From c7f612cdf091def01454e7e132c7d7a3f419fbc4 Mon Sep 17 00:00:00 2001 From: Akinobu Mita Date: Sun, 26 Mar 2006 01:39:11 -0800 Subject: [PATCH] bitops: generic find_{next,first}{,_zero}_bit() This patch introduces the C-language equivalents of the functions below: unsigned logn find_next_bit(const unsigned long *addr, unsigned long size, unsigned long offset); unsigned long find_next_zero_bit(const unsigned long *addr, unsigned long size, unsigned long offset); unsigned long find_first_zero_bit(const unsigned long *addr, unsigned long size); unsigned long find_first_bit(const unsigned long *addr, unsigned long size); In include/asm-generic/bitops/find.h This code largely copied from: arch/powerpc/lib/bitops.c Signed-off-by: Akinobu Mita Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/asm-generic/bitops/find.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 include/asm-generic/bitops/find.h (limited to 'include/asm-generic') diff --git a/include/asm-generic/bitops/find.h b/include/asm-generic/bitops/find.h new file mode 100644 index 000000000000..72a51e5a12ef --- /dev/null +++ b/include/asm-generic/bitops/find.h @@ -0,0 +1,13 @@ +#ifndef _ASM_GENERIC_BITOPS_FIND_H_ +#define _ASM_GENERIC_BITOPS_FIND_H_ + +extern unsigned long find_next_bit(const unsigned long *addr, unsigned long + size, unsigned long offset); + +extern unsigned long find_next_zero_bit(const unsigned long *addr, unsigned + long size, unsigned long offset); + +#define find_first_bit(addr, size) find_next_bit((addr), (size), 0) +#define find_first_zero_bit(addr, size) find_next_zero_bit((addr), (size), 0) + +#endif /*_ASM_GENERIC_BITOPS_FIND_H_ */ -- cgit v1.2.1