/usr/include/opencv2/flann/logger.h is in libopencv-flann-dev 3.2.0+dfsg-4build2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 | /***********************************************************************
* Software License Agreement (BSD License)
*
* Copyright 2008-2009 Marius Muja (mariusm@cs.ubc.ca). All rights reserved.
* Copyright 2008-2009 David G. Lowe (lowe@cs.ubc.ca). All rights reserved.
*
* THE BSD LICENSE
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*************************************************************************/
#ifndef OPENCV_FLANN_LOGGER_H
#define OPENCV_FLANN_LOGGER_H
#include <stdio.h>
#include <stdarg.h>
#include "defines.h"
namespace cvflann
{
class Logger
{
Logger() : stream(stdout), logLevel(FLANN_LOG_WARN) {}
~Logger()
{
if ((stream!=NULL)&&(stream!=stdout)) {
fclose(stream);
}
}
static Logger& instance()
{
static Logger logger;
return logger;
}
void _setDestination(const char* name)
{
if (name==NULL) {
stream = stdout;
}
else {
stream = fopen(name,"w");
if (stream == NULL) {
stream = stdout;
}
}
}
int _log(int level, const char* fmt, va_list arglist)
{
if (level > logLevel ) return -1;
int ret = vfprintf(stream, fmt, arglist);
return ret;
}
public:
/**
* Sets the logging level. All messages with lower priority will be ignored.
* @param level Logging level
*/
static void setLevel(int level) { instance().logLevel = level; }
/**
* Sets the logging destination
* @param name Filename or NULL for console
*/
static void setDestination(const char* name) { instance()._setDestination(name); }
/**
* Print log message
* @param level Log level
* @param fmt Message format
* @return
*/
static int log(int level, const char* fmt, ...)
{
va_list arglist;
va_start(arglist, fmt);
int ret = instance()._log(level,fmt,arglist);
va_end(arglist);
return ret;
}
#define LOG_METHOD(NAME,LEVEL) \
static int NAME(const char* fmt, ...) \
{ \
va_list ap; \
va_start(ap, fmt); \
int ret = instance()._log(LEVEL, fmt, ap); \
va_end(ap); \
return ret; \
}
LOG_METHOD(fatal, FLANN_LOG_FATAL)
LOG_METHOD(error, FLANN_LOG_ERROR)
LOG_METHOD(warn, FLANN_LOG_WARN)
LOG_METHOD(info, FLANN_LOG_INFO)
private:
FILE* stream;
int logLevel;
};
}
#endif //OPENCV_FLANN_LOGGER_H
|