fonts.c: fix return bug

1 files changed, 4 insertions, 1 deletions

diff --git a/fonts.c b/fonts.c
index 2ef8052..25f9cf4 100644
--- a/fonts.c
+++ b/fonts.c
@@ -24,5 +24,8 @@ int render(char *input, int input_len, char *output, int max_output_len, int ski
       output[output_i*(SYMBOL_WIDTH+1) + i] = symbols[c*SYMBOL_WIDTH + i];
     output_i++;
   }
-  return output_i*(SYMBOL_WIDTH+1);
+  if (output_i*(SYMBOL_WIDTH+1) >= max_output_len)
+    return max_output_len;
+  else
+    return output_i*(SYMBOL_WIDTH+1);
 }