From e36c077346020f7a4313534f5b91bec7cff1684b Mon Sep 17 00:00:00 2001
From: Sadie Powell
Date: Thu, 19 Jan 2023 13:55:45 +0000
Subject: Log the versions of third-party libraries used by modules.

---
 src/modules/extra/m_pgsql.cpp | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'src/modules/extra/m_pgsql.cpp')

diff --git a/src/modules/extra/m_pgsql.cpp b/src/modules/extra/m_pgsql.cpp
index 99bd0ed79..fc4ec23c1 100644
--- a/src/modules/extra/m_pgsql.cpp
+++ b/src/modules/extra/m_pgsql.cpp
@@ -37,6 +37,7 @@
 
 
 #include <libpq-fe.h>
+#include <pg_config.h>
 
 #include "inspircd.h"
 #include "modules/sql.h"
@@ -575,6 +576,21 @@ public:
 		ClearAllConnections();
 	}
 
+	void init() override
+	{
+		int version = PQlibVersion();
+		int minor = version / 100 % 100;
+		int revision = version % 100;
+		if (version >= 10'00'00)
+		{
+			// Ref: https://www.postgresql.org/docs/current/libpq-misc.html#LIBPQ-PQLIBVERSION
+			minor = revision;
+			revision = 0;
+		}
+		ServerInstance->Logs.Normal(MODNAME, "Module was compiled against libpq version %s and is running against version %d.%d.%d",
+			PG_VERSION, version / 10000, minor, revision);
+	}
+
 	void ReadConfig(ConfigStatus& status) override
 	{
 		ReadConf();
-- 
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