descriptor: Small clarifications with no behaviour change

All the right hand side is `dev_cap`, change one outlier to match. Also clarify the relationships between some magic numbers. No change in behaviour here.
libusb · May 28, 2024 · 678c812 · 678c812
1 parent 016a0de
commit 678c812
Show file tree

Hide file tree

Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/libusb/descriptor.c b/libusb/descriptor.c
@@ -1208,11 +1208,11 @@ int API_EXPORTED libusb_get_platform_descriptor(libusb_context *ctx,
  _platform_descriptor->bReserved = dev_cap->dev_capability_data[0];
  memcpy(_platform_descriptor->PlatformCapabilityUUID, &(dev_cap->dev_capability_data[1]), 16);
 
- /* Capability data is located after reserved byte and 128-bit UUID */
+ /* Capability data is located after reserved byte and 16 byte UUID */
  uint8_t* capability_data = dev_cap->dev_capability_data + 1 + 16;
 
  /* Capability data length is total descriptor length minus initial fields */
- size_t capability_data_length = _platform_descriptor->bLength - (16 + 4);
+ size_t capability_data_length = dev_cap->bLength - (3 + 1 + 16);
 
  memcpy(_platform_descriptor->CapabilityData, capability_data, capability_data_length);
 

diff --git a/libusb/version_nano.h b/libusb/version_nano.h
@@ -1 +1 @@
-#define LIBUSB_NANO 11910
+#define LIBUSB_NANO 11911