On Sun, 2011-11-06 at 01:52 +0100, Samuel Thibault wrote: > Svante Signell, le Fri 14 Oct 2011 17:48:31 +0200, a écrit : > > /* Avoid consuming stack as this module may be used from signal handler */ > > static char *binary_filename = NULL; > > > > It wouldn't work with alloca, maybe with malloc!
> malloc has to be checked with > upstream. If rb_dump_backtrace_with_lines is to be called from a *Unix* > signal handler, then it is not safe to call malloc. The only solution > is then to use a fixed-length array, i.e. the ifndef PATH_MAX define > PATH_MAX lazy solution. I contacted upstream and they added the conditional definition of PATH_MAX to 4096 in commit: r33675. A fixed-length buffer was the only solution as you pointed out since the code at hand is run when the program has crashed. Thanks for your comments on alloca/malloc/realloc anyway. -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: http://lists.debian.org/[email protected]
