diff options
| -rw-r--r-- | py/lexerunix.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/py/lexerunix.c b/py/lexerunix.c index 46c66f41d9..1bb1a759dc 100644 --- a/py/lexerunix.c +++ b/py/lexerunix.c @@ -22,11 +22,12 @@ typedef struct _mp_lexer_file_buf_t { STATIC unichar file_buf_next_char(mp_lexer_file_buf_t *fb) { if (fb->pos >= fb->len) { - if (fb->len < sizeof(fb->buf)) { + if (fb->len == 0) { return MP_LEXER_CHAR_EOF; } else { int n = read(fb->fd, fb->buf, sizeof(fb->buf)); if (n <= 0) { + fb->len = 0; return MP_LEXER_CHAR_EOF; } fb->len = n; |