From 7d2f95da53dab313941ae57e97e8787010259f8f Mon Sep 17 00:00:00 2001
From: Zhenlin Wang <sanpeqf@gmail.com>
Date: Wed, 3 Sep 2025 16:19:40 +0800
Subject: [PATCH 1/2] fixup log: fixed syslog module function typo

Signed-off-by: Zhenlin Wang <sanpeqf@gmail.com>
---
 include/bfdev/modules/log.h | 2 +-
 modules/log/write-syslog.c  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/bfdev/modules/log.h b/include/bfdev/modules/log.h
index 2d2037e5..4e741aed 100644
--- a/include/bfdev/modules/log.h
+++ b/include/bfdev/modules/log.h
@@ -21,7 +21,7 @@ extern int
 bfdev_log_chain_pid(bfdev_log_message_t *msg, void *pdata);
 
 extern int
-bfdev_log_write_syslog(bfdev_log_message_t *msg, void *pdata);
+bfdev_log_write_syslog(bfdev_log_message_t *msg);
 
 BFDEV_END_DECLS
 
diff --git a/modules/log/write-syslog.c b/modules/log/write-syslog.c
index dbc42e90..58b28124 100644
--- a/modules/log/write-syslog.c
+++ b/modules/log/write-syslog.c
@@ -21,7 +21,7 @@ syslog_level[] = {
 };
 
 export int
-bfdev_log_write_syslog(bfdev_log_message_t *msg, void *pdata)
+bfdev_log_write_syslog(bfdev_log_message_t *msg)
 {
     int level, priority;
 

From 7f0569c0601d0586996c1ad5fe55d25902865d4a Mon Sep 17 00:00:00 2001
From: Zhenlin Wang <sanpeqf@gmail.com>
Date: Wed, 3 Sep 2025 16:23:39 +0800
Subject: [PATCH 2/2] feat log: added syslog example

Signed-off-by: Zhenlin Wang <sanpeqf@gmail.com>
---
 examples/log/CMakeLists.txt |  6 ++++++
 examples/log/syslog.c       | 20 ++++++++++++++++++++
 2 files changed, 26 insertions(+)
 create mode 100644 examples/log/syslog.c

diff --git a/examples/log/CMakeLists.txt b/examples/log/CMakeLists.txt
index 5d5f4efe..c5b3a9d2 100644
--- a/examples/log/CMakeLists.txt
+++ b/examples/log/CMakeLists.txt
@@ -11,10 +11,15 @@ add_executable(log-modules modules.c)
 target_link_libraries(log-modules bfdev)
 add_test(log-modules log-modules)
 
+add_executable(log-syslog syslog.c)
+target_link_libraries(log-syslog bfdev)
+add_test(log-syslog log-syslog)
+
 if(${CMAKE_PROJECT_NAME} STREQUAL "bfdev")
     install(FILES
         simple.c
         modules.c
+        syslog.c
         DESTINATION
         ${CMAKE_INSTALL_DOCDIR}/examples/log
     )
@@ -22,6 +27,7 @@ if(${CMAKE_PROJECT_NAME} STREQUAL "bfdev")
     install(TARGETS
         log-simple
         log-modules
+        log-syslog
         DESTINATION
         ${CMAKE_INSTALL_DOCDIR}/bin
     )
diff --git a/examples/log/syslog.c b/examples/log/syslog.c
new file mode 100644
index 00000000..715e67f3
--- /dev/null
+++ b/examples/log/syslog.c
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright(c) 2025 Zhenlin Wang <sanpeqf@gmail.com>
+ */
+
+#define MODULE_NAME "log-syslog"
+#define bfdev_log_fmt(fmt) MODULE_NAME ": " fmt
+
+#include <bfdev/modules/log.h>
+#include <syslog.h>
+
+int
+main(int argc, const char *argv[])
+{
+    openlog(MODULE_NAME, LOG_PID | LOG_CONS, LOG_DAEMON);
+    bfdev_log_default.write = bfdev_log_write_syslog;
+    bfdev_log("helloworld\n");
+
+    return 0;
+}