Prefer memset to repeatedly assigning Qnil

* alloc.c (allocate_pseudovector): Catch more bogus values.
* alloc.c (allocate_pseudovector):
* callint.c (Fcall_interactively):
* coding.c (syms_of_coding):
* fringe.c (init_fringe):
Verify that Qnil == 0.
* callint.c (Fcall_interactively):
* eval.c (Fapply, Ffuncall):
* fns.c (mapcar1, larger_vector):
* font.c (font_expand_wildcards):
* fringe.c (init_fringe):
Prefer memset to assigning zeros by hand.
* callint.c (Fcall_interactively):
Remove duplicate assignment of Qnil to args[i].
* coding.c (syms_of_coding):
Prefer LISP_INITIALLY_ZERO to assigning zeros by hand.
* fileio.c (Ffile_selinux_context):
Rewrite to avoid need for Lisp_Object array.
* lisp.h (XLI_BUILTIN_LISPSYM): New macro.
(DEFINE_LISP_SYMBOL_END): Use it.
(NIL_IS_ZERO): New constant.
(memsetnil): New function.

1 files changed, 2 insertions, 5 deletions

diff --git a/src/fringe.c b/src/fringe.c
index c7262d19336..464379d0cd0 100644
--- a/src/fringe.c
+++ b/src/fringe.c
@@ -1723,15 +1723,12 @@ init_fringe_once (void)
 void
 init_fringe (void)
 {
-  int i;
-
   max_fringe_bitmaps = MAX_STANDARD_FRINGE_BITMAPS + 20;
 
   fringe_bitmaps = xzalloc (max_fringe_bitmaps * sizeof *fringe_bitmaps);
-  fringe_faces = xmalloc (max_fringe_bitmaps * sizeof *fringe_faces);
 
-  for (i = 0; i < max_fringe_bitmaps; i++)
-    fringe_faces[i] = Qnil;
+  verify (NIL_IS_ZERO);
+  fringe_faces = xzalloc (max_fringe_bitmaps * sizeof *fringe_faces);
 }
 
 #ifdef HAVE_NTGUI