C4NetIO::GetLocalAddresses: Fix off-by-one error in buffer size

legacyclonk · Nov 19, 2024 · 56ad5cd · 56ad5cd
1 parent f86cb6a
commit 56ad5cd
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/C4NetIO.cpp b/src/C4NetIO.cpp
@@ -326,7 +326,7 @@ std::vector<C4Network2HostAddress> C4NetIO::GetLocalAddresses(bool unsorted)
 		sa6.sin6_family = AF_INET6;
 		const auto a6 = sa6.sin6_addr.s6_addr;
 		std::uint8_t if_idx, plen, scope, flags;
-		char devname[20];
+		char devname[20 + 1];
 		while (std::fscanf(f.f,
 			"%2hhx%2hhx%2hhx%2hhx%2hhx%2hhx%2hhx%2hhx%2hhx%2hhx%2hhx%2hhx%2hhx%2hhx%2hhx%2hhx "
 			"%02" SCNx8 " %02" SCNx8 " %02" SCNx8 " %02" SCNx8 " %20s\n",