From 8af8dd4a0c47aca78a6eac8b4afe53ec9df2c6be Mon Sep 17 00:00:00 2001
From: Yuval Adam <_@yuv.al>
Date: Thu, 26 Jul 2018 18:13:45 +0300
Subject: Extract libusb context to a longer living lifetime

This is due to a limitation where we can't hold a struct that has both
the context and a device handle (that internally references back to it).
The libusb context has to outlive the device handle.

Github issue:

https://github.com/dcuddeback/libusb-rs/issues/3

Example solution via IRC:

https://play.rust-lang.org/?gist=c68bda27266249c781e6335c4127f301&version=stable&mode=debug&edition=2015
---
 src/main.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/main.rs')

diff --git a/src/main.rs b/src/main.rs
index e1dfc5d..1bdade5 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -6,6 +6,7 @@ use lib::RtlSdr;
 
 fn main() {
     println!("Running");
-    let mut rtlsdr = RtlSdr::new();
+    let ctx = libusb::Context::new().unwrap();
+    let mut rtlsdr = RtlSdr::new(&ctx);
     rtlsdr.init();
 }
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