From 5726a0d84460a4b67a254c4dcfaa40bf9cc12e45 Mon Sep 17 00:00:00 2001
From: Thomas Vanbesien <tvanbesi@proton.me>
Date: Wed, 18 Feb 2026 10:16:45 +0100
Subject: Standardize config file section ordering, list operations in usage

Group config keys into sections separated by blank lines: identity,
encryption (certificate/privateKey/trustStore), security mode, auth.
Program-specific keys (cleanupTimeout, registerInterval) go last.
Show available operations in Client usage message.
---
 src/client.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'src/client.c')

diff --git a/src/client.c b/src/client.c
index f03a337..ccb1021 100644
--- a/src/client.c
+++ b/src/client.c
@@ -162,10 +162,11 @@ main (int argc, char **argv)
 {
   if (argc < 4 || argc > 5)
     {
-      UA_LOG_FATAL (
-          UA_Log_Stdout, UA_LOGCATEGORY_USERLAND,
-          "Usage: %s <config-file> <operation> <endpoint-url> [log-level]",
-          argv[0]);
+      UA_LOG_FATAL (UA_Log_Stdout, UA_LOGCATEGORY_USERLAND,
+                    "Usage: %s <config-file> <operation> <endpoint-url> "
+                    "[log-level]\n"
+                    "Operations: find-servers, get-endpoints, read-time",
+                    argv[0]);
       return EXIT_FAILURE;
     }
 
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