NAME
longopt.c - Command-line option parsing
DESCRIPTION
This is used by parrot
.
Functions
int longopt_get
Gets long or short options,
specified in static int longopt_get_longopt
Find the option identifier of a long option.Fill static int longopt_get_shortopt
Find the option identifier of the next short option.This next short option may be in the middle of a bundle (
options[]
(see docs/dev/longopt.dev).Call it iteratively with the same info_buf
until it returns 0 or -1.0 means you have reached the end of options.-1 means a parse error,
with error put in info_buf->opt_error
.Any other value is a valid option identifier.
info_buf
appropriately,
and return the option identifier.argv[info_buf-
opt_index]> is guaranteed to have at least three characters and start with --
.
-abcd
),
and info_buf->_shortopt_pos
maintains a pointer into that bundle.argv[info_buf->opt_index]
is guaranteed to be at least two characters long and start with a dash.SEE ALSO
include/parrot/longopt.h and docs/dev/longopt.dev.