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Validate hex digits in string with the \x; syntax

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This commit is contained in:
Justin Ethier 2017-11-06 14:12:21 +00:00
parent d431b2af1c
commit 9962bca854
1 changed files with 6 additions and 6 deletions
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12
runtime.c
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@ -6025,10 +6025,12 @@ void _read_string(void *data, object cont, port_type *p)
p->buf_idx++;
break;
}
// TODO: verify if hex digit is valid
//if (!isdigit(p->buf_idx) && !_read_is_hex_digit(p->buf_idx)) {
// _read_error(data, p, "invalid hex digit in string");
//}
// Verify if hex digit is valid
if (!isdigit(p->mem_buf[p->buf_idx]) &&
!_read_is_hex_digit(p->mem_buf[p->buf_idx])) {
p->buf_idx++;
_read_error(data, p, "invalid hex digit in string");
}
buf[i] = p->mem_buf[p->buf_idx];
p->buf_idx++;
p->col_num++;
@ -6040,8 +6042,6 @@ void _read_string(void *data, object cont, port_type *p)
char cbuf[5];
int i;
Cyc_utf8_encode_char(cbuf, 5, result);
// TODO: infinite loop here or above if ; is not provided???
// only because it is still waiting for the ; after it reads the closing quote
for (i = 0; cbuf[i] != 0; i++) {
_read_add_to_tok_buf(p, cbuf[i]);
}