On Wed, 2012-01-11 at 22:24 -0500, Francis Giraldeau wrote: > > On Thu, 2011-12-29 at 15:50 -0500, Francis Giraldeau wrote: > > > While working on an updated square lens, the old bug_on error came back. > > > This > > > patch is some proposal to get it fixed. Adding this flag is not pretty, > > > but it > > > works. > > > > I don't recall the details of that problem - what exactly in bug_on is > > causing segfaults ? > > Yeah, well, the problem is not bug_on. In lens_get, when lns_get returns > with an error, the function make_exn_lns_error() is called, which > returns either a normaly allocated value, or a static value with > exn_error(). The error comes from this static value which is modified at > various places and produces a segfault.
Aaah, yes, that is nasty. > I think it was done to report error in case of ENOMEM error. The flag > solution is not quite exciting. What about allocating this struct in > advance, say on aug_init? Yes, I like that solution much better; we'd allocate it early in aug_init, reset it in api_entry, and do not need to worry about SIGSEGV because of modifications. David _______________________________________________ augeas-devel mailing list augeas-devel@redhat.com https://www.redhat.com/mailman/listinfo/augeas-devel