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      1 /*
      2  * The copyright in this software is being made available under the 2-clauses
      3  * BSD License, included below. This software may be subject to other third
      4  * party and contributor rights, including patent rights, and no such rights
      5  * are granted under this license.
      6  *
      7  * Copyright (c) 2008, Jerome Fimes, Communications & Systemes <jerome.fimes (at) c-s.fr>
      8  * All rights reserved.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
     20  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
     23  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include "opj_includes.h"
     33 
     34 /**
     35  * Default size of the validation list, if not sufficient, data will be reallocated with a double size.
     36  */
     37 #define OPJ_VALIDATION_SIZE 10
     38 
     39 opj_procedure_list_t *  opj_procedure_list_create()
     40 {
     41         /* memory allocation */
     42         opj_procedure_list_t * l_validation = (opj_procedure_list_t *) opj_calloc(1,sizeof(opj_procedure_list_t));
     43         if (! l_validation)
     44         {
     45                 return 00;
     46         }
     47         /* initialization */
     48         l_validation->m_nb_max_procedures = OPJ_VALIDATION_SIZE;
     49         l_validation->m_procedures = (opj_procedure*)opj_calloc(OPJ_VALIDATION_SIZE, sizeof(opj_procedure));
     50         if (! l_validation->m_procedures)
     51         {
     52                 opj_free(l_validation);
     53                 return 00;
     54         }
     55         return l_validation;
     56 }
     57 
     58 void  opj_procedure_list_destroy(opj_procedure_list_t * p_list)
     59 {
     60         if (! p_list)
     61         {
     62                 return;
     63         }
     64         /* initialization */
     65         if (p_list->m_procedures)
     66         {
     67                 opj_free(p_list->m_procedures);
     68         }
     69         opj_free(p_list);
     70 }
     71 
     72 OPJ_BOOL opj_procedure_list_add_procedure (opj_procedure_list_t * p_validation_list, opj_procedure p_procedure, opj_event_mgr_t* p_manager )
     73 {
     74 
     75         assert(p_manager != NULL);
     76 
     77         if (p_validation_list->m_nb_max_procedures == p_validation_list->m_nb_procedures)
     78         {
     79                 opj_procedure * new_procedures;
     80 
     81                 p_validation_list->m_nb_max_procedures += OPJ_VALIDATION_SIZE;
     82                 new_procedures = (opj_procedure*)opj_realloc(
     83                         p_validation_list->m_procedures,
     84                         p_validation_list->m_nb_max_procedures * sizeof(opj_procedure));
     85                 if (! new_procedures)
     86                 {
     87                         opj_free(p_validation_list->m_procedures);
     88                         p_validation_list->m_nb_max_procedures = 0;
     89                         p_validation_list->m_nb_procedures = 0;
     90                         opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add a new validation procedure\n");
     91                         return OPJ_FALSE;
     92                 }
     93                 else
     94                 {
     95                         p_validation_list->m_procedures = new_procedures;
     96                 }
     97         }
     98         p_validation_list->m_procedures[p_validation_list->m_nb_procedures] = p_procedure;
     99         ++p_validation_list->m_nb_procedures;
    100 
    101         return OPJ_TRUE;
    102 }
    103 
    104 OPJ_UINT32 opj_procedure_list_get_nb_procedures (opj_procedure_list_t * p_validation_list)
    105 {
    106         return p_validation_list->m_nb_procedures;
    107 }
    108 
    109 opj_procedure* opj_procedure_list_get_first_procedure (opj_procedure_list_t * p_validation_list)
    110 {
    111         return p_validation_list->m_procedures;
    112 }
    113 
    114 void opj_procedure_list_clear (opj_procedure_list_t * p_validation_list)
    115 {
    116         p_validation_list->m_nb_procedures = 0;
    117 }
    118