tables.c

Go to the documentation of this file.

#include "tables.h"
#include "section.h"


DxfTables *
dxf_tables_new ()
{
#if DEBUG
        DXF_DEBUG_BEGIN
#endif
        DxfTables *tables = NULL;
        size_t size;

        size = sizeof (DxfTables);
        /* avoid malloc of 0 bytes */
        if (size == 0) size = 1;
        if ((tables = malloc (size)) == NULL)
        {
                fprintf (stderr,
                  (_("Error in %s () could not allocate memory for a DxfTables struct.\n")),
                  __FUNCTION__);
                tables = NULL;
        }
        else
        {
                memset (tables, 0, size);
        }
#if DEBUG
        DXF_DEBUG_END
#endif
        return (tables);
}


DxfTables *
dxf_tables_init
(
        DxfTables *tables
)
{
#if DEBUG
        DXF_DEBUG_BEGIN
#endif
        /* Do some basic checks. */
        if (tables == NULL)
        {
                fprintf (stderr,
                  (_("Warning in %s () a NULL pointer was passed.\n")),
                  __FUNCTION__);
                tables = dxf_tables_new ();
        }
        if (tables == NULL)
        {
                fprintf (stderr,
                  (_("Error in %s () could not allocate memory for a DxfTables struct.\n")),
                  __FUNCTION__);
                return (NULL);
        }
        tables->max_table_entries = 0;
        tables->appids = NULL;
        tables->block_records = NULL;
        tables->dimstyles = NULL;
        tables->layers = NULL;
        tables->ltypes = NULL;
        tables->styles = NULL;
        tables->ucss = NULL;
        tables->views = NULL;
        tables->vports = NULL;
#if DEBUG
        DXF_DEBUG_END
#endif
        return (tables);
}


int
dxf_tables_write
(
        DxfFile *fp,
        DxfTables *tables
)
{
#if DEBUG
        DXF_DEBUG_BEGIN
#endif
        char *dxf_section_name = strdup ("TABLES");

        /* Do some basic checks. */
        if (fp == NULL)
        {
                fprintf (stderr,
                  (_("Error in %s () a NULL file pointer was passed.\n")),
                  __FUNCTION__);
                /* Clean up. */
                free (dxf_section_name);
                return (EXIT_FAILURE);
        }
        dxf_section_write (fp, dxf_section_name);
        dxf_endsec_write (fp);
#if DEBUG
        DXF_DEBUG_END
#endif
        return (EXIT_SUCCESS);
}


int
dxf_tables_free
(
        DxfTables *tables
)
{
#if DEBUG
        DXF_DEBUG_BEGIN
#endif
        if (tables == NULL)
        {
                fprintf (stderr,
                  (_("Error in %s () a NULL pointer was passed.\n")),
                  __FUNCTION__);
                return (EXIT_FAILURE);
        }
        free (tables->appids);
        free (tables->block_records);
        free (tables->dimstyles);
        free (tables->layers);
        free (tables->ltypes);
        free (tables->styles);
        free (tables->ucss);
        free (tables->views);
        free (tables->vports);
        tables = NULL;
#if DEBUG
        DXF_DEBUG_END
#endif
        return (EXIT_SUCCESS);
}


/* EOF */