log: move fuse_log() to the public header file

Applications may wish to call fuse_log() for unified logging.  This way
they don't need to define their own wrappers to invoke the log message
handler function installed by fuse_set_log_func().

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/include/fuse_log.h b/include/fuse_log.h
index df43697..5e112e0 100644
--- a/include/fuse_log.h
+++ b/include/fuse_log.h
@@ -67,6 +67,14 @@ typedef void (*fuse_log_func_t)(enum fuse_log_level level,
  */
 void fuse_set_log_func(fuse_log_func_t func);
 
+/**
+ * Emit a log message
+ *
+ * @param level severity level (FUSE_LOG_ERR, FUSE_LOG_DEBUG, etc)
+ * @param fmt sprintf-style format string including newline
+ */
+void fuse_log(enum fuse_log_level level, const char *fmt, ...);
+
 #ifdef __cplusplus
 }
 #endif