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- /* $Id: allo_CHECK and END_L98/04/15 19:21:58 lhecking Exp $ */
-
- /* GNUPLOT - alloc.h */
-
- /*[
- * Copyright 1986 - 1993, 1998 Thomas Williams, Colin Kelley
- *
- * Permission to use, copy, and distribute this software and its
- * documentation for any purpose with or without fee is hereby granted,
- * provided that the above copyright notice appear in all copies and
- * that both that copyright notice and this permission notice appear
- * in supporting documentation.
- *
- * Permission to modify the software is granted, but not the right to
- * distribute the complete modified source code. Modifications are to
- * be distributed as patches to the released version. Permission to
- * distribute binaries produced by compiling modified sources is granted,
- * provided you
- * 1. distribute the corresponding source modifications from the
- * released version in the form of a patch file along with the binaries,
- * 2. add special version identification to distinguish your version
- * in addition to the base release version number,
- * 3. provide your name and address as the primary contact for the
- * support of your modified version, and
- * 4. retain our contact information in regard to use of the base
- * software.
- * Permission to distribute the released version of the source code along
- * with corresponding source modifications in the form of a patch file is
- * granted with same provisions 2 through 4 for binary distributions.
- *
- * This software is provided "as is" without express or implied warranty
- * to the extent permitted by applicable law.
- ]*/
-
- /* prototypes from "alloc.c". This file figures out if the free hack is needed
- * and redefines free if necessary.
- */
-
- char *gp_alloc __PROTO((unsigned long size, char *message));
- generic *gp_realloc __PROTO((generic *p, unsigned long size, char *message));
-
- /* dont define CHECK_HEAP_USE on a FARALLOC machine ! */
-
- #ifdef CHECK_HEAP_USE
-
- /* all allocated blocks have guards at front and back.
- * CHECK_POINTER checks guards on block, and checks that p is in range
- * START_LEAK_CHECK and END_LEAK_CHECK allow assert that no net memory
- * is allocated within enclosed block
- */
-
- void checked_free(void *p);
- void check_pointer_in_block(void *block, void *p, int size, char *file, int line);
- void start_leak_check(char *file,int line);
- void end_leak_check(char *file,int line);
- # define free(x) checked_free(x)
- # define CHECK_POINTER(block, p) check_pointer_in_block(block, p, sizeof(*p), __FILE__, __LINE__)
- # define START_LEAK_CHECK() start_leak_check(__FILE__, __LINE__)
- # define END_LEAK_CHECK() end_leak_check(__FILE__, __LINE__)
- #else
- # define CHECK_POINTER(block, p) /*nowt*/
- # define START_LEAK_CHECK() /*nowt*/
- # define END_LEAK_CHECK() /*nowt*/
- #endif
-
- #if defined(MSDOS) && defined(__TURBOC__) && !defined(DOSX286) || defined(_Windows) && !defined(WIN32)
- #define FARALLOC
- void gpfree __PROTO((generic *p));
- #define free gpfree
- #endif
-