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/*
* Copyright 2015, Intel Corporation
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Written by William Roberts <william.c.roberts@intel.com>
*
* This is a parser library for parsing the packages.list file generated
* by PackageManager service.
*
* This simple parser is sensitive to format changes in
* frameworks/base/services/core/java/com/android/server/pm/Settings.java
* A dependency note has been added to that file to correct
* this parser.
*/
#ifndef PACKAGELISTPARSER_H_
#define PACKAGELISTPARSER_H_
#include <stdbool.h>
#include <sys/cdefs.h>
#include <sys/types.h>
__BEGIN_DECLS
/** The file containing the list of installed packages on the system */
#define PACKAGES_LIST_FILE "/data/system/packages.list"
typedef struct pkg_info pkg_info;
typedef struct gid_list gid_list;
struct gid_list {
size_t cnt;
gid_t *gids;
};
struct pkg_info {
char *name;
uid_t uid;
bool debuggable;
char *data_dir;
char *seinfo;
gid_list gids;
void *private_data;
};
/**
* Callback function to be used by packagelist_parse() routine.
* @param info
* The parsed package information
* @param userdata
* The supplied userdata pointer to packagelist_parse()
* @return
* true to keep processing, false to stop.
*/
typedef bool (*pfn_on_package)(pkg_info *info, void *userdata);
/**
* Parses the file specified by PACKAGES_LIST_FILE and invokes the callback on
* each entry found. Once the callback is invoked, ownership of the pkg_info pointer
* is passed to the callback routine, thus they are required to perform any cleanup
* desired.
* @param callback
* The callback function called on each parsed line of the packages list.
* @param userdata
* An optional userdata supplied pointer to pass to the callback function.
* @return
* true on success false on failure.
*/
extern bool packagelist_parse(pfn_on_package callback, void *userdata);
/**
* Frees a pkg_info structure.
* @param info
* The struct to free
*/
extern void packagelist_free(pkg_info *info);
__END_DECLS
#endif /* PACKAGELISTPARSER_H_ */
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