integer->char: assure given integer range

2014-09-26 14:23:47 +09:00 · 2014-09-26 14:23:47 +09:00 · 32fa44db91
parent ed354867a9
commit 32fa44db91
1 changed files with 5 additions and 1 deletions
--- a/char.c
+++ b/char.c
@ -31,7 +31,11 @@ pic_char_integer_to_char(pic_state *pic)

  pic_get_args(pic, "i", &i);

-  return pic_char_value(i);
+  if (i < 0 || i > 127) {
+    pic_errorf(pic, "integer->char: integer out of char range: %d", i);
+  }
+
+  return pic_char_value((char)i);
 }

 #define DEFINE_CHAR_CMP(op, name)			\