nuttx-apps/graphics/traveler/tools/libwld/wld_loadplanefile.c
2016-11-11 14:17:05 -06:00

81 lines
3.0 KiB
C

/****************************************************************************
* apps/graphics/traveler/tools/libwld/wld_loadplanefile.c
* This file contains the logic to load the selected plane file by filename.
*
* Copyright (C) 2016 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* 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.
*
****************************************************************************/
/*************************************************************************
* Included files
*************************************************************************/
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include "wld_plane.h"
/*************************************************************************
* Public Functions
*************************************************************************/
/*************************************************************************
* Name: wld_load_planefile
* Description:
* This function opens the input file and loads the world data from it
************************************************************************/
uint8_t wld_load_planefile(const char *wldfile)
{
FILE *fp;
uint8_t result;
/* Open the map file which contains the description of the world */
fp = fopen(wldfile, "rb");
if (fp == NULL)
{
fprintf(stderr, "ERROR: Could not open map file=\"%s\": %s\n",
wldfile, strerror(errno));
return PLANE_READ_OPEN_ERROR;
}
/* Load the world data from the file */
result = wld_load_planes(fp);
/* Close the file */
fclose(fp);
return result;
}