create function open_pathfmt() to allow printf formatting on open()

save some space by allowing printf formatting directly rather than
having a buffer and using sprintf

Change-Id: I049c8f898fb4a68a26ad0f0646250c242647ba12

1 files changed, 1 insertions, 4 deletions

diff --git a/apps/talk.c b/apps/talk.c
index 8507a89541..89319ae9a2 100644
--- a/apps/talk.c
+++ b/apps/talk.c
@@ -247,7 +247,6 @@ static struct buflib_callbacks talk_ops = {
 
 static int open_voicefile(void)
 {
-    char buf[64];
     char* p_lang = DEFAULT_VOICE_LANG; /* default */
 
     if ( global_settings.lang_file[0] &&
@@ -256,9 +255,7 @@ static int open_voicefile(void)
         p_lang = (char *)global_settings.lang_file;
     }
 
-    snprintf(buf, sizeof(buf), LANG_DIR "/%s.voice", p_lang);
-
-    return open(buf, O_RDONLY);
+    return open_pathfmt(O_RDONLY, LANG_DIR "/%s.voice", p_lang);
 }