bitmap_parselist9
Convert list format ascii string to bitmap
Usage
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
Overview
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
Releases
3 releases since Debian 4.0 (Etch); the text changed 2 times.