updates

.hadolint.yaml

@@ -4,3 +4,4 @@ ignored:
   - DL3008
   - SC3054
   - SC3044
+  - DL3015

Dockerfile

@@ -5,8 +5,8 @@ RUN set -x && \
     apt-get install -q -o Dpkg::Options::="--force-confnew" -y \
         gcc && \
     cd / && \
-    curl -sSL https://raw.githubusercontent.com/sdr-enthusiasts/docker-adsb-ultrafeeder/main/downloads/distance.c -o /distance.c && \
+    curl -sSL https://raw.githubusercontent.com/sdr-enthusiasts/docker-adsb-ultrafeeder/main/downloads/distance-in-meters.c -o /distance-in-meters.c && \
-    gcc -static distance.c -o distance -lm -Ofast
+    gcc -static distance-in-meters.c -o distance -lm -Ofast
 
 FROM ghcr.io/sdr-enthusiasts/docker-tar1090:latest
 

downloads/distance.c

@@ -1,69 +0,0 @@
-/*
----------------------------------------------------------------------------------------------
-Copyright (C) 2002-2022, Chris Veness
-Adaptations Copyright (C) 2023, John Norrbin (JohnEx)
-Adaptations (C) 2023, Ramon F. Kolb (kx1t)
-
-MIT License:
-
-Permission is hereby granted, free of charge, to any person 
-obtaining a copy of this software and associated documentation
-files (the "Software"), to deal in the Software without 
-restriction, including without limitation the rights to use, 
-copy, modify, merge, publish, distribute, sublicense, and/or 
-sell copies of the Software, and to permit persons to whom the
-Software is furnished to do so, subject to the following 
-conditions:
-
-The above copyright notice and this permission notice shall be
-included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
-OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
-HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
-ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
-THE USE OR OTHER DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------------------------------
-*/
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-
-#define PI 3.14159265
-
-// https://www.movable-type.co.uk/scripts/latlong.html
-double distance(double lat_a, double lon_a, double lat_b, double lon_b)
-{
-
-    double lat_a_scaled = lat_a * (double)PI / 180.0;
-    double lat_b_scaled = lat_b * (double)PI / 180.0;
-    double lat_delta = (lat_b - lat_a) * (double)PI / 180.0;
-    double lon_delta = (lon_b - lon_a) * (double)PI / 180.0;
-
-    double a = sin(lat_delta / 2.0) * sin(lat_delta / 2.0) + cos(lat_a_scaled) * cos(lat_b_scaled) * sin(lon_delta / 2.0) * sin(lon_delta / 2.0);
-    double c = 2.0 * atan2(sqrt(a), sqrt(1.0 - a));
-
-    return 6372797.56085 * c;
-}
-
-
-int main(int argc, char *argv[])
-{
-    if (argc != 5)
-    {
-        printf("Usage: distance lat1 lon1 lat2 lon2\n");
-        return 1;
-    }
-
-    double lat1 = atof(argv[1]);
-    double lon1 = atof(argv[2]);
-    double lat2 = atof(argv[3]);
-    double lon2 = atof(argv[4]);
-
-    double d = distance(lat1, lon1, lat2, lon2);
-    printf("%f\n", d);
-    return 0;
-}