From 36c604ed36b9989a38dd4e323c404d89fd173009 Mon Sep 17 00:00:00 2001 From: Adhemerval Zanella Date: Mon, 16 Jul 2018 17:39:23 -0300 Subject: regex: stop using alloca It syncs with gnulib version 87ed1f9c4. No functional changes is expected. Checked on x86_64-linux-gnu. --- posix/regex_internal.h | 19 ------------------- 1 file changed, 19 deletions(-) (limited to 'posix/regex_internal.h') diff --git a/posix/regex_internal.h b/posix/regex_internal.h index 011f733176..edcdc07e99 100644 --- a/posix/regex_internal.h +++ b/posix/regex_internal.h @@ -444,25 +444,6 @@ typedef struct re_dfa_t re_dfa_t; #define re_string_skip_bytes(pstr,idx) ((pstr)->cur_idx += (idx)) #define re_string_set_index(pstr,idx) ((pstr)->cur_idx = (idx)) -#if defined _LIBC || HAVE_ALLOCA -# include -#endif - -#ifndef _LIBC -# if HAVE_ALLOCA -/* The OS usually guarantees only one guard page at the bottom of the stack, - and a page size can be as small as 4096 bytes. So we cannot safely - allocate anything larger than 4096 bytes. Also care for the possibility - of a few compiler-allocated temporary stack slots. */ -# define __libc_use_alloca(n) ((n) < 4032) -# else -/* alloca is implemented with malloc, so just use malloc. */ -# define __libc_use_alloca(n) 0 -# undef alloca -# define alloca(n) malloc (n) -# endif -#endif - #ifdef _LIBC # define MALLOC_0_IS_NONNULL 1 #elif !defined MALLOC_0_IS_NONNULL -- cgit 1.4.1