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Add handlerlist assertion to module code

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* src/emacs-module.c (module_reset_handlerlist):
Check handlerlist.  Suggested by Philipp Stephani in:
http://lists.gnu.org/archive/html/emacs-devel/2017-05/msg00521.html
This commit is contained in:
Paul Eggert 2017-05-19 16:15:07 -07:00
parent a5acb3701a
commit 7d00410af6
1 changed files with 4 additions and 2 deletions
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src/emacs-module.c
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@ -918,10 +918,12 @@ finalize_environment (struct emacs_env_private *env)
/* Must be called after setting up a handler immediately before
returning from the function. See the comments in lisp.h and the
code in eval.c for details. The macros below arrange for this
function to be called automatically. DUMMY is ignored. */
function to be called automatically. PHANDLERLIST points to a word
containing the handler list, for sanity checking. */
static void
module_reset_handlerlist (struct handler *const *dummy)
module_reset_handlerlist (struct handler *const *phandlerlist)
{
eassert (handlerlist == *phandlerlist);
handlerlist = handlerlist->next;
}