usb: use int for completed to match libusb example code

1 files changed, 9 insertions, 8 deletions

diff --git a/host/lib/transport/libusb1_zero_copy.cpp b/host/lib/transport/libusb1_zero_copy.cpp
index 28bff9709..0e6cf94f5 100644
--- a/host/lib/transport/libusb1_zero_copy.cpp
+++ b/host/lib/transport/libusb1_zero_copy.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright 2010-2012 Ettus Research LLC
+// Copyright 2010-2013 Ettus Research LLC
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -43,7 +43,8 @@ static const size_t DEFAULT_XFER_SIZE = 32*512; //bytes
 
 //! helper function: handles all async callbacks
 static void LIBUSB_CALL libusb_async_cb(libusb_transfer *lut){
-    *(static_cast<bool *>(lut->user_data)) = true;
+    int *completed = (int *)lut->user_data;
+    *completed = 1;
 }
 
 /*!
@@ -61,7 +62,7 @@ static void LIBUSB_CALL libusb_async_cb(libusb_transfer *lut){
  * \param completed a reference to the completed flag
  * \return true for completion, false for timeout
  */
-UHD_INLINE bool wait_for_completion(libusb_context *ctx, const double timeout, bool &completed){
+UHD_INLINE bool wait_for_completion(libusb_context *ctx, const double timeout, int &completed){
     //already completed by a previous call?
     if (completed) return true;
 
@@ -96,7 +97,7 @@ public:
         _lut(lut), _frame_size(frame_size) { /* NOP */ }
 
     void release(void){
-        completed = false;
+        completed = 0;
         _lut->length = _frame_size; //always reset length
         UHD_ASSERT_THROW(libusb_submit_transfer(_lut) == 0);
     }
@@ -109,7 +110,7 @@ public:
         return managed_recv_buffer::sptr();
     }
 
-    bool completed;
+    int completed;
 
 private:
     libusb_context *_ctx;
@@ -129,7 +130,7 @@ public:
         _lut(lut), _frame_size(frame_size) { completed = true; }
 
     void release(void){
-        completed = false;
+        completed = 0;
         _lut->length = size();
         UHD_ASSERT_THROW(libusb_submit_transfer(_lut) == 0);
     }
@@ -142,7 +143,7 @@ public:
         return managed_send_buffer::sptr();
     }
 
-    bool completed;
+    int completed;
 
 private:
     libusb_context *_ctx;
@@ -249,7 +250,7 @@ public:
         }
 
         //process all transfers until timeout occurs
-        bool completed = false;
+        int completed = 0;
         wait_for_completion(ctx, 0.01, completed);
 
         //free all transfers