conf: improve the tabulator level prints

Do not use per char loop, but compose a string.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>

diff --git a/src/conf.c b/src/conf.c
index 3c943db2b5766d231de623415ce4b981a800f87b..938fce58cb736d8f487311d4bed9c241da37d373 100644 (file)
--- a/src/conf.c
+++ b/src/conf.c
@@ -1595,6 +1595,14 @@ static void string_print(char *str, int id, snd_output_t *out)
        snd_output_putc(out, '\'');
 }
 
+static void level_print(snd_output_t *out, unsigned int level)
+{
+       char a[level + 1];
+       memset(a, '\t', level);
+       a[level] = '\0';
+       snd_output_puts(out, a);
+}
+
 static int _snd_config_save_children(snd_config_t *config, snd_output_t *out,
                                     unsigned int level, unsigned int joins);
 
@@ -1602,7 +1610,6 @@ static int _snd_config_save_node_value(snd_config_t *n, snd_output_t *out,
                                       unsigned int level)
 {
        int err;
-       unsigned int k;
        switch (n->type) {
        case SND_CONFIG_TYPE_INTEGER:
                snd_output_printf(out, "%ld", n->u.integer);
@@ -1625,9 +1632,7 @@ static int _snd_config_save_node_value(snd_config_t *n, snd_output_t *out,
                err = _snd_config_save_children(n, out, level + 1, 0);
                if (err < 0)
                        return err;
-               for (k = 0; k < level; ++k) {
-                       snd_output_putc(out, '\t');
-               }
+               level_print(out, level);
                snd_output_putc(out, '}');
                break;
        }
@@ -1647,7 +1652,6 @@ static void id_print(snd_config_t *n, snd_output_t *out, unsigned int joins)
 static int _snd_config_save_children(snd_config_t *config, snd_output_t *out,
                                     unsigned int level, unsigned int joins)
 {
-       unsigned int k;
        int err;
        snd_config_iterator_t i, next;
        assert(config && out);
@@ -1660,9 +1664,7 @@ static int _snd_config_save_children(snd_config_t *config, snd_output_t *out,
                                return err;
                        continue;
                }
-               for (k = 0; k < level; ++k) {
-                       snd_output_putc(out, '\t');
-               }
+               level_print(out, level);
                id_print(n, out, joins);
 #if 0
                snd_output_putc(out, ' ');