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/*
* libdpkg - Debian packaging suite library routines
* options.h - option parsing functions
*
* Copyright © 1994,1995 Ian Jackson <ijackson@chiark.greenend.org.uk>
* Copyright © 2008-2014 Guillem Jover <guillem@debian.org>
*
* This 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 2 of the License, or
* (at your option) any later version.
*
* This 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 <https://www.gnu.org/licenses/>.
*/
#ifndef LIBDPKG_OPTIONS_H
#define LIBDPKG_OPTIONS_H
#include <dpkg/macros.h>
#include <dpkg/dpkg-db.h>
DPKG_BEGIN_DECLS
/**
* @defgroup options Option parsing
* @ingroup dpkg-internal
* @{
*/
typedef int action_func(const char *const *argv);
struct cmdinfo {
const char *olong;
char oshort;
/*
* 0 = Normal (-o, --option)
* 1 = Standard value (-o=value, --option=value or
* -o value, --option value)
* 2 = Option string continued (--option-value)
*/
int takesvalue;
int *iassignto;
const char **sassignto;
void (*call)(const struct cmdinfo*, const char *value);
int arg_int;
void *arg_ptr;
action_func *action;
};
void badusage(const char *fmt, ...) DPKG_ATTR_NORET DPKG_ATTR_PRINTF(1);
#define MAX_CONFIG_LINE 1024
void dpkg_options_load(const char *prog, const struct cmdinfo *cmdinfos);
void dpkg_options_parse(const char *const **argvp,
const struct cmdinfo *cmdinfos, const char *help_str);
long dpkg_options_parse_arg_int(const struct cmdinfo *cmd, const char *str);
struct pkginfo *
dpkg_options_parse_pkgname(const struct cmdinfo *cmd, const char *name);
/**
* Current cmdinfo action.
*/
extern const struct cmdinfo *cipaction;
void setaction(const struct cmdinfo *cip, const char *value);
void setobsolete(const struct cmdinfo *cip, const char *value);
#define ACTION(longopt, shortopt, code, func) \
{ longopt, shortopt, 0, NULL, NULL, setaction, code, NULL, func }
#define ACTION_MUX(longopt, shortopt, code, func, strvar) \
{ longopt, shortopt, 2, NULL, strvar, setaction, code, NULL, func }
#define OBSOLETE(longopt, shortopt) \
{ longopt, shortopt, 0, NULL, NULL, setobsolete, 0, NULL, NULL }
void
set_instdir(const struct cmdinfo *cip, const char *value);
void
set_admindir(const struct cmdinfo *cip, const char *value);
void
set_root(const struct cmdinfo *cip, const char *value);
/** @} */
DPKG_END_DECLS
#endif /* LIBDPKG_OPTIONS_H */
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