RadarLoad

Syntax

struct RadarNetwork *RadarLoad(FILE *fp);

Header

superdarn/radar.h

Library

radar

Description

The RadarLoad function reads information about the radar network from an open stream.

The radar information file is read from the stream pointed to by the argument fp.

Returns

Returns a pointer to a structure containing information about the radar network. On error, a NULL pointer is returned.

Errors

On error, a NULL pointer is returned.

Example

Source Code: RadarLoad.c

/* RadarLoad
   =========
   Author: R.J.Barnes

Copyright (c) 2012 The Johns Hopkins University/Applied Physics Laboratory

This file is part of the Radar Software Toolkit (RST).

RST is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.

Modifications:


*/


#include <stdio.h>
#include <stdlib.h>

#include "rtypes.h"
#include "radar.h"

struct RadarNetwork *network; 

int main(int argc,char *argv[]) {
  char *envstr;
  FILE *fp;
  char *code=NULL;
  int st;

  envstr=getenv("SD_RADAR");
  if (envstr==NULL) {
    fprintf(stderr,"Environment variable 'SD_RADAR' must be defined.'n");
    exit(-1);
  }

  fp=fopen(envstr,"r");

  if (fp==NULL) {
    fprintf(stderr,"Could not locate radar information file.'n");
    exit(-1);
  }

  network=RadarLoad(fp);
  fclose(fp); 
  if (network==NULL) {
    fprintf(stderr,"Failed to read radar information.'n");
    exit(-1);
  }
  
  code=argv[argc-1];

  st=RadarGetID(network,code);

  fprintf(stdout,"RadarLoad'n");
  fprintf(stdout,"%s=%d'n",code,st);

  return 0;
}