+2022-05-11 Bruno Haible <bruno@clisp.org>
+
+ alloca: Remove old code for Emacs, unused since 2009.
+ Reported by Reuben Thomas <rrt@sc3d.org> in
+ <https://lists.gnu.org/archive/html/bug-gnulib/2022-05/msg00032.html>.
+ * lib/alloca.c: Remove Emacs specific code.
+
2022-05-05 Paul Eggert <eggert@cs.ucla.edu>
libc-config: update to match cdefs
#include <string.h>
#include <stdlib.h>
-#ifdef emacs
-# include "lisp.h"
-# include "blockinput.h"
-# ifdef EMACS_FREE
-# undef free
-# define free EMACS_FREE
-# endif
-#else
-# define memory_full() abort ()
-#endif
-
/* If compiling with GCC or clang, this file is not needed. */
#if !(defined __GNUC__ || defined __clang__)
there must be some other way alloca is supposed to work. */
# ifndef alloca
-# ifdef emacs
-# ifdef static
-/* actually, only want this if static is defined as ""
- -- this is for usg, in which emacs must undefine static
- in order to make unexec workable
- */
-# ifndef STACK_DIRECTION
-you
-lose
--- must know STACK_DIRECTION at compile-time
-/* Using #error here is not wise since this file should work for
- old and obscure compilers. */
-# endif /* STACK_DIRECTION undefined */
-# endif /* static */
-# endif /* emacs */
-
/* Define STACK_DIRECTION if you know the direction of stack
growth for your system; otherwise it will be automatically
deduced at run-time.
{
register header *hp; /* Traverses linked list. */
-# ifdef emacs
- BLOCK_INPUT;
-# endif
-
for (hp = last_alloca_header; hp != NULL;)
if ((STACK_DIR > 0 && hp->h.deep > depth)
|| (STACK_DIR < 0 && hp->h.deep < depth))
break; /* Rest are not deeper. */
last_alloca_header = hp; /* -> last valid storage. */
-
-# ifdef emacs
- UNBLOCK_INPUT;
-# endif
}
if (size == 0)