From: Uwe Hermann <redacted>
Date: Sun, 19 Apr 2015 17:18:05 +0000 (+0200)
Subject: sp_get_port_usb_vid_pid(): Document that usb_vid/usb_pid can be NULL.
X-Git-Tag: libserialport-0.1.1~45
X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=9eb9f07130243f0cf5f2ce6a6ae295001eda1c8b;p=libserialport.git

sp_get_port_usb_vid_pid(): Document that usb_vid/usb_pid can be NULL.
---

diff --git a/libserialport.h.in b/libserialport.h.in
index 43d7ee7..c37c1ca 100644
--- a/libserialport.h.in
+++ b/libserialport.h.in
@@ -446,8 +446,10 @@ enum sp_return sp_get_port_usb_bus_address(const struct sp_port *port,
  * Get the USB Vendor ID and Product ID of a USB serial adapter port.
  *
  * @param[in] port Pointer to a port structure. Must not be NULL.
- * @param[out] usb_vid Pointer to a variable to store the USB VID. Must not be NULL.
- * @param[out] usb_pid Pointer to a variable to store the USB PID. Must not be NULL.
+ * @param[out] usb_vid Pointer to a variable to store the USB VID.
+ *                     Can be NULL (in that case it will be ignored).
+ * @param[out] usb_pid Pointer to a variable to store the USB PID.
+ *                     Can be NULL (in that case it will be ignored).
  *
  * @return SP_OK upon success, a negative error code otherwise.
  *