Eagle import: improve rot field parsing.

common/io/eagle/eagle_parser.cpp

@@ -407,11 +407,29 @@ EROT Convert<EROT>( const wxString& aRot )
 
     value.spin    = aRot.find( 'S' ) != aRot.npos;
     value.mirror  = aRot.find( 'M' ) != aRot.npos;
-    value.degrees = strtod( aRot.c_str()
-                            + 1                        // skip leading 'R'
-                            + int( value.spin )       // skip optional leading 'S'
-                            + int( value.mirror ),    // skip optional leading 'M'
-                            nullptr );
+
+    size_t rPos = aRot.find( 'R' );
+
+    if( rPos == wxString::npos )
+    {
+        value.degrees = 0.0;
+        return value;
+    }
+
+    // Calculate the offset after 'R', 'S', and 'M'
+    size_t offset;
+
+    for( offset = 0; offset < aRot.size(); offset++ )
+    {
+        if( wxIsdigit( aRot[offset] ) )
+            break;
+    }
+
+    wxString degreesStr = aRot.Mid( offset );
+
+    // Use locale-independent conversion
+    if( !degreesStr.ToCDouble( &value.degrees ) )
+        value.degrees = 0.0;
 
     return value;
 }