openjpeg/applications/jpip/libopenjpip/placeholder_manager.c

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/*
* $Id: placeholder_manager.c 53 2011-05-09 16:55:39Z kaori $
*
* Copyright (c) 2002-2011, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
* Copyright (c) 2002-2011, Professor Benoit Macq
* Copyright (c) 2010-2011, Kaori Hagihara
* 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "placeholder_manager.h"
#ifdef SERVER
#include "fcgi_stdio.h"
#define logstream FCGI_stdout
#else
#define FCGI_stdout stdout
#define FCGI_stderr stderr
#define logstream stderr
#endif //SERVER
placeholderlist_param_t * gene_placeholderlist()
{
placeholderlist_param_t *list;
list = (placeholderlist_param_t *)malloc( sizeof(placeholderlist_param_t));
list->first = NULL;
list->last = NULL;
return list;
}
void delete_placeholderlist( placeholderlist_param_t **list)
{
placeholder_param_t *ptr, *next;
if(!(*list))
return;
ptr = (*list)->first;
while( ptr){
next=ptr->next;
delete_placeholder( &ptr);
ptr=next;
}
free( *list);
}
placeholder_param_t * gene_placeholder( box_param_t *box, int origID)
{
placeholder_param_t *placeholder;
placeholder = (placeholder_param_t *)malloc( sizeof(placeholder_param_t));
strncpy( placeholder->TBox, "phld", 4);
placeholder->Flags = 1; // only the access to the original contents of this box, for now
placeholder->OrigID = origID;
placeholder->OrigBH = fetch_headbytes( box);
placeholder->OrigBHlen = box->headlen;
placeholder->LBox = 20+box->headlen;
placeholder->next = NULL;
return placeholder;
}
void delete_placeholder( placeholder_param_t **placeholder)
{
if( (*placeholder)->OrigBH)
free((*placeholder)->OrigBH);
free(*placeholder);
}
void insert_placeholder_into_list( placeholder_param_t *phld, placeholderlist_param_t *phldlist)
{
if( phldlist->first)
phldlist->last->next = phld;
else
phldlist->first = phld;
phldlist->last = phld;
}
void print_placeholder( placeholder_param_t *phld)
{
int i;
fprintf( logstream, "placeholder info:\n");
fprintf( logstream, "\t LBox: %d %#x\n", phld->LBox, phld->LBox);
fprintf( logstream, "\t TBox: %.4s\n", phld->TBox);
fprintf( logstream, "\t Flags: %#x %#x\n", phld->Flags, phld->Flags);
fprintf( logstream, "\t OrigID: %lld\n", phld->OrigID);
fprintf( logstream, "\t OrigBH: ");
for( i=0; i< phld->OrigBHlen; i++)
fprintf( logstream, "%02x ", phld->OrigBH[i]);
fprintf( logstream, "\t");
for( i=0; i< phld->OrigBHlen; i++)
fprintf( logstream, "%c", phld->OrigBH[i]);
fprintf( logstream, "\n");
}
void print_allplaceholder( placeholderlist_param_t *list)
{
placeholder_param_t *ptr;
if( !list)
return;
fprintf( logstream, "all placeholder info: \n");
ptr = list->first;
while( ptr != NULL){
print_placeholder( ptr);
ptr=ptr->next;
}
}