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AllocatorLog: support nulls in deallocate() and reallocate()

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This commit is contained in:
Benoit Blanchon
2023-07-17 14:46:00 +02:00
parent c4e5051a7a
commit 65c67d317a
2 changed files with 8 additions and 5 deletions
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7
extras/tests/Helpers/Allocators.hpp
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@ -109,18 +109,17 @@ class SpyingAllocator : public ArduinoJson::Allocator {
void deallocate(void* p) override {
auto block = AllocatedBlock::fromPayload(p);
log_ << AllocatorLog::Deallocate(block->size);
log_ << AllocatorLog::Deallocate(block ? block->size : 0);
upstream_->deallocate(block);
}
void* reallocate(void* p, size_t n) override {
auto block = AllocatedBlock::fromPayload(p);
auto oldSize = block->size;
auto oldSize = block ? block->size : 0;
block = reinterpret_cast<AllocatedBlock*>(
upstream_->reallocate(block, sizeof(AllocatedBlock) + n - 1));
if (block) {
log_ << AllocatorLog::Reallocate(oldSize, n);
ARDUINOJSON_ASSERT(block->size == oldSize);
block->size = n;
return block->payload;
} else {
@ -143,6 +142,8 @@ class SpyingAllocator : public ArduinoJson::Allocator {
char payload[1];
static AllocatedBlock* fromPayload(void* p) {
if (!p)
return nullptr;
return reinterpret_cast<AllocatedBlock*>(
// Cast to void* to silence "cast increases required alignment of
// target type [-Werror=cast-align]"