-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 According to Eric Blake on 6/3/2006 2:51 PM: > I will apply it in a couple of days if I don't hear any feedback, at which > point all known core dumps in 1.4.4 will be solved, and we can start > thinking about releasing 1.4.5. > > 2006-06-03 Eric Blake <[EMAIL PROTECTED]> > > When changing macro definitions inside the arguments to the macro, > consistently preserve the old definition that was in effect before > argument collection, similar to the C pre-processor. > * NEWS: Document this change. > * doc/m4.texinfo (Macro Arguments, Undefine, Dumpdef): Document > this policy, and add tests that expose core dumps prior to this > patch. > * src/m4.h (struct symbol): New members to track when a symbol is > still in use after removal from the symbol table. > (SYMBOL_PENDING_EXPANSIONS, SYMBOL_DELETED): Define. > (free_symbol): Prototype. > * src/macro.c (expand_macro): Track pending expansions of a > symbol. On completion, if a symbol is deleted and no longer > pending, free its memory. > * src/symtab.c (free_symbol): Export. Don't free memory if symbol > is still in use. > (lookup_symbol) <SYMBOL_INSERT>: Create new entry when old entry > is still in use. > (lookup_symbol) <SYMBOL_DELETE, SYMBOL_POPDEF>: Mark entries still > in use as deleted and remove from the table without freeing > memory. > (symtab_debug, symtab_print_list): Fix for debugging.
FYI: I have applied this patch. One more followon is coming. - -- Life is short - so eat dessert first! Eric Blake [EMAIL PROTECTED] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2.1 (Cygwin) Comment: Public key at home.comcast.net/~ericblake/eblake.gpg Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFEhXdX84KuGfSFAYARAixKAJ449VC3Ssi1sw6QjMN7GtXlklIqkQCfTpDQ hZq1JN6bdqaScV3HAWg+c+s= =nnhZ -----END PGP SIGNATURE----- _______________________________________________ M4-patches mailing list [email protected] http://lists.gnu.org/mailman/listinfo/m4-patches
