Merge branch 'collectd-4.10' into collectd-5.0

[collectd.git] / src / common.h

diff --git a/src/common.h b/src/common.h
index e6b899d..6b11b53 100644 (file)
--- a/src/common.h
+++ b/src/common.h
@@ -287,6 +287,7 @@ typedef int (*dirwalk_callback_f)(const char *dirname, const char *filename,
                void *user_data);
 int walk_directory (const char *dir, dirwalk_callback_f callback,
                void *user_data, int hidden);
+/* Returns the number of bytes read or negative on error. */
 int read_file_contents (const char *filename, char *buf, int bufsize);
 
 counter_t counter_diff (counter_t old_value, counter_t new_value);