source: zzuf/trunk/src/lib-load.h @ 1699

Last change on this file since 1699 was 1699, checked in by Sam Hocevar, 14 years ago
  • Put either ORIG() or NEW(() around functions, because the naming scheme is likely to change for the Win32 port.
  • Property svn:keywords set to Id
File size: 1.2 KB
Line 
1/*
2 *  zzuf - general purpose fuzzer
3 *  Copyright (c) 2006 Sam Hocevar <sam@zoy.org>
4 *                All Rights Reserved
5 *
6 *  $Id: lib-load.h 1699 2007-01-23 08:45:47Z sam $
7 *
8 *  This program is free software. It comes without any warranty, to
9 *  the extent permitted by applicable law. You can redistribute it
10 *  and/or modify it under the terms of the Do What The Fuck You Want
11 *  To Public License, Version 2, as published by Sam Hocevar. See
12 *  http://sam.zoy.org/wtfpl/COPYING for more details.
13 */
14
15/*
16 *  lib-load.h: preloaded library functions
17 */
18
19/* The __func__ macro to get the current function name */
20#if __STDC_VERSION__ < 199901L
21#   if __GNUC__ >= 2
22#       define __func__ __FUNCTION__
23#   else
24#       define __func__ "<?>"
25#   endif
26#endif
27
28/* Symbol loading stuff */
29#define STR(x) #x
30#define ORIG(x) x##_orig
31#ifdef HAVE_DLFCN_H
32#   define NEW(x) x
33#else
34#   define NEW(x) x##_new
35#endif
36
37/* TODO: do the Win32 part */
38#ifdef HAVE_DLFCN_H
39#   include <dlfcn.h>
40#   define LOADSYM(x) \
41        do { \
42            if(!ORIG(x)) \
43                ORIG(x) = dlsym(RTLD_NEXT, STR(x)); \
44            if(!ORIG(x)) \
45                abort(); \
46        } while(0)
47#else
48#   define LOADSYM(x) \
49        do { \
50            if(!ORIG(x)) \
51                abort(); \
52        } while(0)
53#endif
54
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