diff options
Diffstat (limited to 'gnulib/lib/malloca.h')
| -rw-r--r-- | gnulib/lib/malloca.h | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/gnulib/lib/malloca.h b/gnulib/lib/malloca.h index 3be0a38..6fbe45e 100644 --- a/gnulib/lib/malloca.h +++ b/gnulib/lib/malloca.h @@ -1,5 +1,5 @@ /* Safe automatic memory allocation. - Copyright (C) 2003-2007 Free Software Foundation, Inc. + Copyright (C) 2003-2007, 2009-2013 Free Software Foundation, Inc. Written by Bruno Haible <bruno@clisp.org>, 2003. This program is free software; you can redistribute it and/or modify @@ -13,8 +13,7 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + along with this program; if not, see <http://www.gnu.org/licenses/>. */ #ifndef _MALLOCA_H #define _MALLOCA_H @@ -43,7 +42,7 @@ extern "C" { 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. - This must be a macro, not an inline function. */ + This must be a macro, not a function. */ # define safe_alloca(N) ((N) < 4032 ? alloca (N) : NULL) #else # define safe_alloca(N) ((void) (N), NULL) @@ -54,7 +53,7 @@ extern "C" { the function returns. Upon failure, it returns NULL. */ #if HAVE_ALLOCA # define malloca(N) \ - ((N) < 4032 - sa_increment \ + ((N) < 4032 - sa_increment \ ? (void *) ((char *) alloca ((N) + sa_increment) + sa_increment) \ : mmalloca (N)) #else @@ -93,7 +92,7 @@ extern void * nmalloca (size_t n, size_t s); /* ------------------- Auxiliary, non-public definitions ------------------- */ /* Determine the alignment of a type at compile time. */ -#if defined __GNUC__ +#if defined __GNUC__ || defined __IBM__ALIGNOF__ # define sa_alignof __alignof__ #elif defined __cplusplus template <class type> struct sa_alignof_helper { char __slot1; type __slot2; }; @@ -122,10 +121,10 @@ enum sa_alignment_longdouble = sa_alignof (long double), sa_alignment_max = ((sa_alignment_long - 1) | (sa_alignment_double - 1) #if HAVE_LONG_LONG_INT - | (sa_alignment_longlong - 1) + | (sa_alignment_longlong - 1) #endif - | (sa_alignment_longdouble - 1) - ) + 1, + | (sa_alignment_longdouble - 1) + ) + 1, /* The increment that guarantees room for a magic word must be >= sizeof (int) and a multiple of sa_alignment_max. */ sa_increment = ((sizeof (int) + sa_alignment_max - 1) / sa_alignment_max) * sa_alignment_max |