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py: Make mp_obj_print() handle null object w/o segfault if debug build. 

Happens regularly when used for debugging.
This commit is contained in:
Paul Sokolovsky 2014-05-10 21:05:45 +03:00
parent 7067d69bcc
commit 0bc15941c2
1 changed files with 6 additions and 0 deletions
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6
py/obj.c
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@ -59,6 +59,12 @@ void printf_wrapper(void *env, const char *fmt, ...) {
}
void mp_obj_print_helper(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t o_in, mp_print_kind_t kind) {
#if !NDEBUG
if (o_in == NULL) {
print(env, "(nil)");
return;
}
#endif
mp_obj_type_t *type = mp_obj_get_type(o_in);
if (type->print != NULL) {
type->print(print, env, o_in, kind);