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Annotation of OpenXM_contrib/gmp/stack-alloc.h, Revision 1.1.1.2

1.1       maekawa     1: /* Stack allocation routines.  This is intended for machines without support
                      2:    for the `alloca' function.
                      3:
1.1.1.2 ! maekawa     4: Copyright (C) 1996, 2000 Free Software Foundation, Inc.
1.1       maekawa     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
1.1.1.2 ! maekawa     9: it under the terms of the GNU Lesser General Public License as published by
        !            10: the Free Software Foundation; either version 2.1 of the License, or (at your
1.1       maekawa    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
1.1.1.2 ! maekawa    15: or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
1.1       maekawa    16: License for more details.
                     17:
1.1.1.2 ! maekawa    18: You should have received a copy of the GNU Lesser General Public License
1.1       maekawa    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:
1.1.1.2 ! maekawa    38: #if defined (__cplusplus)
        !            39: extern "C" {
        !            40: #endif
        !            41:
1.1       maekawa    42: #if __STDC__
1.1.1.2 ! maekawa    43: void *__gmp_tmp_alloc (unsigned long);
        !            44: void __gmp_tmp_mark (tmp_marker *);
        !            45: void __gmp_tmp_free (tmp_marker *);
1.1       maekawa    46: #else
1.1.1.2 ! maekawa    47: void *__gmp_tmp_alloc ();
        !            48: void __gmp_tmp_mark ();
        !            49: void __gmp_tmp_free ();
        !            50: #endif
        !            51:
        !            52: #if defined (__cplusplus)
        !            53: }
1.1       maekawa    54: #endif
                     55:
                     56: #ifndef __TMP_ALIGN
                     57: #define __TMP_ALIGN 8
                     58: #endif
                     59:
                     60: #define TMP_DECL(marker) tmp_marker marker
                     61: #define TMP_ALLOC(size) \
1.1.1.2 ! maekawa    62:   __gmp_tmp_alloc (((unsigned long) (size) + __TMP_ALIGN - 1) & -__TMP_ALIGN)
        !            63: #define TMP_MARK(marker) __gmp_tmp_mark (&marker)
        !            64: #define TMP_FREE(marker) __gmp_tmp_free (&marker)