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authordan miller2007-10-18 08:29:49 +0000
committerdan miller2007-10-18 08:29:49 +0000
commitcc07c64bdef46f4d25c2203e874f91ee94583f56 (patch)
tree004c68e8d8813ff1addfd9749e3dbdc6ff4432a9 /libraries/openjpeg-libsl/libopenjpeg/j2k_lib.c
parenthmm... trying again to get everything committed (diff)
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one more time
Diffstat (limited to 'libraries/openjpeg-libsl/libopenjpeg/j2k_lib.c')
-rw-r--r--libraries/openjpeg-libsl/libopenjpeg/j2k_lib.c76
1 files changed, 76 insertions, 0 deletions
diff --git a/libraries/openjpeg-libsl/libopenjpeg/j2k_lib.c b/libraries/openjpeg-libsl/libopenjpeg/j2k_lib.c
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1/*
2 * Copyright (c) 2005, Hervé Drolon, FreeImage Team
3 * All rights reserved.
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 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
15 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
18 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
20 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
22 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
23 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
24 * POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#ifdef WIN32
28#include <windows.h>
29#else
30#include <sys/time.h>
31#include <sys/resource.h>
32#include <sys/times.h>
33#endif /* WIN32 */
34#include "opj_includes.h"
35
36double opj_clock() {
37#ifdef WIN32
38 /* WIN32: use QueryPerformance (very accurate) */
39 LARGE_INTEGER freq , t ;
40 /* freq is the clock speed of the CPU */
41 QueryPerformanceFrequency(&freq) ;
42 /* cout << "freq = " << ((double) freq.QuadPart) << endl; */
43 /* t is the high resolution performance counter (see MSDN) */
44 QueryPerformanceCounter ( & t ) ;
45 return ( t.QuadPart /(double) freq.QuadPart ) ;
46#else
47 /* Unix or Linux: use resource usage */
48 struct rusage t;
49 double procTime;
50 /* (1) Get the rusage data structure at this moment (man getrusage) */
51 getrusage(0,&t);
52 /* (2) What is the elapsed time ? - CPU time = User time + System time */
53 /* (2a) Get the seconds */
54 procTime = t.ru_utime.tv_sec + t.ru_stime.tv_sec;
55 /* (2b) More precisely! Get the microseconds part ! */
56 return ( procTime + (t.ru_utime.tv_usec + t.ru_stime.tv_usec) * 1e-6 ) ;
57#endif
58}
59
60void* opj_malloc( size_t size ) {
61 void *memblock = malloc(size);
62 if(memblock) {
63 memset(memblock, 0, size);
64 }
65 return memblock;
66}
67
68void* opj_realloc( void *memblock, size_t size ) {
69 return realloc(memblock, size);
70}
71
72void opj_free( void *memblock ) {
73 free(memblock);
74}
75
76