Fix bugs in [v]snprintf usage

[fio.git] / iolog.c

diff --git a/iolog.c b/iolog.c
index 12f09d0ec019b075625fd6a4f016337657c9e151..e4c1fef9cb6ff802e3f5dffce4e24a0004565ad4 100644 (file)
--- a/iolog.c
+++ b/iolog.c
@@ -534,7 +534,7 @@ void finish_log_named(struct thread_data *td, struct io_log *log,
 {
        char file_name[256], *p;
 
-       snprintf(file_name, 200, "%s_%s.log", prefix, postfix);
+       snprintf(file_name, sizeof(file_name), "%s_%s.log", prefix, postfix);
        p = basename(file_name);
        __finish_log(log, p);
 }