From 7c8c140ecc95ab2ac90e20951416886c9ac5fa93 Mon Sep 17 00:00:00 2001
From: practicalswift <practicalswift@users.noreply.github.com>
Date: Mon, 15 Mar 2021 15:20:03 +0000
Subject: fuzz: Implement fuzzed_dns_lookup_function as lambda

---
 src/test/fuzz/netbase_dns_lookup.cpp | 24 +++++++++---------------
 1 file changed, 9 insertions(+), 15 deletions(-)

(limited to 'src/test/fuzz/netbase_dns_lookup.cpp')

diff --git a/src/test/fuzz/netbase_dns_lookup.cpp b/src/test/fuzz/netbase_dns_lookup.cpp
index 786440c8a4..7be8b13743 100644
--- a/src/test/fuzz/netbase_dns_lookup.cpp
+++ b/src/test/fuzz/netbase_dns_lookup.cpp
@@ -12,27 +12,22 @@
 #include <string>
 #include <vector>
 
-namespace {
-FuzzedDataProvider* fuzzed_data_provider_ptr = nullptr;
-
-std::vector<CNetAddr> fuzzed_dns_lookup_function(const std::string& name, bool allow_lookup)
-{
-    std::vector<CNetAddr> resolved_addresses;
-    while (fuzzed_data_provider_ptr->ConsumeBool()) {
-        resolved_addresses.push_back(ConsumeNetAddr(*fuzzed_data_provider_ptr));
-    }
-    return resolved_addresses;
-}
-} // namespace
-
 FUZZ_TARGET(netbase_dns_lookup)
 {
     FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
-    fuzzed_data_provider_ptr = &fuzzed_data_provider;
     const std::string name = fuzzed_data_provider.ConsumeRandomLengthString(512);
     const unsigned int max_results = fuzzed_data_provider.ConsumeIntegral<unsigned int>();
     const bool allow_lookup = fuzzed_data_provider.ConsumeBool();
     const int default_port = fuzzed_data_provider.ConsumeIntegral<int>();
+
+    auto fuzzed_dns_lookup_function = [&](const std::string&, bool) {
+        std::vector<CNetAddr> resolved_addresses;
+        while (fuzzed_data_provider.ConsumeBool()) {
+            resolved_addresses.push_back(ConsumeNetAddr(fuzzed_data_provider));
+        }
+        return resolved_addresses;
+    };
+
     {
         std::vector<CNetAddr> resolved_addresses;
         if (LookupHost(name, resolved_addresses, max_results, allow_lookup, fuzzed_dns_lookup_function)) {
@@ -73,5 +68,4 @@ FUZZ_TARGET(netbase_dns_lookup)
             assert(resolved_subnet.IsValid());
         }
     }
-    fuzzed_data_provider_ptr = nullptr;
 }
-- 
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