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/* Reentrant version of getopt.
Based on ../getopt*.*:
Declarations for getopt.
Copyright (C) 1989-2016 Free Software Foundation, Inc.
NOTE: The canonical source of this file is maintained with the GNU C Library.
Bugs can be reported to bug-glibc@gnu.org.
GNU Make is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3 of the License, or (at your option) any later
version.
GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
Modifications:
Copyright (c) 2018 knut st. osmundsen <bird-kBuild-spamx@anduin.net>
*/
/* Not quite safe to mix when converting code. */
#ifdef _GETOPT_H
# define _GETOPT_H "getopt.h was included already"
# error "getopt.h was included already"
#endif
#ifndef INCLUDED_GETOPT_R_H
#define INCLUDED_GETOPT_R_H 1
#include <stddef.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct getopt_state_r
{
/* For communication from `getopt' to the caller.
When `getopt' finds an option that takes an argument,
the argument value is returned here.
Also, when `ordering' is RETURN_IN_ORDER,
each non-option ARGV-element is returned here. */
/*extern*/ char *optarg;
/* Index in ARGV of the next element to be scanned.
This is used for communication to and from the caller
and for communication between successive calls to `getopt'.
On entry to `getopt', zero means this is the first call; initialize.
When `getopt' returns -1, this is the index of the first of the
non-option elements that the caller should itself scan.
Otherwise, `optind' communicates from one call to the next
how much of ARGV has been scanned so far. */
/*extern*/ int optind;
/* Callers store zero here to inhibit the error message `getopt' prints
for unrecognized options. */
/*extern*/ int opterr;
/* Set to an option character which was unrecognized. */
/*extern*/ int optopt;
/* Internal state: */
/* The next char to be scanned in the option-element
in which the last option character we returned was found.
This allows us to pick up the scan where we left off.
If this is zero, or a null string, it means resume the scan
by advancing to the next ARGV-element. */
/*static*/ char *nextchar;
/* REQUIRE_ORDER, PERMUTE or RETURN_IN_ORDER, see getopt_r.c. */
/*static*/ int ordering;
/* Value of POSIXLY_CORRECT environment variable. */
/*static*/ const char *posixly_correct; /* bird: added 'const' */
/* Describe the part of ARGV that contains non-options that have
been skipped. `first_nonopt' is the index in ARGV of the first of them;
`last_nonopt' is the index after the last of them. */
/*static*/ int first_nonopt;
/*static*/ int last_nonopt;
/* Mainly for asserting usage sanity. */
/*static*/ void *__getopt_initialized;
/* New internal state (to resubmitting same parameters in each call): */
/* new: the argument vector length. */
int argc;
/* new: the argument vector. */
char * const *argv;
/* new: the short option string (can be NULL/empty). */
const char *optstring;
/* new: the short option string length. */
size_t len_optstring;
/* new: the long options (can be NULL) */
const struct option *long_options;
/* Output context for err.h. */
struct KMKBUILTINCTX *pCtx;
} getopt_state_r;
#ifndef no_argument
/* Describe the long-named options requested by the application.
The LONG_OPTIONS argument to getopt_long or getopt_long_only is a vector
of `struct option' terminated by an element containing a name which is
zero.
The field `has_arg' is:
no_argument (or 0) if the option does not take an argument,
required_argument (or 1) if the option requires an argument,
optional_argument (or 2) if the option takes an optional argument.
If the field `flag' is not NULL, it points to a variable that is set
to the value given in the field `val' when the option is found, but
left unchanged if the option is not found.
To have a long-named option do something other than set an `int' to
a compiled-in constant, such as set a value from `optarg', set the
option's `flag' field to zero and its `val' field to a nonzero
value (the equivalent single-letter option character, if there is
one). For long options that have a zero `flag' field, `getopt'
returns the contents of the `val' field. */
struct option
{
#if defined (__STDC__) && __STDC__
const char *name;
#else
char *name;
#endif
/* has_arg can't be an enum because some compilers complain about
type mismatches in all the code that assumes it is an int. */
int has_arg;
int *flag;
int val;
};
/* Names for the values of the `has_arg' field of `struct option'. */
#define no_argument 0
#define required_argument 1
#define optional_argument 2
#endif /* Same as ../getopt.h. Fix later? */
extern void getopt_initialize_r (struct getopt_state_r *gos, int argc,
char *const *argv, const char *shortopts,
const struct option *longopts,
char **envp, struct KMKBUILTINCTX *pCtx);
extern int getopt_r (struct getopt_state_r *gos);
extern int getopt_long_r (struct getopt_state_r *gos, int *longind);
extern int getopt_long_only_r (struct getopt_state_r *gos, int *longind);
/* Internal only. Users should not call this directly. */
extern int _getopt_internal_r (struct getopt_state_r *gos,
const struct option *longopts,
int *longind, int long_only);
#ifdef __cplusplus
}
#endif
#endif /* getopt_r.h */
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