rename fc_combine_two_string to fc_combine_two_strings

src/sf_binlog_index.c

@@ -229,7 +229,7 @@ int sf_binlog_index_save(SFBinlogIndexContext *ctx)
     int result;
     char tmp_filename[PATH_MAX];
 
-    fc_combine_two_string(ctx->filename, "tmp", '.', tmp_filename);
+    fc_combine_two_strings(ctx->filename, "tmp", '.', tmp_filename);
     if ((result=save(ctx, tmp_filename)) != 0) {
         return result;
     }

src/sf_binlog_writer.c

@@ -357,7 +357,7 @@ static void *binlog_writer_func(void *arg)
 #ifdef OS_LINUX
     {
         char thread_name[64];
-        fc_combine_two_string(thread->name, "writer", '-', thread_name);
+        fc_combine_two_strings(thread->name, "writer", '-', thread_name);
         prctl(PR_SET_NAME, thread_name);
     }
 #endif

src/sf_file_writer.c

@@ -266,7 +266,7 @@ static int open_next_binlog(SFFileWriterInfo *writer)
 
         formatDatetime(g_current_time, "%Y%m%d%H%M%S",
                 date_str, sizeof(date_str));
-        fc_combine_two_string(writer->file.name.str,
+        fc_combine_two_strings(writer->file.name.str,
                 date_str, '.', bak_filename);
         if (rename(writer->file.name.str, bak_filename) == 0) {
             logWarning("file: "__FILE__", line: %d, "

src/sf_ordered_writer.c

@@ -142,7 +142,7 @@ static void *binlog_writer_func(void *arg)
 #ifdef OS_LINUX
     {
         char thread_name[64];
-        fc_combine_two_string(thread->name, "writer", '-', thread_name);
+        fc_combine_two_strings(thread->name, "writer", '-', thread_name);
         prctl(PR_SET_NAME, thread_name);
     }
 #endif