bitmap_parselist

Langue: en

Autres versions - même langue

Version: June 2009 (debian - 07/07/09)

Section: 9 (Appels noyau Linux)

Sommaire

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