Name
bitmap_from_u32array —
copy the contents of a u32 array of bits to bitmap
Synopsis
unsigned int bitmap_from_u32array ( | unsigned long * bitmap, |
| unsigned int nbits, |
| const u32 * buf, |
| unsigned int nwords) ; |
Arguments
bitmap
array of unsigned longs, the destination bitmap, non NULL
nbits
number of bits in bitmap
buf
array of u32 (in host byte order), the source bitmap, non NULL
nwords
number of u32 words in buf
Description
copy min(nbits, 32*nwords) bits from buf
to bitmap
, remaining
bits between nword and nbits in bitmap
(if any) are cleared. In
last word of bitmap
, the bits beyond nbits (if any) are kept
unchanged.
Return the number of bits effectively copied.