log: move log_syntax() into src/shared/log.c, and make it more similar to the other log functions

1 files changed, 20 insertions, 1 deletions

diff --git a/src/shared/log.h b/src/shared/log.h
index d6061c05ea..09d2fc767b 100644
--- a/src/shared/log.h
+++ b/src/shared/log.h
@@ -28,8 +28,8 @@
 #include <sys/signalfd.h>
 #include <errno.h>
 
-#include "macro.h"
 #include "sd-id128.h"
+#include "macro.h"
 
 typedef enum LogTarget{
         LOG_TARGET_CONSOLE,
@@ -209,3 +209,22 @@ LogTarget log_target_from_string(const char *s) _pure_;
 void log_received_signal(int level, const struct signalfd_siginfo *si);
 
 void log_set_upgrade_syslog_to_journal(bool b);
+
+int log_syntax_internal(
+                const char *unit,
+                int level,
+                const char *config_file,
+                unsigned config_line,
+                int error,
+                const char *file,
+                int line,
+                const char *func,
+                const char *format, ...) _printf_(9, 10);
+
+#define log_syntax(unit, level, config_file, config_line, error, ...)   \
+        ({                                                              \
+                int _level = (level), _e = (error);                     \
+                (log_get_max_level() >= LOG_PRI(_level))                \
+                        ? log_syntax_internal(unit, _level, config_file, config_line, _e, __FILE__, __LINE__, __func__, __VA_ARGS__) \
+                        : -abs(_e);                                     \
+        })