Micro-optimize num2str()

[fio.git] / init.c

diff --git a/init.c b/init.c
index b925b4ca33d2521031f4dd6a844d233b5ca8ee05..09f58a3538d4c4b28974bfc64b384ab111420e19 100644 (file)
--- a/init.c
+++ b/init.c
@@ -1418,6 +1418,17 @@ static bool wait_for_ok(const char *jobname, struct thread_options *o)
        return true;
 }
 
+/*
+ * Treat an empty log file name the same as a one not given
+ */
+static const char *make_log_name(const char *logname, const char *jobname)
+{
+       if (logname && strcmp(logname, ""))
+               return logname;
+
+       return jobname;
+}
+
 /*
  * Adds a job to the list of things todo. Sanitizes the various options
  * to make sure we don't have conflicts, and initializes various
@@ -1542,7 +1553,7 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
                        .log_gz = o->log_gz,
                        .log_gz_store = o->log_gz_store,
                };
-               const char *pre = o->lat_log_file ? o->lat_log_file : o->name;
+               const char *pre = make_log_name(o->lat_log_file, o->name);
                const char *suf;
 
                if (p.log_gz_store)
@@ -1561,6 +1572,7 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
                gen_log_name(logname, sizeof(logname), "clat", pre,
                                td->thread_number, suf, o->per_job_logs);
                setup_log(&td->clat_log, &p, logname);
+
        }
 
        if (o->write_hist_log) {
@@ -1574,7 +1586,7 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
                        .log_gz = o->log_gz,
                        .log_gz_store = o->log_gz_store,
                };
-               const char *pre = o->hist_log_file ? o->hist_log_file : o->name;
+               const char *pre = make_log_name(o->hist_log_file, o->name);
                const char *suf;
 
 #ifndef CONFIG_ZLIB
@@ -1605,7 +1617,7 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
                        .log_gz = o->log_gz,
                        .log_gz_store = o->log_gz_store,
                };
-               const char *pre = o->bw_log_file ? o->bw_log_file : o->name;
+               const char *pre = make_log_name(o->bw_log_file, o->name);
                const char *suf;
 
                if (fio_option_is_set(o, bw_avg_time))
@@ -1636,7 +1648,7 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
                        .log_gz = o->log_gz,
                        .log_gz_store = o->log_gz_store,
                };
-               const char *pre = o->iops_log_file ? o->iops_log_file : o->name;
+               const char *pre = make_log_name(o->iops_log_file, o->name);
                const char *suf;
 
                if (fio_option_is_set(o, iops_avg_time))