2 * $Id: alloc.h,v 1.9 2004/07/01 17:10:03 broeker Exp $
5 /* GNUPLOT - alloc.h */
8 * Copyright 1986 - 1993, 1998, 2004 Thomas Williams, Colin Kelley
10 * Permission to use, copy, and distribute this software and its
11 * documentation for any purpose with or without fee is hereby granted,
12 * provided that the above copyright notice appear in all copies and
13 * that both that copyright notice and this permission notice appear
14 * in supporting documentation.
16 * Permission to modify the software is granted, but not the right to
17 * distribute the complete modified source code. Modifications are to
18 * be distributed as patches to the released version. Permission to
19 * distribute binaries produced by compiling modified sources is granted,
21 * 1. distribute the corresponding source modifications from the
22 * released version in the form of a patch file along with the binaries,
23 * 2. add special version identification to distinguish your version
24 * in addition to the base release version number,
25 * 3. provide your name and address as the primary contact for the
26 * support of your modified version, and
27 * 4. retain our contact information in regard to use of the base
29 * Permission to distribute the released version of the source code along
30 * with corresponding source modifications in the form of a patch file is
31 * granted with same provisions 2 through 4 for binary distributions.
33 * This software is provided "as is" without express or implied warranty
34 * to the extent permitted by applicable law.
37 #ifndef GNUPLOT_ALLOC_H
38 # define GNUPLOT_ALLOC_H
46 /* prototypes from "alloc.c". This file figures out if the free hack is needed
47 * and redefines free if necessary.
50 generic *gp_alloc __PROTO((size_t size, const char *message));
51 generic *gp_realloc __PROTO((generic *p, size_t size, const char *message));
53 /* dont define CHECK_HEAP_USE on a FARALLOC machine ! */
57 /* all allocated blocks have guards at front and back.
58 * CHECK_POINTER checks guards on block, and checks that p is in range
59 * START_LEAK_CHECK and END_LEAK_CHECK allow assert that no net memory
60 * is allocated within enclosed block
63 void checked_free(void *p);
64 void check_pointer_in_block(void *block, void *p, int size, char *file, int line);
65 void start_leak_check(char *file,int line);
66 void end_leak_check(char *file,int line);
67 # define free(x) checked_free(x)
68 # define CHECK_POINTER(block, p) check_pointer_in_block(block, p, sizeof(*p), __FILE__, __LINE__)
69 # define START_LEAK_CHECK() start_leak_check(__FILE__, __LINE__)
70 # define END_LEAK_CHECK() end_leak_check(__FILE__, __LINE__)
72 # define CHECK_POINTER(block, p) /*nowt*/
73 # define START_LEAK_CHECK() /*nowt*/
74 # define END_LEAK_CHECK() /*nowt*/
77 #if defined(MSDOS) && defined(__TURBOC__) && !defined(DOSX286) || defined(_Windows) && !defined(WIN32)
79 void gpfree __PROTO((generic *p));
83 #endif /* GNUPLOT_ALLOC_H */