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Annotation of OpenXM_contrib/gnuplot/alloc.h, Revision 1.1

1.1     ! maekawa     1: /* $Id: alloc.h,v 1.6 1998/03/22 22:31:17 drd Exp $ */
        !             2:
        !             3: /* GNUPLOT - alloc.h */
        !             4:
        !             5: /*[
        !             6:  * Copyright 1986 - 1993, 1998   Thomas Williams, Colin Kelley
        !             7:  *
        !             8:  * Permission to use, copy, and distribute this software and its
        !             9:  * documentation for any purpose with or without fee is hereby granted,
        !            10:  * provided that the above copyright notice appear in all copies and
        !            11:  * that both that copyright notice and this permission notice appear
        !            12:  * in supporting documentation.
        !            13:  *
        !            14:  * Permission to modify the software is granted, but not the right to
        !            15:  * distribute the complete modified source code.  Modifications are to
        !            16:  * be distributed as patches to the released version.  Permission to
        !            17:  * distribute binaries produced by compiling modified sources is granted,
        !            18:  * provided you
        !            19:  *   1. distribute the corresponding source modifications from the
        !            20:  *    released version in the form of a patch file along with the binaries,
        !            21:  *   2. add special version identification to distinguish your version
        !            22:  *    in addition to the base release version number,
        !            23:  *   3. provide your name and address as the primary contact for the
        !            24:  *    support of your modified version, and
        !            25:  *   4. retain our contact information in regard to use of the base
        !            26:  *    software.
        !            27:  * Permission to distribute the released version of the source code along
        !            28:  * with corresponding source modifications in the form of a patch file is
        !            29:  * granted with same provisions 2 through 4 for binary distributions.
        !            30:  *
        !            31:  * This software is provided "as is" without express or implied warranty
        !            32:  * to the extent permitted by applicable law.
        !            33: ]*/
        !            34:
        !            35: /* prototypes from "alloc.c". This file figures out if the free hack is needed
        !            36:  * and redefines free if necessary.
        !            37:  */
        !            38:
        !            39: char *gp_alloc __PROTO((unsigned long size, char *message));
        !            40: generic *gp_realloc __PROTO((generic *p, unsigned long size, char *message));
        !            41:
        !            42: /* dont define CHECK_HEAP_USE on a FARALLOC machine ! */
        !            43:
        !            44: #ifdef CHECK_HEAP_USE
        !            45:
        !            46: /* all allocated blocks have guards at front and back.
        !            47:  * CHECK_POINTER checks guards on block, and checks that p is in range
        !            48:  * START_LEAK_CHECK and END_LEAK_CHECK allow assert that no net memory
        !            49:  * is allocated within enclosed block
        !            50:  */
        !            51:
        !            52: void checked_free(void *p);
        !            53: void check_pointer_in_block(void *block, void *p, int size, char *file, int line);
        !            54: void start_leak_check(char *file,int line);
        !            55: void end_leak_check(char *file,int line);
        !            56: # define free(x) checked_free(x)
        !            57: # define CHECK_POINTER(block, p) check_pointer_in_block(block, p, sizeof(*p), __FILE__, __LINE__)
        !            58: # define START_LEAK_CHECK() start_leak_check(__FILE__, __LINE__)
        !            59: # define END_LEAK_CHECK() end_leak_check(__FILE__, __LINE__)
        !            60: #else
        !            61: # define CHECK_POINTER(block, p) /*nowt*/
        !            62: # define START_LEAK_CHECK() /*nowt*/
        !            63: # define END_LEAK_CHECK() /*nowt*/
        !            64: #endif
        !            65:
        !            66: #if defined(MSDOS) && defined(__TURBOC__) && !defined(DOSX286) || defined(_Windows) && !defined(WIN32)
        !            67: #define FARALLOC
        !            68: void gpfree __PROTO((generic *p));
        !            69: #define free gpfree
        !            70: #endif