Revision: 4478 http://trac.macosforge.org/projects/ruby/changeset/4478 Author: lsansonetti@apple.com Date: 2010-08-30 13:52:55 -0700 (Mon, 30 Aug 2010) Log Message: ----------- #sprintf: don't try to mutate symbols Modified Paths: -------------- MacRuby/trunk/sprintf.c Modified: MacRuby/trunk/sprintf.c =================================================================== --- MacRuby/trunk/sprintf.c 2010-08-30 20:52:28 UTC (rev 4477) +++ MacRuby/trunk/sprintf.c 2010-08-30 20:52:55 UTC (rev 4478) @@ -794,6 +794,11 @@ tainted = true; } + if (TYPE(arg) == T_SYMBOL) { + // Because symbols are not mutable and pad_format_value() + // mutates its first argument. + arg = rb_sym_to_s(arg); + } pad_format_value(arg, minus_flag ? -1 : 0, width, rb_str_new2(" ")); num = cstr_update(&format_str, &format_str_capa, start, i - start + 1, arg);