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| author | Scott Shawcroft <scott@adafruit.com> | 2020-01-10 11:37:59 -0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-01-10 11:37:59 -0800 |
| commit | 8708d3dc45ba48391e867fbda70de2ff4084f302 (patch) | |
| tree | 9aa96479f6117a381043c6439dbf2dddcced44c0 /shared-bindings | |
| parent | d7c6d9cabdbb9531b2852d53efd38da11c0794ca (diff) | |
| parent | 1c6efb9e662fcfb59afa9cac6c562082248a7560 (diff) | |
Merge pull request #2461 from jepler/urandom-hardfaults
Urandom hardfaults
Diffstat (limited to 'shared-bindings')
| -rw-r--r-- | shared-bindings/os/__init__.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/shared-bindings/os/__init__.c b/shared-bindings/os/__init__.c index 55ebd6f59..c2b63bbce 100644 --- a/shared-bindings/os/__init__.c +++ b/shared-bindings/os/__init__.c @@ -33,6 +33,7 @@ #include "lib/oofatfs/diskio.h" #include "py/mpstate.h" #include "py/obj.h" +#include "py/objstr.h" #include "py/runtime.h" #include "shared-bindings/os/__init__.h" @@ -195,11 +196,11 @@ MP_DEFINE_CONST_FUN_OBJ_0(os_sync_obj, os_sync); //| STATIC mp_obj_t os_urandom(mp_obj_t size_in) { mp_int_t size = mp_obj_get_int(size_in); - uint8_t tmp[size]; - if (!common_hal_os_urandom(tmp, size)) { + mp_obj_str_t *result = MP_OBJ_TO_PTR(mp_obj_new_bytes_of_zeros(size)); + if (!common_hal_os_urandom((uint8_t*) result->data, size)) { mp_raise_NotImplementedError(translate("No hardware random available")); } - return mp_obj_new_bytes(tmp, size); + return result; } MP_DEFINE_CONST_FUN_OBJ_1(os_urandom_obj, os_urandom); |