From 2deeca86dc95c02f8cb92cbc5a447a4525535215 Mon Sep 17 00:00:00 2001
From: Nonoo <nonoo@nonoo.hu>
Date: Sat, 14 Nov 2020 08:56:37 +0100
Subject: [PATCH] Fix decimal separators which sscanf can't handle

This is a workaround for some apps like Gpredict, which use comma as a decimal
separator (depending on locale settings), but sscanf in Hamlib can only handle
dots.
---
 tests/rotctl_parse.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/tests/rotctl_parse.c b/tests/rotctl_parse.c
index 95f5064a6..63873ad1f 100644
--- a/tests/rotctl_parse.c
+++ b/tests/rotctl_parse.c
@@ -1692,6 +1692,22 @@ declare_proto_rot(set_position)
 {
     azimuth_t az;
     elevation_t el;
+    char *comma_pos;
+
+    /* Fixing args with an invalid decimal separator. */
+    comma_pos = strchr(arg1, ',');
+
+    if (comma_pos)
+    {
+        *comma_pos = '.';
+    }
+
+    comma_pos = strchr(arg2, ',');
+
+    if (comma_pos)
+    {
+        *comma_pos = '.';
+    }
 
     CHKSCN1ARG(sscanf(arg1, "%f", &az));
     CHKSCN1ARG(sscanf(arg2, "%f", &el));