Lerking/micropython
1
0
Fork 0
mirror of https://github.com/micropython/micropython.git synced 2026-01-06 20:20:14 +01:00
Code Issues Actions 52 Packages Projects Releases Wiki Activity

py: Fix mp_get_buffer, and use it in more places.

Browse Source 
Must use mp_obj_get_type to get the type of an object.  Can't assume
mp_obj_t is castable to mp_obj_base_t.
This commit is contained in:
Damien George
2014-04-13 12:08:52 +01:00
parent 4b01de44ba
commit 8a1cab952f
4 changed files with 16 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
py/obj.c
View File

@@ -333,11 +333,11 @@ mp_obj_t mp_identity(mp_obj_t self) {
MP_DEFINE_CONST_FUN_OBJ_1(mp_identity_obj, mp_identity);
bool mp_get_buffer(mp_obj_t obj, buffer_info_t *bufinfo) {
mp_obj_base_t *o = (mp_obj_base_t *)obj;
if (o->type->buffer_p.get_buffer == NULL) {
mp_obj_type_t *type = mp_obj_get_type(obj);
if (type->buffer_p.get_buffer == NULL) {
return false;
}
o->type->buffer_p.get_buffer(o, bufinfo, BUFFER_READ);
type->buffer_p.get_buffer(obj, bufinfo, BUFFER_READ);
if (bufinfo->buf == NULL) {
return false;
}