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py, gc: Fix old gc_realloc for case when NULL is passed in as ptr.

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This commit is contained in:
Damien George 2014-04-25 11:44:53 +00:00
parent 5be40afb4c
commit 410f30772f
1 changed files with 8 additions and 5 deletions
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13
py/gc.c
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@ -435,14 +435,17 @@ void *gc_realloc(void *ptr, machine_uint_t n_bytes) {
if (n_bytes <= n_existing) {
return ptr;
} else {
// TODO false is incorrect! Should get value from current block!
void *ptr2 = gc_alloc(n_bytes,
bool has_finaliser;
if (ptr == NULL) {
has_finaliser = false;
} else {
#if MICROPY_ENABLE_FINALISER
FTB_GET(BLOCK_FROM_PTR((machine_uint_t)ptr))
has_finaliser = FTB_GET(BLOCK_FROM_PTR((machine_uint_t)ptr));
#else
false
has_finaliser = false;
#endif
);
}
void *ptr2 = gc_alloc(n_bytes, has_finaliser);
if (ptr2 == NULL) {
return ptr2;
}