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src/Source/LibOpenJPEG/function_list.c  view on Meta::CPAN

#include "opj_includes.h"

/**
 * Default size of the validation list, if not sufficient, data will be reallocated with a double size.
 */
#define OPJ_VALIDATION_SIZE 10

opj_procedure_list_t *  opj_procedure_list_create()
{
        /* memory allocation */
        opj_procedure_list_t * l_validation = (opj_procedure_list_t *) opj_malloc(sizeof(opj_procedure_list_t));
        if (! l_validation)
        {
                return 00;
        }
        /* initialization */
        memset(l_validation,0,sizeof(opj_procedure_list_t));
        l_validation->m_nb_max_procedures = OPJ_VALIDATION_SIZE;
        l_validation->m_procedures = (opj_procedure*)opj_malloc(
                OPJ_VALIDATION_SIZE * sizeof(opj_procedure));
        if (! l_validation->m_procedures)
        {
                opj_free(l_validation);
                return 00;
        }
        memset(l_validation->m_procedures,0,OPJ_VALIDATION_SIZE * sizeof(opj_procedure));
        return l_validation;
}

void  opj_procedure_list_destroy(opj_procedure_list_t * p_list)
{
        if (! p_list)
        {
                return;
        }
        /* initialization */
        if (p_list->m_procedures)
        {
                opj_free(p_list->m_procedures);
        }
        opj_free(p_list);
}

OPJ_BOOL opj_procedure_list_add_procedure (opj_procedure_list_t * p_validation_list, opj_procedure p_procedure)
{
        if (p_validation_list->m_nb_max_procedures == p_validation_list->m_nb_procedures)
        {
                opj_procedure * new_procedures;

                p_validation_list->m_nb_max_procedures += OPJ_VALIDATION_SIZE;
                new_procedures = (opj_procedure*)opj_realloc(
                        p_validation_list->m_procedures,
                        p_validation_list->m_nb_max_procedures * sizeof(opj_procedure));
                if (! new_procedures)
                {
                        opj_free(p_validation_list->m_procedures);
                        p_validation_list->m_nb_max_procedures = 0;
                        p_validation_list->m_nb_procedures = 0;
                        /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add a new validation procedure\n"); */
                        fprintf(stderr, "Not enough memory to add a new validation procedure\n");
                        
                        return OPJ_FALSE;
                }
                else
                {
                        p_validation_list->m_procedures = new_procedures;
                }
        }
        p_validation_list->m_procedures[p_validation_list->m_nb_procedures] = p_procedure;
        ++p_validation_list->m_nb_procedures;

        return OPJ_TRUE;
}

OPJ_UINT32 opj_procedure_list_get_nb_procedures (opj_procedure_list_t * p_validation_list)
{
        return p_validation_list->m_nb_procedures;
}

opj_procedure* opj_procedure_list_get_first_procedure (opj_procedure_list_t * p_validation_list)
{
        return p_validation_list->m_procedures;
}

void opj_procedure_list_clear (opj_procedure_list_t * p_validation_list)
{
        p_validation_list->m_nb_procedures = 0;
}