Feat log

examples/log/CMakeLists.txt

@@ -11,17 +11,23 @@ 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
     )
 
     install(TARGETS
         log-simple
         log-modules
+        log-syslog
         DESTINATION
         ${CMAKE_INSTALL_DOCDIR}/bin
     )

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;
+}

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
 

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;