int check_printf_argument(const char *label, const char*& tail, arg_type_e& arg_type)
{
const char* p = match_plain_chars(label);
if (!p) return 0;
if (*p)
{
const char c = *p;
if (c == '0' || c == '-' || c == '+' || c == ' ' || c == '#' || c == '\'')
{
p ++;
if (*p == 0) goto error_exit;
}
}
else
goto error_exit;
p = match_integer(p);
if (*p == 0) goto error_exit;
if (*p == '.')
{
p++;
if (*p == 0) goto error_exit;
p = match_integer(p);
if (*p == 0) goto error_exit;
}
if (*p == 'l') {
p++;
if (*p == 0) goto error_exit;
}
if (*p)
{
const char s = *p;
if (s == 'd' || s == 'i' || s == 'd' || s == 'u' || s == 'x' || s == 'X' || s == 'o') {
tail = p + 1;
arg_type = argument_int;
return 1;
} else if (s == 'f' || s == 'g' || s == 'e' || s == 'E' || s == 'G') {
tail = p + 1;
arg_type = argument_double;
return 1;
}
}
error_exit:
return (-1);
}
static int
next_token (void)
{
int result;
lastpos = p;
switch (*p)
{
case '\0':
result = END;
break;
case ':':
case ',':
case '-':
case ';':
result = *p;
p++;
break;
case 'b':
case 'B':
result = match_word ("big_endian", BIG);
break;
case 'l':
case 'L':
result = match_word ("little_endian", LITTLE);
break;
case 'n':
case 'N':
result = match_word ("native", NATIVE);
break;
case 's':
case 'S':
result = match_word ("swap", SWAP);
break;
case '1': case '2': case '3': case '4': case '5':
case '6': case '7': case '8': case '9':
result = match_integer ();
break;
default:
result = ILLEGAL;
break;
}
return result;
}
