NAME¶

expand_number — format a number from human readable form

LIBRARY¶

library “libbsd”

SYNOPSIS¶

#include <libutil.h> (See libbsd(7) for include usage.)
int
expand_number(const char *buf, uint64_t *num);

DESCRIPTION¶

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

The expand_number() function follows the SI power of two convention.

The prefixes are:

RETURN VALUES¶

Upon successful completion, the value 0 is returned; otherwise the value -1 is returned and the global variable errno is set to indicate the error.

ERRORS¶

The expand_number() function will fail if:

[EINVAL]

The given string contains no digits.

[EINVAL]

An unrecognized prefix was given.

[ERANGE]

Result doesn't fit into 64 bits.

SEE ALSO¶

humanize_number(3bsd)

HISTORY¶

The expand_number() function first appeared in FreeBSD 6.3.