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authorDamien George <damien.p.george@gmail.com>2014-04-28 11:43:28 +0100
committerDamien George <damien.p.george@gmail.com>2014-04-28 11:43:28 +0100
commit185f9c1c4652cfe44b8c4df12f524933dbe04dc5 (patch)
tree90010c2d125de166cbbe720953f0277cd2cf8b6d /py/lexerunix.c
parent0c8fcb9c498966bc330150a50ed31bf6874d79d2 (diff)
downloadmicropython-185f9c1c4652cfe44b8c4df12f524933dbe04dc5.tar.gz
micropython-185f9c1c4652cfe44b8c4df12f524933dbe04dc5.zip
py: Fix lexerunix, where not all data may be read from a file.
Addresses issue #526.
Diffstat (limited to 'py/lexerunix.c')
-rw-r--r--py/lexerunix.c3
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;