char *ft_itoa_base(long long n, int base)
{
long long int nb;
int i;
int over;
char *str;
over = 0;
nb = n;
i = count_number(nb, base) - 1;
if ((str = ft_strnew(count_number(nb, base))) == NULL)
return (NULL);
if (nb < 0)
{
str[0] = '-';
nb = nb * -1;
}
if (nb == 0)
str[i] = '0';
while (nb != 0)
{
over = nb % base > 9 ? 'a' - 10 : '0';
str[i] = nb % base + over;
i--;
nb = nb / base;
}
return (str);
}
static int count_number(int n)
{
if (n == 2147483647 || n == -2147483648)
return (10);
if (n < 10)
return (1);
else
return (1 + count_number(n / 10));
}
char *ft_itoa_ll_limit(long long int nb)
{
int i;
char *str;
long long int nb2;
i = count_number(nb, 10) - 1;
str = ft_strnew(count_number(nb, 10));
if (str == NULL)
return (NULL);
if (nb < 0)
str[0] = '-';
if (nb == 0)
str[i] = '0';
while (nb != 0)
{
nb2 = (nb % 10);
nb2 *= nb2 < 0 ? -1 : 1;
str[i] = nb2 + '0';
i--;
nb = nb / 10;
}
return (str);
}
char *ft_itoa(int n)
{
char *p;
int neg;
int nb_number;
int i;
neg = is_neg(n);
if (n == -2147483648)
return (get_max_int_neg());
if (neg)
n = n * -1;
nb_number = count_number(n);
i = nb_number + neg;
p = (char *) malloc(sizeof(char) * (nb_number + 1 + neg));
p[i] = '\0';
while (--i)
{
p[i] = n % 10 + 48;
n = n / 10;
}
p[i] = get_first_char(neg, n);
return (p);
}
lexeme read_token(buffer_reader *reader) {
lexeme lex;
rune c;
lex.lexeme_type = LEXEME_UNKNOWN;
do {
lex.location = buffer_reader_get_current_pointer(reader);
buffer_reader_skip(reader);
c = *lex.location;
// c = buffer_reader_read_rune(reader);
} while(is_whitespace(c));
if(is_special_symbol(c)) {
lex.lexeme_type = LEXEME_ATOM;
lex.size = 1;
} else if(is_alpha(c)) {
lex.lexeme_type = LEXEME_ATOM;
lex.size = count_atom(reader);
} else if(is_numeric(c)) {
lex.lexeme_type = LEXEME_NUMBER;
lex.size = count_number(reader);
} else {
switch(c) {
case '\'':
lex.lexeme_type = LEXEME_CHAR;
lex.location++;
lex.size = 1;
check_char(reader);
break;
case '"':
lex.lexeme_type = LEXEME_STRING;
lex.location++;
lex.size = count_string(reader);
break;
case '{':
lex.lexeme_type = LEXEME_LEFT_BRACKET;
lex.size = 1;
break;
case '}':
lex.lexeme_type = LEXEME_RIGHT_BRACKET;
lex.size = 1;
break;
case 0x2190: // left arrow
lex.lexeme_type = LEXEME_LEFT_ARROW;
lex.size = 1;
break;
case 0x235D: // up shoe jot
lex.lexeme_type = LEXEME_COMMENT;
lex.size = count_until(reader, '\n') + 1;
break;
default:
printf("Unhandled character in lexer: %4x\n", c);
lex.size = 1;
}
}
return lex;
}