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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,
     43                                           sizeof(opj_procedure_list_t));
     44     if (! l_validation) {
     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,
     50                                  sizeof(opj_procedure));
     51     if (! l_validation->m_procedures) {
     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         return;
     62     }
     63     /* initialization */
     64     if (p_list->m_procedures) {
     65         opj_free(p_list->m_procedures);
     66     }
     67     opj_free(p_list);
     68 }
     69 
     70 OPJ_BOOL opj_procedure_list_add_procedure(opj_procedure_list_t *
     71         p_validation_list, opj_procedure p_procedure, opj_event_mgr_t* p_manager)
     72 {
     73 
     74     assert(p_manager != NULL);
     75 
     76     if (p_validation_list->m_nb_max_procedures ==
     77             p_validation_list->m_nb_procedures) {
     78         opj_procedure * new_procedures;
     79 
     80         p_validation_list->m_nb_max_procedures += OPJ_VALIDATION_SIZE;
     81         new_procedures = (opj_procedure*)opj_realloc(
     82                              p_validation_list->m_procedures,
     83                              p_validation_list->m_nb_max_procedures * sizeof(opj_procedure));
     84         if (! new_procedures) {
     85             opj_free(p_validation_list->m_procedures);
     86             p_validation_list->m_nb_max_procedures = 0;
     87             p_validation_list->m_nb_procedures = 0;
     88             opj_event_msg(p_manager, EVT_ERROR,
     89                           "Not enough memory to add a new validation procedure\n");
     90             return OPJ_FALSE;
     91         } else {
     92             p_validation_list->m_procedures = new_procedures;
     93         }
     94     }
     95     p_validation_list->m_procedures[p_validation_list->m_nb_procedures] =
     96         p_procedure;
     97     ++p_validation_list->m_nb_procedures;
     98 
     99     return OPJ_TRUE;
    100 }
    101 
    102 OPJ_UINT32 opj_procedure_list_get_nb_procedures(opj_procedure_list_t *
    103         p_validation_list)
    104 {
    105     return p_validation_list->m_nb_procedures;
    106 }
    107 
    108 opj_procedure* opj_procedure_list_get_first_procedure(opj_procedure_list_t *
    109         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