mruby-string-ext/string.c (mrb_str_ord): fail with invalid
@@ -1034,7 +1034,7 @@ utf8code(unsigned char* p)
}
}
}
- return p[0];
+ return -1;
}
static mrb_value
@@ -1042,7 +1042,9 @@ mrb_str_ord(mrb_state* mrb, mrb_value str)
{
if (RSTRING_LEN(str) == 0)
mrb_raise(mrb, E_ARGUMENT_ERROR, "empty string");
- return mrb_fixnum_value(utf8code((unsigned char*) RSTRING_PTR(str)));
+ mrb_int c = utf8code((unsigned char*) RSTRING_PTR(str));
+ if (c < 0) mrb_raise(mrb, E_ARGUMENT_ERROR, "invalid UTF-8 byte sequence");
+ return mrb_fixnum_value(c);
}
#else
static mrb_value
