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/*
* The copyright in this software is being made available under the 2-clauses
* BSD License, included below. This software may be subject to other third
* party and contributor rights, including patent rights, and no such rights
* are granted under this license.
*
* Copyright (c) 2005, Herve Drolon, FreeImage Team
* Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR
* Copyright (c) 2012, CS Systemes d'Information, France
* All rights reserved.
*
* 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 COPYRIGHT HOLDERS AND CONTRIBUTORS `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 COPYRIGHT OWNER OR CONTRIBUTORS 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.
*/
#include "opj_includes.h"
/* ==========================================================
Utility functions
==========================================================*/
#ifdef OPJ_CODE_NOT_USED
#ifndef _WIN32
static char*
i2a(unsigned i, char *a, unsigned r)
{
if (i / r > 0) {
a = i2a(i / r, a, r);
}
*a = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"[i % r];
return a + 1;
}
/**
Transforms integer i into an ascii string and stores the result in a;
string is encoded in the base indicated by r.
@param i Number to be converted
@param a String result
@param r Base of value; must be in the range 2 - 36
@return Returns a
*/
static char *
_itoa(int i, char *a, int r)
{
r = ((r < 2) || (r > 36)) ? 10 : r;
if (i < 0) {
*a = '-';
*i2a(-i, a + 1, r) = 0;
} else {
*i2a(i, a, r) = 0;
}
return a;
}
#endif /* !_WIN32 */
#endif
/* ----------------------------------------------------------------------- */
/**
* Default callback function.
* Do nothing.
*/
static void opj_default_callback(const char *msg, void *client_data)
{
OPJ_ARG_NOT_USED(msg);
OPJ_ARG_NOT_USED(client_data);
}
/* ----------------------------------------------------------------------- */
/* ----------------------------------------------------------------------- */
OPJ_BOOL opj_event_msg(opj_event_mgr_t* p_event_mgr, OPJ_INT32 event_type,
const char *fmt, ...)
{
#define OPJ_MSG_SIZE 512 /* 512 bytes should be more than enough for a short message */
opj_msg_callback msg_handler = 00;
void * l_data = 00;
if (p_event_mgr != 00) {
switch (event_type) {
case EVT_ERROR:
msg_handler = p_event_mgr->error_handler;
l_data = p_event_mgr->m_error_data;
break;
case EVT_WARNING:
msg_handler = p_event_mgr->warning_handler;
l_data = p_event_mgr->m_warning_data;
break;
case EVT_INFO:
msg_handler = p_event_mgr->info_handler;
l_data = p_event_mgr->m_info_data;
break;
default:
break;
}
if (msg_handler == 00) {
return OPJ_FALSE;
}
} else {
return OPJ_FALSE;
}
if ((fmt != 00) && (p_event_mgr != 00)) {
va_list arg;
char message[OPJ_MSG_SIZE];
memset(message, 0, OPJ_MSG_SIZE);
/* initialize the optional parameter list */
va_start(arg, fmt);
/* parse the format string and put the result in 'message' */
vsnprintf(message, OPJ_MSG_SIZE, fmt, arg);
/* force zero termination for Windows _vsnprintf() of old MSVC */
message[OPJ_MSG_SIZE - 1] = '\0';
/* deinitialize the optional parameter list */
va_end(arg);
/* output the message to the user program */
msg_handler(message, l_data);
}
return OPJ_TRUE;
}
void opj_set_default_event_handler(opj_event_mgr_t * p_manager)
{
p_manager->m_error_data = 00;
p_manager->m_warning_data = 00;
p_manager->m_info_data = 00;
p_manager->error_handler = opj_default_callback;
p_manager->info_handler = opj_default_callback;
p_manager->warning_handler = opj_default_callback;
}
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