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Fixed crash in variant_call when trying to memcpy 0 bytes.

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This commit is contained in:
Anton Christoffersson 2021-10-24 12:45:52 +02:00
parent c7b78b9538
commit 9ed8417271
1 changed files with 8 additions and 4 deletions
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12
core/variant/variant_call.cpp
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@ -752,8 +752,9 @@ struct _VariantCall {
static PackedInt32Array func_PackedByteArray_decode_s32_array(PackedByteArray *p_instance) {
uint64_t size = p_instance->size();
const uint8_t *r = p_instance->ptr();
PackedInt32Array dest;
ERR_FAIL_COND_V_MSG(size < sizeof(int32_t), dest, "Size didn't match array of size int32_t, maybe you are trying to convert to the wrong type?");
const uint8_t *r = p_instance->ptr();
dest.resize(size / sizeof(int32_t));
memcpy(dest.ptrw(), r, size);
return dest;
@ -761,8 +762,9 @@ struct _VariantCall {
static PackedInt64Array func_PackedByteArray_decode_s64_array(PackedByteArray *p_instance) {
uint64_t size = p_instance->size();
const uint8_t *r = p_instance->ptr();
PackedInt64Array dest;
ERR_FAIL_COND_V_MSG(size < sizeof(int64_t), dest, "Size didn't match array of size int64_t, maybe you are trying to convert to the wrong type?");
const uint8_t *r = p_instance->ptr();
dest.resize(size / sizeof(int64_t));
memcpy(dest.ptrw(), r, size);
return dest;
@ -770,8 +772,9 @@ struct _VariantCall {
static PackedFloat32Array func_PackedByteArray_decode_float_array(PackedByteArray *p_instance) {
uint64_t size = p_instance->size();
const uint8_t *r = p_instance->ptr();
PackedFloat32Array dest;
ERR_FAIL_COND_V_MSG(size < sizeof(float), dest, "Size didn't match array of size float, maybe you are trying to convert to the wrong type?");
const uint8_t *r = p_instance->ptr();
dest.resize(size / sizeof(float));
memcpy(dest.ptrw(), r, size);
return dest;
@ -779,8 +782,9 @@ struct _VariantCall {
static PackedFloat64Array func_PackedByteArray_decode_double_array(PackedByteArray *p_instance) {
uint64_t size = p_instance->size();
const uint8_t *r = p_instance->ptr();
PackedFloat64Array dest;
ERR_FAIL_COND_V_MSG(size < sizeof(double), dest, "Size didn't match array of size double, maybe you are trying to convert to the wrong type?");
const uint8_t *r = p_instance->ptr();
dest.resize(size / sizeof(double));
memcpy(dest.ptrw(), r, size);
return dest;