diff options
Diffstat (limited to 'ext/kgio/read_write.c')
| -rw-r--r-- | ext/kgio/read_write.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/ext/kgio/read_write.c b/ext/kgio/read_write.c index 330c2f4..7df7070 100644 --- a/ext/kgio/read_write.c +++ b/ext/kgio/read_write.c @@ -68,6 +68,7 @@ static void prepare_read(struct io_args *a, int argc, VALUE *argv, VALUE io) a->buf = rb_str_new(NULL, a->len); } else { StringValue(a->buf); + rb_str_modify(a->buf); rb_str_resize(a->buf, a->len); } a->ptr = RSTRING_PTR(a->buf); @@ -86,6 +87,7 @@ static int read_check(struct io_args *a, long n, const char *msg, int io_wait) (void)kgio_call_wait_readable(a->io); /* buf may be modified in other thread/fiber */ + rb_str_modify(a->buf); rb_str_resize(a->buf, a->len); a->ptr = RSTRING_PTR(a->buf); return -1; |