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basic hashing

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This commit is contained in:
IonutParau
2025-07-08 21:18:28 +02:00
parent b7ca7f78c1
commit 4a28c8943e
2 changed files with 20 additions and 9 deletions
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9
src/components/eeprom.c
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@@ -153,7 +153,6 @@ void nn_eeprom_makeReadonly(nn_eeprom *eeprom, void *_, nn_component *component,
eeprom->makeReadonly(component, eeprom->userdata);
}
// TODO: make good
void nn_eeprom_getChecksum(nn_eeprom *eeprom, void *_, nn_component *component, nn_computer *computer) {
size_t cap = eeprom->getDataSize(component, eeprom->userdata);
nn_Alloc *alloc = nn_getAllocator(nn_getUniverse(computer));
@@ -166,13 +165,11 @@ void nn_eeprom_getChecksum(nn_eeprom *eeprom, void *_, nn_component *component,
if(len < 0) {
return;
}
size_t sum = 0;
for(size_t i = 0; i < len; i++) {
sum += buf[i];
}
char hash[4] = {1, 0, 0, 1};
nn_data_crc32(buf, len, hash);
nn_dealloc(alloc, buf, cap);
nn_return_string(computer, (void *)&sum, sizeof(sum));
nn_return_string(computer, hash, sizeof(hash));
nn_eeprom_readCost(component, len);
}