parrotcode: Command-line option parsing | |
Contents | C |
longopt.c - Command-line option parsing
This is used by parrot
.
int longopt_get
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.
static int longopt_get_longopt
info_buf
appropriately,
and return the option identifier.argv[info_buf-
opt_index]> is guaranteed to have at least three characters and start with --
.
static int longopt_get_shortopt
-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.include/parrot/longopt.h and docs/dev/longopt.dev.
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