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/* apk_applet.h - Alpine Package Keeper (APK)
*
* Copyright (C) 2005-2008 Natanael Copa <n@tanael.org>
* Copyright (C) 2008-2011 Timo Teräs <timo.teras@iki.fi>
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-only
*/
#ifndef APK_APPLET_H
#define APK_APPLET_H
#include <errno.h>
#include <getopt.h>
#include "apk_defines.h"
#include "apk_database.h"
#define __APK_OPTAPPLET "\x00"
#define __APK_OPTGROUP(_name) _name "\x00"
#define __APK_OPT_ENUM(_enum,__desc) _enum,
#define __APK_OPT_DESC(_enum,__desc) __desc "\x00"
#define APK_OPT_ARG "\xaf"
#define APK_OPT_SH(x) "\xf1" x
#define APK_OPT_S2(x) "\xf2" x
#define APK_OPT_APPLET(var_name, init_macro) \
enum { init_macro(__APK_OPT_ENUM) }; \
static const char var_name[] = __APK_OPTAPPLET init_macro(__APK_OPT_DESC);
#define APK_OPT_GROUP(var_name, group_name, init_macro) \
enum { init_macro(__APK_OPT_ENUM) }; \
static const char var_name[] = __APK_OPTGROUP(group_name) init_macro(__APK_OPT_DESC);
#define APK_OPT_GROUP2(var_name, group_name, init_macro, init_macro2) \
enum { init_macro(__APK_OPT_ENUM) init_macro2(__APK_OPT_ENUM) }; \
static const char var_name[] = __APK_OPTGROUP(group_name) init_macro(__APK_OPT_DESC) init_macro2(__APK_OPT_DESC);
struct apk_option_group {
const char *desc;
int (*parse)(void *ctx, struct apk_ctx *ac, int opt, const char *optarg);
};
struct apk_applet {
struct list_head node;
const char *name;
const struct apk_option_group *optgroups[4];
unsigned int open_flags, forced_force;
int context_size;
int (*main)(void *ctx, struct apk_database *db, struct apk_string_array *args);
};
extern const struct apk_option_group optgroup_global, optgroup_commit, optgroup_signing;
void apk_applet_register(struct apk_applet *);
void apk_applet_register_builtin(void);
struct apk_applet *apk_applet_find(const char *name);
void apk_applet_help(struct apk_applet *applet, struct apk_out *out);
typedef void (*apk_init_func_t)(void);
#define APK_DEFINE_APPLET(x) \
static void __register_##x(void) { apk_applet_register(&x); } \
static apk_init_func_t __regfunc_##x __attribute__((__section__("initapplets"))) __attribute((used)) = __register_##x;
#endif
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