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Annotation of OpenXM_contrib/gmp/stack-alloc.h, Revision 1.1

1.1     ! maekawa     1: /* Stack allocation routines.  This is intended for machines without support
        !             2:    for the `alloca' function.
        !             3:
        !             4: Copyright (C) 1996 Free Software Foundation, Inc.
        !             5:
        !             6: This file is part of the GNU MP Library.
        !             7:
        !             8: The GNU MP Library is free software; you can redistribute it and/or modify
        !             9: it under the terms of the GNU Library General Public License as published by
        !            10: the Free Software Foundation; either version 2 of the License, or (at your
        !            11: option) any later version.
        !            12:
        !            13: The GNU MP Library is distributed in the hope that it will be useful, but
        !            14: WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
        !            15: or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
        !            16: License for more details.
        !            17:
        !            18: You should have received a copy of the GNU Library General Public License
        !            19: along with the GNU MP Library; see the file COPYING.LIB.  If not, write to
        !            20: the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
        !            21: MA 02111-1307, USA. */
        !            22:
        !            23: struct tmp_stack
        !            24: {
        !            25:   void *end;
        !            26:   void *alloc_point;
        !            27:   struct tmp_stack *prev;
        !            28: };
        !            29:
        !            30: struct tmp_marker
        !            31: {
        !            32:   struct tmp_stack *which_chunk;
        !            33:   void *alloc_point;
        !            34: };
        !            35:
        !            36: typedef struct tmp_marker tmp_marker;
        !            37:
        !            38: #if __STDC__
        !            39: void *__tmp_alloc (unsigned long);
        !            40: void __tmp_mark (tmp_marker *);
        !            41: void __tmp_free (tmp_marker *);
        !            42: #else
        !            43: void *__tmp_alloc ();
        !            44: void __tmp_mark ();
        !            45: void __tmp_free ();
        !            46: #endif
        !            47:
        !            48: #ifndef __TMP_ALIGN
        !            49: #define __TMP_ALIGN 8
        !            50: #endif
        !            51:
        !            52: #define TMP_DECL(marker) tmp_marker marker
        !            53: #define TMP_ALLOC(size) \
        !            54:   __tmp_alloc (((unsigned long) (size) + __TMP_ALIGN - 1) & -__TMP_ALIGN)
        !            55: #define TMP_MARK(marker) __tmp_mark (&marker)
        !            56: #define TMP_FREE(marker) __tmp_free (&marker)