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| author | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2018-07-16 17:39:23 -0300 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2021-02-09 16:58:16 -0300 |
| commit | 36c604ed36b9989a38dd4e323c404d89fd173009 (patch) | |
| tree | 9e8e7b09d73fe64eb5175dbc382f437fe6838fd6 /posix/regex_internal.h | |
| parent | f3e5c7262e77ca84bcef60fe20a3dc70eae12d5e (diff) | |
| download | glibc-36c604ed36b9989a38dd4e323c404d89fd173009.tar.gz glibc-36c604ed36b9989a38dd4e323c404d89fd173009.tar.xz glibc-36c604ed36b9989a38dd4e323c404d89fd173009.zip | |
regex: stop using alloca
It syncs with gnulib version 87ed1f9c4. No functional changes is expected. Checked on x86_64-linux-gnu.
Diffstat (limited to 'posix/regex_internal.h')
| -rw-r--r-- | posix/regex_internal.h | 19 |
1 files changed, 0 insertions, 19 deletions
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 <alloca.h> -#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 |