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init: clamp -lowmem to non-negative before assigning to size_t #295

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init: clamp -lowmem to non-negative before assigning to size_t #295

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2 changes: 1 addition & 1 deletion src/init.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1461,7 +1461,7 @@ static ChainstateLoadResult InitAndLoadChainstate(
LogPrintf("* Using %.1f MiB for in-memory UTXO set (plus up to %.1f MiB of unused mempool space)\n", cache_sizes.coins * (1.0 / 1024 / 1024), mempool_opts.max_size_bytes * (1.0 / 1024 / 1024));

if (gArgs.IsArgSet("-lowmem")) {
g_low_memory_threshold = gArgs.GetIntArg("-lowmem", 0 /* not used */) * 1024 * 1024;
g_low_memory_threshold = std::max(int64_t{0}, gArgs.GetIntArg("-lowmem", 0 /* not used */)) * 1024 * 1024;
}
if (g_low_memory_threshold > 0) {
LogPrintf("* Flushing caches if available system memory drops below %s MiB\n", g_low_memory_threshold / 1024 / 1024);
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