (strcmp(buf, BEGINCODE) == 0)
	return BEGIN;
    if (strcmp(buf, ENDCODE) == 0)
	return END;
#if defined(PSEUDOCODE)
    else if (strcmp(buf, BEGINPSEUDOCODE) == 0)
	return PSEUDO;
#endif
    else
	return TEXT;
}