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SuSE 11.3 - man page for bitmap_parselist (suse section 9)

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BITMAP_PARSELIST(9)		  Basic Kernel Library Functions	      BITMAP_PARSELIST(9)

NAME
       bitmap_parselist - convert list format ASCII string to bitmap

SYNOPSIS
       int bitmap_parselist(const char * bp, unsigned long * maskp, int nmaskbits);

ARGUMENTS
       bp
	   read nul-terminated user string from this buffer

       maskp
	   write resulting mask here

       nmaskbits
	   number of bits in mask to be written

DESCRIPTION
       Input format is a comma-separated list of decimal numbers and ranges. Consecutively set
       bits are shown as two hyphen-separated decimal numbers, the smallest and largest bit
       numbers set in the range.

       Returns 0 on success, -errno on invalid input strings.

ERROR VALUES
       -EINVAL: second number in range smaller than first -EINVAL: invalid character in string
       -ERANGE: bit number specified too large for mask

COPYRIGHT
Kernel Hackers Manual 2.6.		    July 2010			      BITMAP_PARSELIST(9)
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