diff options
Diffstat (limited to 'include/usb.h')
| -rw-r--r-- | include/usb.h | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/include/usb.h b/include/usb.h index 0008a9a..074e0f1 100644 --- a/include/usb.h +++ b/include/usb.h @@ -234,15 +234,18 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate); #define swap_32(x) ((unsigned long)(x)) #else #define swap_16(x) \ - ((unsigned short)( \ - (((unsigned short)(x) & (unsigned short)0x00ffU) << 8) | \ - (((unsigned short)(x) & (unsigned short)0xff00U) >> 8) )) + ({ unsigned short x_ = (unsigned short)x; \ + (unsigned short)( \ + ((x_ & 0x00FFU) << 8) | ((x_ & 0xFF00U) >> 8) ); \ + }) #define swap_32(x) \ - ((unsigned long)( \ - (((unsigned long)(x) & (unsigned long)0x000000ffUL) << 24) | \ - (((unsigned long)(x) & (unsigned long)0x0000ff00UL) << 8) | \ - (((unsigned long)(x) & (unsigned long)0x00ff0000UL) >> 8) | \ - (((unsigned long)(x) & (unsigned long)0xff000000UL) >> 24) )) + ({ unsigned long x_ = (unsigned long)x; \ + (unsigned long)( \ + ((x_ & 0x000000FFUL) << 24) | \ + ((x_ & 0x0000FF00UL) << 8) | \ + ((x_ & 0x00FF0000UL) >> 8) | \ + ((x_ & 0xFF000000UL) >> 24) ); \ + }) #endif /* LITTLEENDIAN */ /* |