Return meaningful error codes from usbmuxd_connect()

1 files changed, 2 insertions, 1 deletions

diff --git a/include/usbmuxd.h b/include/usbmuxd.h
index 0cb7cab..6d035a2 100644
--- a/include/usbmuxd.h
+++ b/include/usbmuxd.h
@@ -170,7 +170,8 @@ int usbmuxd_get_device(const char *udid, usbmuxd_device_info_t *device, enum usb
  * @param tcp_port TCP port number on device, in range 0-65535.
  *	common values are 62078 for lockdown, and 22 for SSH.
  *
- * @return socket file descriptor of the connection, or -1 on error
+ * @return socket file descriptor of the connection, or a negative errno
+ *    value on error.
  */
 int usbmuxd_connect(const uint32_t handle, const unsigned short tcp_port);