[MAN] expand_number

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EXPAND_NUMBER

Section: Misc. Reference Manual Pages (3bsd)
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BSD mandoc
 

NAME

expand_number - format a number from human readable form  

LIBRARY

Lb libbsd  

SYNOPSIS

In libutil.h (See libbsd(7) for include usage.) Ft int Fo expand_number Fa const char *buf uint64_t *num Fc  

DESCRIPTION

The Fn expand_number function unformats the Fa buf string and stores a unsigned 64-bit quantity at address pointed out by the Fa num argument.

The Fn expand_number function follows the SI power of two convention.

The prefixes are:

Prefix Ta Description Ta Multiplier

k Ta kilo Ta 1024

M Ta mega Ta 1048576

G Ta giga Ta 1073741824

T Ta tera Ta 1099511627776

P Ta peta Ta 1125899906842624

E Ta exa Ta 1152921504606846976

 

RETURN VALUES

Rv -std  

ERRORS

The Fn expand_number function will fail if:

Bq Er EINVAL

The given string contains no digits.

Bq Er EINVAL

An unrecognized prefix was given.

Bq Er ERANGE

Result doesn't fit into 64 bits.

 

SEE ALSO

humanize_number3bsd  

HISTORY

The Fn expand_number function first appeared in Fx 6.3 .

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Index

NAME

LIBRARY

SYNOPSIS

DESCRIPTION

RETURN VALUES

ERRORS

SEE ALSO

HISTORY

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Time: 04:45:39 GMT, September 16, 2022