[Emacs-diffs] master 87a44b9 3/3: Limit style_format to MAX_ALLOCA

[Paul Eggert]

branch: master
commit 87a44b934ccecd2d9bdbf0afad576333741075b6
Author: Paul Eggert <address@hidden>
Commit: Paul Eggert <address@hidden>

    Limit style_format to MAX_ALLOCA
    
    * src/editfns.c (styled_format): Subtract initial buffer size
    from sa_avail, since it is nontrivial.
---
 src/editfns.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/editfns.c b/src/editfns.c
index f0c4593..da99c05 100644
--- a/src/editfns.c
+++ b/src/editfns.c
@@ -4179,6 +4179,7 @@ styled_format (ptrdiff_t nargs, Lisp_Object *args, bool 
message)
   bool maybe_combine_byte;
   bool arg_intervals = false;
   USE_SAFE_ALLOCA;
+  sa_avail -= sizeof initial_buffer;
 
   /* Information recorded for each format spec.  */
   struct info