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small tweak

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This commit is contained in:
IonutParau 2025-07-08 21:26:45 +02:00
parent 4a28c8943e
commit 84ada3c62a
1 changed files with 15 additions and 8 deletions
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23
src/components/eeprom.c
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@ -154,24 +154,31 @@ void nn_eeprom_makeReadonly(nn_eeprom *eeprom, void *_, nn_component *component,
} }
void nn_eeprom_getChecksum(nn_eeprom *eeprom, void *_, nn_component *component, nn_computer *computer) { void nn_eeprom_getChecksum(nn_eeprom *eeprom, void *_, nn_component *component, nn_computer *computer) {
size_t cap = eeprom->getDataSize(component, eeprom->userdata); size_t dataCap = eeprom->getDataSize(component, eeprom->userdata);
size_t codeCap = eeprom->getSize(component, eeprom->userdata);
nn_Alloc *alloc = nn_getAllocator(nn_getUniverse(computer)); nn_Alloc *alloc = nn_getAllocator(nn_getUniverse(computer));
char *buf = nn_alloc(alloc, cap); char *buf = nn_alloc(alloc, dataCap + codeCap);
if(buf == NULL) { if(buf == NULL) {
nn_setCError(computer, "out of memory"); nn_setCError(computer, "out of memory");
return; return;
} }
int len = eeprom->getData(component, eeprom->userdata, buf); int dataLen = eeprom->getData(component, eeprom->userdata, buf);
if(len < 0) { if(dataLen < 0) {
nn_dealloc(alloc, buf, dataCap + codeCap);
return; return;
} }
char hash[4] = {1, 0, 0, 1}; int codeLen = eeprom->get(component, eeprom->userdata, buf + dataLen);
nn_data_crc32(buf, len, hash); if(codeLen < 0) {
nn_dealloc(alloc, buf, cap); nn_dealloc(alloc, buf, dataCap + codeCap);
return;
}
char hash[4];
nn_data_crc32(buf, dataLen + codeLen, hash);
nn_dealloc(alloc, buf, dataCap + codeCap);
nn_return_string(computer, hash, sizeof(hash)); nn_return_string(computer, hash, sizeof(hash));
nn_eeprom_readCost(component, len); nn_eeprom_readCost(component, dataLen + codeLen);
} }
void nn_loadEepromTable(nn_universe *universe) { void nn_loadEepromTable(nn_universe *universe) {