Fix off-by-one error in lv_label_set_text_fmt

2019-08-18 16:00:57 -04:00
parent d5d8eb5afd
commit 7ea67301d7
1 changed files with 1 additions and 1 deletions
--- a/src/lv_objx/lv_label.c
+++ b/src/lv_objx/lv_label.c
@@ -241,7 +241,7 @@ void lv_label_set_text_fmt(lv_obj_t * label, const char * fmt, ...)
    if(ext->text == NULL) return;
    ext->text[len-1] = 0; /* Ensure NULL termination */

-    lv_vsnprintf(ext->text, len, fmt, ap2);
+    lv_vsnprintf(ext->text, len+1, fmt, ap2);

    va_end(ap2);
    ext->static_txt = 0; /*Now the text is dynamically allocated*/