Filebrowser: Do not intent to draw empty strings, loss of time.

Fixes assert raised in `UI_text_clip_middle_ex()` when trying to draw (empty) 'size' string
for appended/linked blender datablocks.

1 files changed, 9 insertions, 2 deletions

diff --git a/source/blender/editors/space_file/file_draw.c b/source/blender/editors/space_file/file_draw.c
index 3553a0ed79a..2bd92b1e207 100644
--- a/source/blender/editors/space_file/file_draw.c
+++ b/source/blender/editors/space_file/file_draw.c
@@ -295,11 +295,18 @@ static void file_draw_icon(uiBlock *block, char *path, int sx, int sy, int icon,
 
 static void file_draw_string(int sx, int sy, const char *string, float width, int height, short align)
 {
-	uiStyle *style = UI_style_get();
-	uiFontStyle fs = style->widgetlabel;
+	uiStyle *style;
+	uiFontStyle fs;
 	rcti rect;
 	char fname[FILE_MAXFILE];
 
+	if (string[0] == '\0') {
+		return;
+	}
+
+	style = UI_style_get();
+	fs = style->widgetlabel;
+
 	fs.align = align;
 
 	BLI_strncpy(fname, string, FILE_MAXFILE);