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MemoryCardImage: Support importing truncated .gme files

This commit is contained in:
Connor McLaughlin 2020-10-03 13:25:39 +10:00
parent ca0bfc39a2
commit 45dd80b6a6
1 changed files with 10 additions and 1 deletions
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11
src/core/memory_card_image.cpp
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@ -421,12 +421,21 @@ static bool ImportCardGME(DataArray* data, const char* filename)
if (!file_data.has_value())
return false;
if (file_data->size() < (sizeof(GMEHeader) + DATA_SIZE))
if (file_data->size() < (sizeof(GMEHeader) + BLOCK_SIZE))
{
Log_ErrorPrintf("Failed to import GME memory card from '%s': file is incorrect size.", filename);
return false;
}
// if it's too small, pad it
const u32 expected_size = sizeof(GMEHeader) + DATA_SIZE;
if (file_data->size() < expected_size)
{
Log_WarningPrintf("GME memory card '%s' is too small (got %zu expected %u), padding with zeroes", filename,
file_data->size(), expected_size);
file_data->resize(expected_size);
}
// we don't actually care about the header, just skip over it
std::memcpy(data->data(), file_data->data() + sizeof(GMEHeader), DATA_SIZE);
return true;