1 files changed, 16 insertions, 0 deletions
diff --git a/src/user/knob/block.c b/src/user/knob/block.c
index 90f79e3..1720f94 100644
--- a/src/user/knob/block.c
+++ b/src/user/knob/block.c
@@ -57,4 +57,20 @@ uint32_t strlen(const char *str) {
     ++str;
   }
   return len;
+}
+
+void str_trunc_fill(char *str, uint32_t len) {
+  const uint8_t orig_len = strlen(str);
+  if (orig_len > len) {
+    str[len - 4] = ' ';
+    str[len - 3] = '.';
+    str[len - 2] = '.';
+    str[len - 1] = '.';
+    str[len] = '\0';
+  }
+  else if (orig_len != len) {
+    for (uint8_t j = orig_len; j < len; ++j)
+      str[j] = ' ';
+    str[len] = '\0';
+  }
 }
 \ No newline at end of file