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, 5 insertions, 6 deletions

diff --git a/apps/filetypes.c b/apps/filetypes.c
index 24dc0f2e4d..74607eac1c 100644
--- a/apps/filetypes.c
+++ b/apps/filetypes.c
@@ -262,9 +262,9 @@ void read_color_theme_file(void) {
     unknown_file.color = -1;
     if (!global_settings.colors_file[0] || global_settings.colors_file[0] == '-')
         return;
-    snprintf(buffer, MAX_PATH, THEME_DIR "/%s.colours",
-             global_settings.colors_file);
-    fd = open(buffer, O_RDONLY);
+
+    fd = open_pathfmt(O_RDONLY, THEME_DIR "/%s.colours",
+                                            global_settings.colors_file);
     if (fd < 0)
         return;
     while (read_line(fd, buffer, MAX_PATH) > 0)
@@ -303,9 +303,8 @@ void read_viewer_theme_file(void)
         custom_filetype_icons[i] = filetypes[i].icon;
     }
 
-    snprintf(buffer, MAX_PATH, "%s/%s.icons", ICON_DIR,
-             global_settings.viewers_icon_file);
-    fd = open(buffer, O_RDONLY);
+    fd = open_pathfmt(O_RDONLY, "%s/%s.icons", ICON_DIR,
+                                global_settings.viewers_icon_file);
     if (fd < 0)
         return;
     while (read_line(fd, buffer, MAX_PATH) > 0)