root/liboggz/trunk/src/liboggz/oggz_macros.h

Revision 3199, 2.4 kB (checked in by erikd, 1 year ago)

oggz_macros.h : Add UNUSED and WARN_UNUSED macros.

Line 
1 /*
2    Copyright (C) 2003 Commonwealth Scientific and Industrial Research
3    Organisation (CSIRO) Australia
4
5    Redistribution and use in source and binary forms, with or without
6    modification, are permitted provided that the following conditions
7    are met:
8
9    - Redistributions of source code must retain the above copyright
10    notice, this list of conditions and the following disclaimer.
11
12    - Redistributions in binary form must reproduce the above copyright
13    notice, this list of conditions and the following disclaimer in the
14    documentation and/or other materials provided with the distribution.
15
16    - Neither the name of CSIRO Australia nor the names of its
17    contributors may be used to endorse or promote products derived from
18    this software without specific prior written permission.
19
20    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21    ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
23    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE ORGANISATION OR
24    CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25    EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28    LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #ifndef __OGGZ_MACROS_H__
34 #define __OGGZ_MACROS_H__
35
36 #include <stdlib.h>
37 #include <ogg/ogg.h>
38
39 /* Use the malloc and free used by ogg; defaults are those from stdlib */
40 #define oggz_malloc _ogg_malloc
41 #define oggz_realloc _ogg_realloc
42 #define oggz_free _ogg_free
43
44 #undef MIN
45 #define MIN(a,b) ((a)<(b)?(a):(b))
46
47 #undef MAX
48 #define MAX(a,b) ((a)>(b)?(a):(b))
49
50 /*
51 ** Inspiration : http://sourcefrog.net/weblog/software/languages/C/unused.html
52 */
53 #ifdef UNUSED
54 #elif defined (__GNUC__)
55 #       define UNUSED(x) UNUSED_ ## x __attribute__ ((unused))
56 #elif defined (__LCLINT__)
57 # define UNUSED(x) /*@unused@*/ x
58 #else
59 #       define UNUSED(x) x
60 #endif
61
62 #ifdef __GNUC__
63 #       define WARN_UNUSED      __attribute__ ((warn_unused_result))
64 #else
65 #       define WARN_UNUSED
66 #endif
67
68 #endif /* __OGGZ_MACROS_H__ */
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