emo/xbps
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
da957433cb
xbps/include/xbps_api.h.in

1726 lines
51 KiB
C
Raw Blame History

/*-
* Copyright (c) 2008-2013 Juan Romero Pardines.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*-
*/
#ifndef _XBPS_API_H_
#define _XBPS_API_H_
#include <stdio.h>
#include <inttypes.h>
#include <archive.h>
#include <archive_entry.h>
#include <prop/proplib.h>
#include <confuse.h>
#ifdef __cplusplus
# ifndef __BEGIN_DECLS
# define __BEGIN_DECLS extern "C" {
# endif
# ifndef __END_DECLS
# define __END_DECLS }
# endif
#else
# ifndef __BEGIN_DECLS
# define __BEGIN_DECLS
# endif
# ifndef __END_DECLS
# define __END_DECLS
# endif
#endif
/**
* @file include/xbps_api.h
* @brief XBPS Library API header
*
* This header documents the full API for the XBPS Library.
*/
/**
* @def XBPS_PKGINDEX_VERSION
* Current version for the repository package index format.
*/
#define XBPS_PKGINDEX_VERSION "1.6"
#define XBPS_API_VERSION "20130207-1"
#ifndef XBPS_VERSION
#define XBPS_VERSION "UNSET"
#endif
#ifndef XBPS_GIT
#define XBPS_GIT "UNSET"
#endif
/**
* @def XBPS_RELVER
* Current library release date.
*/
#define XBPS_RELVER "XBPS: " XBPS_VERSION \
" API: " XBPS_API_VERSION \
" INDEX: " XBPS_PKGINDEX_VERSION \
" GIT: " XBPS_GIT
/**
* @def XBPS_META_PATH
* Default root PATH to store metadata info.
*/
#define XBPS_META_PATH "var/db/xbps"
/**
* @def XBPS_CACHE_PATH
* Default cache PATH to store downloaded binpkgs.
*/
#define XBPS_CACHE_PATH "var/cache/xbps"
/**
* @def XBPS_PKGDB
* Filename for the package database.
*/
#define XBPS_PKGDB "pkgdb.plist"
/**
* @def XBPS_PKGPROPS
* Filename for package metadata property list.
*/
#define XBPS_PKGPROPS "props.plist"
/**
* @def XBPS_PKGFILES
* Filename for package metadata files property list.
*/
#define XBPS_PKGFILES "files.plist"
/**
* @def XBPS_PKGINDEX
* Filename for the repository package index property list.
*/
#define XBPS_PKGINDEX "index.plist"
/**
* @def XBPS_PKGINDEX_FILES
* Filename for the repository package index files property list.
*/
#define XBPS_PKGINDEX_FILES "index-files.plist"
/**
* @def XBPS_SYSCONF_PATH
* Default configuration PATH to find XBPS_CONF_PLIST.
*/
#define XBPS_SYSDIR "/xbps"
#ifndef XBPS_SYSCONF_PATH
#define XBPS_SYSCONF_PATH "/etc" XBPS_SYSDIR
#endif
/**
* @def XBPS_CONF_DEF
* Filename for the XBPS plist configuration file.
*/
#define XBPS_CONF_DEF XBPS_SYSCONF_PATH "/xbps.conf"
/**
* @def XBPS_FLAG_VERBOSE
* Verbose flag that can be used in the function callbacks to alter
* its behaviour. Must be set through the xbps_handle::flags member.
*/
#define XBPS_FLAG_VERBOSE 0x00000001
/**
* @def XBPS_FLAG_FORCE_CONFIGURE
* Force flag used in xbps_configure_pkg(), if set the package(s)
* will be reconfigured even if its state is XBPS_PKG_STATE_INSTALLED.
* Must be set through the xbps_handle::flags member.
*/
#define XBPS_FLAG_FORCE_CONFIGURE 0x00000002
/**
* @def XBPS_FLAG_FORCE_REMOVE_FILES
* Force flag used in xbps_remove_pkg_files(), if set the package
* files will be removed even if its SHA256 hash don't match.
* Must be set through the xbps_handle::flags member.
*/
#define XBPS_FLAG_FORCE_REMOVE_FILES 0x00000004
/**
* @def XBPS_FLAG_SYSLOG
* Enable syslog logging flag. To make clients aware that syslog
* will be used.
*/
#define XBPS_FLAG_SYSLOG 0x00000008
/**
* @def XBPS_FLAG_INSTALL_AUTO
* Enabled automatic install mode for a package and all dependencies
* installed direct and indirectly.
*/
#define XBPS_FLAG_INSTALL_AUTO 0x00000010
/**
* @def XBPS_FLAG_INSTALL_MANUAL
* Enabled manual install mode for a package and all dependencies
* installed direct and indirectly.
*/
#define XBPS_FLAG_INSTALL_MANUAL 0x00000020
/**
* @def XBPS_FLAG_DEBUG
* Enable debug mode to output debugging printfs to stdout/stderr.
*/
#define XBPS_FLAG_DEBUG 0x00000040
/**
* @def XBPS_FLAG_FORCE_UNPACK
* Force flag used in xbps_unpack_binary_pkg(). If set its package
* files will be unpacked overwritting the current ones.
* Must be set through the xbps_handle::flags member.
*/
#define XBPS_FLAG_FORCE_UNPACK 0x00000080
/**
* @def XBPS_FETCH_CACHECONN
* Default (global) limit of cached connections used in libfetch.
*/
#define XBPS_FETCH_CACHECONN 6
/**
* @def XBPS_FETCH_CACHECONN_HOST
* Default (per host) limit of cached connections used in libfetch.
*/
#define XBPS_FETCH_CACHECONN_HOST 2
/**
* @def XBPS_FETCH_TIMEOUT
* Default timeout limit (in seconds) to wait for stalled connections.
*/
#define XBPS_FETCH_TIMEOUT 30
__BEGIN_DECLS
/** @addtogroup initend */
/*@{*/
/**
* @enum xbps_state_t
*
* Integer representing the xbps callback returned state. Possible values:
*
* - XBPS_STATE_UKKNOWN: state hasn't been prepared or unknown error.
* - XBPS_STATE_TRANS_DOWNLOAD: transaction is downloading binary packages.
* - XBPS_STATE_TRANS_VERIFY: transaction is verifying binary package integrity.
* - XBPS_STATE_TRANS_RUN: transaction is performing operations:
* install, update, remove and replace.
* - XBPS_STATE_TRANS_CONFIGURE: transaction is configuring all
* unpacked packages.
* - XBPS_STATE_DOWNLOAD: a binary package is being downloaded.
* - XBPS_STATE_VERIFY: a binary package is being verified.
* - XBPS_STATE_REMOVE: a package is being removed.
* - XBPS_STATE_REMOVE_DONE: a package has been removed successfully.
* - XBPS_STATE_REMOVE_FILE: a package file is being removed.
* - XBPS_STATE_REMOVE_OBSOLETE: an obsolete package file is being removed.
* - XBPS_STATE_REPLACE: a package is being replaced.
* - XBPS_STATE_INSTALL: a package is being installed.
* - XBPS_STATE_INSTALL_DONE: a package has been installed successfully.
* - XBPS_STATE_UPDATE: a package is being updated.
* - XBPS_STATE_UPDATE_DONE: a package has been updated successfully.
* - XBPS_STATE_UNPACK: a package is being unpacked.
* - XBPS_STATE_CONFIGURE: a package is being configured.
* - XBPS_STATE_CONFIG_FILE: a package configuration file is being processed.
* - XBPS_STATE_REGISTER: a package is being registered.
* - XBPS_STATE_UNREGISTER: a package is being unregistered.
* - XBPS_STATE_REPOSYNC: a remote repository's package index is being
* synchronized.
* - XBPS_STATE_VERIFY_FAIL: binary package integrity has failed.
* - XBPS_STATE_DOWNLOAD_FAIL: binary package download has failed.
* - XBPS_STATE_REMOVE_FAIL: a package removal has failed.
* - XBPS_STATE_REMOVE_FILE_FAIL: a package file removal has failed.
* - XBPS_STATE_REMOVE_FILE_HASH_FAIL: a package file removal due to
* its hash has failed.
* - XBPS_STATE_REMOVE_FILE_OBSOLETE_FAIL: an obsolete package file
* removal has failed.
* - XBPS_STATE_CONFIGURE_FAIL: package configure has failed.
* - XBPS_STATE_CONFIG_FILE_FAIL: package configuration file operation
* has failed.
* - XBPS_STATE_UPDATE_FAIL: package update has failed.
* - XBPS_STATE_UNPACK_FAIL: package unpack has failed.
* - XBPS_STATE_REGISTER_FAIL: package register has failed.
* - XBPS_STATE_UNREGISTER_FAIL: package unregister has failed.
* - XBPS_STATE_REPOSYNC_FAIL: syncing remote repositories has failed.
*/
typedef enum xbps_state {
XBPS_STATE_UNKNOWN = 0,
XBPS_STATE_TRANS_DOWNLOAD,
XBPS_STATE_TRANS_VERIFY,
XBPS_STATE_TRANS_RUN,
XBPS_STATE_TRANS_CONFIGURE,
XBPS_STATE_DOWNLOAD,
XBPS_STATE_VERIFY,
XBPS_STATE_REMOVE,
XBPS_STATE_REMOVE_DONE,
XBPS_STATE_REMOVE_FILE,
XBPS_STATE_REMOVE_FILE_OBSOLETE,
XBPS_STATE_PURGE,
XBPS_STATE_PURGE_DONE,
XBPS_STATE_REPLACE,
XBPS_STATE_INSTALL,
XBPS_STATE_INSTALL_DONE,
XBPS_STATE_UPDATE,
XBPS_STATE_UPDATE_DONE,
XBPS_STATE_UNPACK,
XBPS_STATE_CONFIGURE,
XBPS_STATE_CONFIG_FILE,
XBPS_STATE_REGISTER,
XBPS_STATE_UNREGISTER,
XBPS_STATE_REPOSYNC,
XBPS_STATE_VERIFY_FAIL,
XBPS_STATE_DOWNLOAD_FAIL,
XBPS_STATE_REMOVE_FAIL,
XBPS_STATE_REMOVE_FILE_FAIL,
XBPS_STATE_REMOVE_FILE_HASH_FAIL,
XBPS_STATE_REMOVE_FILE_OBSOLETE_FAIL,
XBPS_STATE_PURGE_FAIL,
XBPS_STATE_CONFIGURE_FAIL,
XBPS_STATE_CONFIG_FILE_FAIL,
XBPS_STATE_UPDATE_FAIL,
XBPS_STATE_UNPACK_FAIL,
XBPS_STATE_REGISTER_FAIL,
XBPS_STATE_UNREGISTER_FAIL,
XBPS_STATE_REPOSYNC_FAIL
} xbps_state_t;
/**
* @struct xbps_state_cb_data xbps_api.h "xbps_api.h"
* @brief Structure to be passed as argument to the state function callback.
* All members are read-only and set internally by libxbps.
*/
struct xbps_state_cb_data {
/**
* @var xhp
*
* Pointer to our struct xbps_handle passed to xbps_init().
*/
struct xbps_handle *xhp;
/**
* @var state
*
* Current state.
*/
xbps_state_t state;
/**
* @var desc
*
* Current state string description.
*/
const char *desc;
/**
* @var arg0
*
* State string argument 0. String set on this
* variable may change depending on \a state.
*/
const char *arg0;
/**
* @var arg1
*
* State string argument 1. String set on this
* variable may change depending on \a state.
*/
const char *arg1;
/**
* @var err
*
* Current state error value (set internally, read-only).
*/
int err;
};
/**
* @struct xbps_fetch_cb_data xbps_api.h "xbps_api.h"
* @brief Structure to be passed to the fetch function callback.
*
* This structure is passed as argument to the fetch progress function
* callback and its members will be updated when there's any progress.
* All members marked as read-only in this struct are set internally by
* xbps_unpack_binary_pkg() and shouldn't be modified in the passed
* function callback.
*/
struct xbps_fetch_cb_data {
/**
* @var xhp
*
* Pointer to our struct xbps_handle passed to xbps_init().
*/
struct xbps_handle *xhp;
/**
* @var file_size
*
* Filename size for the file to be fetched.
*/
off_t file_size;
/**
* @var file_offset
*
* Current offset for the filename being fetched.
*/
off_t file_offset;
/**
* @var file_dloaded
*
* Bytes downloaded for the file being fetched.
*/
off_t file_dloaded;
/**
* @var file_name
*
* File name being fetched.
*/
const char *file_name;
/**
* @var cb_start
*
* If true the function callback should be prepared to start
* the transfer progress.
*/
bool cb_start;
/**
* @var cb_update
*
* If true the function callback should be prepared to
* update the transfer progress.
*/
bool cb_update;
/**
* @var cb_end
*
* If true the function callback should be prepated to
* end the transfer progress.
*/
bool cb_end;
};
/**
* @struct xbps_unpack_cb_data xbps_api.h "xbps_api.h"
* @brief Structure to be passed to the unpack function callback.
*
* This structure is passed as argument to the unpack progress function
* callback and its members will be updated when there's any progress.
* All members in this struct are set internally by libxbps
* and should be used in read-only mode in the supplied function
* callback.
*/
struct xbps_unpack_cb_data {
/**
* @var xhp
*
* Pointer to our struct xbps_handle passed to xbps_init().
*/
struct xbps_handle *xhp;
/**
* @var pkgver
*
* Package name/version string of package being unpacked.
*/
const char *pkgver;
/**
* @var entry
*
* Entry pathname string.
*/
const char *entry;
/**
* @var entry_size
*
* Entry file size.
*/
int64_t entry_size;
/**
* @var entry_extract_count
*
* Total number of extracted entries.
*/
ssize_t entry_extract_count;
/**
* @var entry_total_count
*
* Total number of entries in package.
*/
ssize_t entry_total_count;
/**
* @var entry_is_conf
*
* If true "entry" is a configuration file.
*/
bool entry_is_conf;
};
/**
* @struct xbps_handle xbps_api.h "xbps_api.h"
* @brief Generic XBPS structure handler for initialization.
*
* This structure sets some global properties for libxbps, to set some
* function callbacks and data to the fetch, transaction and unpack functions,
* the root and cache directory, flags, etc.
*/
struct xbps_handle {
/**
* @private
*/
cfg_t *cfg;
/**
* @private
*
* Array of dictionaries with all registered repositories.
*/
prop_array_t repo_pool;
/**
* @private pkgdb.
*
* Internalized proplib array with the master package database
* stored in XBPS_META_PATH/XBPS_PKGDB.
*/
prop_array_t pkgdb;
/**
* @private
*
* Proplib dictionary with pkg metafiles.
*/
prop_dictionary_t pkg_metad;
/**
* @private pkgdb_revdeps.
*
* Proplib dictionary with full reverse dependencies from pkgdb.
*/
prop_dictionary_t pkgdb_revdeps;
/**
* @var transd;
*
* Proplib dictionary with transaction details, required by
* xbps_transaction_commit().
*/
prop_dictionary_t transd;
/**
* Pointer to the supplifed function callback to be used
* in the XBPS possible states.
*/
void (*state_cb)(struct xbps_state_cb_data *, void *);
/**
* Pointer to user supplied data to be passed as argument to
* the \a xbps_state_cb function callback.
*/
void *state_cb_data;
/**
* Pointer to the supplied function callback to be used in
* xbps_unpack_binary_pkg().
*/
void (*unpack_cb)(struct xbps_unpack_cb_data *, void *);
/**
* Pointer to user supplied data to be passed as argument to
* the \a xbps_unpack_cb function callback.
*/
void *unpack_cb_data;
/**
* Pointer to the supplied function callback to be used in
* xbps_fetch_file().
*/
void (*fetch_cb)(struct xbps_fetch_cb_data *, void *);
/**
* @var fetch_cb_data
*
* Pointer to user supplied data to be passed as argument to
* the \a xbps_fetch_cb function callback.
*/
void *fetch_cb_data;
/**
* @var rootdir
*
* Root directory for all operations in XBPS. If NULL,
* by default it's set to /.
*/
const char *rootdir;
/**
* @var cachedir
*
* Cache directory to store downloaded binary packages.
* If NULL default value in \a XBPS_CACHE_PATH is used.
*/
const char *cachedir;
/**
* @var metadir
*
* Metadata directory for all operations in XBPS.
* If NULL, defaults to \a XBPS_CACHE_PATH (relative to rootdir).
*/
const char *metadir;
/**
* @private
*/
char *cachedir_priv;
char *metadir_priv;
char *un_machine;
/*
* @var repository
*
* Default repository to be used if a configuration file
* couldn't be found.
*/
const char *repository;
/**
* @var conffile
*
* Full path to the xbps configuration file.
*/
const char *conffile;
/**
* @var fetch_timeout
*
* Unsigned integer to specify libfetch's timeout limit.
* If not set, it defaults to 30 (in seconds). This is set internally
* by the API from a setting in configuration file.
*/
uint16_t fetch_timeout;
/**
* @var flags
*
* Flags to be set globally by ORing them, possible values:
* - XBPS_FLAG_VERBOSE
* - XBPS_FLAG_FORCE_CONFIGURE
* - XBPS_FLAG_FORCE_REMOVE_FILES
* - XBPS_FLAG_DEBUG
* - XBPS_FLAG_SYSLOG
* - XBPS_FLAG_INSTALL_AUTO
* - XBPS_FLAG_INSTALL_MANUAL
*/
int flags;
/**
* @private
*/
bool initialized;
};
void xbps_dbg_printf(struct xbps_handle *, const char *, ...);
void xbps_dbg_printf_append(struct xbps_handle *, const char *, ...);
void xbps_error_printf(const char *, ...);
void xbps_warn_printf(const char *, ...);
/**
* Initialize the XBPS library with the following steps:
*
* - Set function callbacks for fetching and unpacking.
* - Set default cache connections for libfetch.
* - Parse configuration file.
*
* @param[in] xhp Pointer to an xbps_handle struct.
* @note It's assumed that \a xhp is a valid pointer.
*
* @return 0 on success, an errno value otherwise.
*/
int xbps_init(struct xbps_handle *xhp);
/**
* Releases all resources used by libxbps.
*
* @param[in] xhp Pointer to an xbps_handle struct.
*/
void xbps_end(struct xbps_handle *xhp);
/*@}*/
/** @addtogroup configure */
/*@{*/
/**
* Configure (or force reconfiguration of) a package.
*
* @param[in] xhp Pointer to an xbps_handle struct.
* @param[in] pkgname Package name to configure.
* @param[in] check_state Set it to true to check that package is
* in unpacked state.
* @param[in] update Set it to true if this package is being updated.
* @param[in] flush Set it to true to flush state to pkgdb.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_configure_pkg(struct xbps_handle *xhp,
const char *pkgname,
bool check_state,
bool update,
bool flush);
/**
* Configure (or force reconfiguration of) all packages.
*
* @param[in] xhp Pointer to an xbps_handle struct.
* @param[in] flush Set it to true to flush state to pkgdb.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_configure_packages(struct xbps_handle *xhp, bool flush);
/*@}*/
/** @addtogroup download */
/*@{*/
/**
* Download a file from a remote URL to current working directory.
*
* @param[in] xhp Pointer to an xbps_handle struct.
* @param[in] uri Remote URI string.
* @param[in] flags Flags passed to libfetch's fetchXget().
*
* @return -1 on error, 0 if not downloaded (because local/remote size/mtime
* do not match) and 1 if downloaded successfully.
**/
int xbps_fetch_file(struct xbps_handle *xhp, const char *uri,
const char *flags);
/**
* Returns last error string reported by xbps_fetch_file().
*
* @return A string with the appropiate error message.
*/
const char *xbps_fetch_error_string(void);
/*@}*/
/**
* @ingroup pkg_orphans
*
* Finds all package orphans currently installed.
*
* @param[in] xhp Pointer to an xbps_handle struct.
* @param[in] orphans Proplib array of strings with package names of
* packages that should be treated as they were already removed (optional).
*
* @return A proplib array of dictionaries with all orphans found,
* on error NULL is returned and errno is set appropiately.
*/
prop_array_t xbps_find_pkg_orphans(struct xbps_handle *xhp, prop_array_t orphans);
/**
* @ingroup pkg_obsoletes
*
* Finds obsolete files by comparing installed files dictionary with
* a new files dictionary.
*
* @param[in] xhp The pointer to the xbps_handle struct.
* @param[in] instd Installed package files dictionary (\a XBPS_PKGFILES).
* @param[in] newd New package files dictionary (provided by a binary package).
*
* @return A proplib array of strings with a sorted list of obsolete files.
*/
prop_array_t xbps_find_pkg_obsoletes(struct xbps_handle *xhp,
prop_dictionary_t instd,
prop_dictionary_t newd);
/** @addtogroup pkgdb */
/*@{*/
/**
* Executes a function callback per a package dictionary registered
* in master package database (pkgdb) plist (downwards).
*
* @param[in] xhp The pointer to the xbps_handle struct.
* @param[in] fn Function callback to run for any pkg dictionary.
* @param[in] arg Argument to be passed to the function callback.
*
* @return 0 on success (all objects were processed), otherwise
* the value returned by the function callback.
*/
int xbps_pkgdb_foreach_cb(struct xbps_handle *xhp,
int (*fn)(struct xbps_handle *, prop_object_t, void *, bool *),
void *arg);
/**
* Executes a function callback per a package dictionary registered
* in master package database (pkgdb) plist, in reverse order (upwards).
*
* @param[in] xhp The pointer to the xbps_handle struct.
* @param[in] fn Function callback to run for any pkg dictionary.
* @param[in] arg Argument to be passed to the function callback.
*
* @return 0 on success (all objects were processed), otherwise
* the value returned by the funcion callback.
*/
int xbps_pkgdb_foreach_reverse_cb(
struct xbps_handle *xhp,
int (*fn)(struct xbps_handle *, prop_object_t, void *, bool *),
void *arg);
/**
* Returns a package dictionary from master package database (pkgdb) plist,
* matching pkgname or pkgver object in \a pkg.
*
* @param[in] xhp The pointer to the xbps_handle struct.
* @param[in] pkg Package name or name-version to match.
*
* @return The matching proplib package dictionary, NULL otherwise.
*/
prop_dictionary_t xbps_pkgdb_get_pkg(struct xbps_handle *xhp,
const char *pkg);
/**
* Returns a package dictionary from master package database (pkgdb) plist,
* matching virtual pkgname or pkgver object in \a pkg.
*
* @param[in] xhp The pointer to the xbps_handle struct.
* @param[in] pkg Package name or name-version to match.
*
* @return The matching proplib package dictionary, NULL otherwise.
*/
prop_dictionary_t xbps_pkgdb_get_virtualpkg(struct xbps_handle *xhp,
const char *pkg);
/**
* Returns the package dictionary with all metadata info for \a pkg.
*
* @param[in] xhp The pointer to the xbps_handle struct.
* @param[in] pkg Package expression to match.
*
* @return The matching package metadata dictionary, NULL otherwise.
*/
prop_dictionary_t xbps_pkgdb_get_pkg_metadata(struct xbps_handle *xhp,
const char *pkg);
/**
* Returns a proplib array of strings with reverse dependencies
* for \a pkg. The array is generated dynamically based on the list
* of packages currently installed.
*
* @param[in] xhp The pointer to the xbps_handle struct.
* @param[in] pkg Package expression to match.
*
* @return A proplib array of strings with reverse dependencies for \a pkg.
*/
prop_array_t xbps_pkgdb_get_pkg_revdeps(struct xbps_handle *xhp,
const char *pkg);
/**
* Removes a package dictionary from master package database (pkgdb) plist,
* matching pkgname or pkgver object in \a pkg.
*
* @param[in] xhp The pointer to the xbps_handle struct.
* @param[in] pkg Package name or pattern to match in a package dictionary.
* @param[in] flush If true, after successful replace the pkgdb contents
* in memory will be flushed atomically to storage.
*
* @return true on success, false otherwise.
*/
bool xbps_pkgdb_remove_pkg(struct xbps_handle *xhp, const char *pkg,
bool flush);
/**
* Replaces a package dictionary with \a dict in the master package database
* (pkgdb) plist, matching pkgname or pkgver object.
*
* @param[in] xhp The pointer to the xbps_handle struct.
* @param[in] pkgd Proplib dictionary to be added into pkgdb.
* @param[in] pkg Package name or pattern to match in a package dictionary.
* @param[in] flush If true, after successful replace the pkgdb contents in
* memory will be flushed atomically to storage.
*
* @return true on success, false otherwise.
*/
bool xbps_pkgdb_replace_pkg(struct xbps_handle *xhp,
prop_dictionary_t pkgd,
const char *pkg,
bool flush);
/**
* Updates the master package database (pkgdb) plist with new contents from
* disk to the cached copy in memory.
*
* @param[in] xhp The pointer to the xbps_handle struct.
* @param[in] flush If true the pkgdb plist contents in memory will
* be flushed atomically to storage.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_pkgdb_update(struct xbps_handle *xhp, bool flush);
/**
* Creates a temporary file and executes it in rootdir.
*
* @param[in] xhp The pointer to the xbps_handle struct.
* @param[in] blob The buffer pointer where the data is stored.
* @param[in] blobsiz The size of the buffer data.
* @param[in] pkgname The package name associated.
* @param[in] version The package version associated.
* @param[in] action The action to execute on the temporary file.
* @param[in] update Set to true if package is being updated.
*
* @return 0 on success, or an errno value otherwise.
*/
int xbps_pkg_exec_buffer(struct xbps_handle *xhp,
const void *blob,
const size_t blobsiz,
const char *pkgname,
const char *version,
const char *action,
bool update);
/**
* Creates a temporary file and executes it in rootdir.
*
* @param[in] xhp The pointer to the xbps_handle struct.
* @param[in] d Package dictionary where the script data is stored.
* @param[in] script Key associated with the script in dictionary.
* @param[in] action The action to execute on the temporary file.
* @param[in] update Set to true if package is being updated.
*
* @return 0 on success, or an errno value otherwise.
*/
int xbps_pkg_exec_script(struct xbps_handle *xhp,
prop_dictionary_t d,
const char *script,
const char *action,
bool update);
/*@}*/
/** @addtogroup plist */
/*@{*/
/**
* Executes a function callback specified in \a fn with \a arg passed
* as its argument into they array \a array.
*
* @param[in] xhp The pointer to the xbps_handle struct.
* @param[in] array Proplib array to iterate.
* @param[in] fn Function callback to run on every object in the array.
* While running the function callback, the hird parameter (a pointer to
* a boolean) can be set to true to stop immediately the loop.
* @param[in] arg Argument to be passed to the function callback.
*
* @return 0 on success, otherwise the value returned by the function
* callback.
*/
int xbps_callback_array_iter(struct xbps_handle *xhp,
prop_array_t array,
int (*fn)(struct xbps_handle *, prop_object_t, void *, bool *),
void *arg);
/**
* Executes a function callback specified in \a fn with \a arg passed
* as its argument into they array \a array in reverse order (upwards).
*
* @param[in] xhp The pointer to the xbps_handle struct.
* @param[in] array Proplib array to iterate.
* @param[in] fn Function callback to run on every object in the array.
* While running the function callback, the hird parameter (a pointer to
* a boolean) can be set to true to stop immediately the loop.
* @param[in] arg Argument to be passed to the function callback.
*
* @return 0 on success, otherwise the value returned by the function
* callback.
*/
int xbps_callback_array_iter_reverse(struct xbps_handle *xhp,
prop_array_t array,
int (*fn)(struct xbps_handle *, prop_object_t, void *, bool *),
void *arg);
/**
* Executes a function callback into the array associated with key \a key,
* contained in a proplib dictionary.
*
* @param[in] xhp The pointer to the xbps_handle struct.
* @param[in] dict Proplib dictionary where the array resides.
* @param[in] key Key associated with array.
* @param[in] fn Function callback to run on every
* object in the array. While running the function callback, the third
* parameter (a pointer to a boolean) can be set to true to stop
* immediately the loop.
* @param[in] arg Argument to be passed to the function callback.
*
* @return 0 on success (all objects were processed), otherwise
* the value returned by the function callback.
*/
int xbps_callback_array_iter_in_dict(struct xbps_handle *xhp,
prop_dictionary_t dict,
const char *key,
int (*fn)(struct xbps_handle *, prop_object_t, void *, bool *),
void *arg);
/**
* Executes a function callback (in reverse order) into the array
* associated with key \a key, contained in a proplib dictionary.
*
* @param[in] xhp The pointer to the xbps_handle struct.
* @param[in] dict Proplib dictionary where the array resides.
* @param[in] key Key associated with array.
* @param[in] fn Function callback to run on every
* object in the array. While running the function callback, the third
* parameter (a pointer to a boolean) can be set to true to stop
* immediately the loop.
* @param[in] arg Argument to be passed to the function callback.
*
* @return 0 on success (all objects were processed), otherwise
* the value returned by the function callback.
*/
int xbps_callback_array_iter_reverse_in_dict(struct xbps_handle *xhp,
prop_dictionary_t dict,
const char *key,
int (*fn)(struct xbps_handle *, prop_object_t, void *, bool *),
void *arg);
/**
* Match a virtual package name or pattern by looking at package's
* dictionary "provides" array object.
*
* @param[in] pkgd Package dictionary.
* @param[in] str Virtual package name or package pattern to match.
* @param[in] bypattern If true, \a str should be a package name,
* otherwise it should be a package pattern, i.e `foo>=0' or `foo<1'.
*
* @return True if \a str matches a virtual package in \a pkgd, false
* otherwise.
*/
bool xbps_match_virtual_pkg_in_dict(prop_dictionary_t pkgd,
const char *str,
bool bypattern);
/**
* Match any virtual package from array \a provides in they array \a rundeps
* with dependencies.
*
* @param[in] rundeps Proplib array with dependencies as strings, i.e foo>=2.0.
* @param[in] provides Proplib array of strings with virtual pkgdeps, i.e
* foo-1.0 blah-2.0.
*
* @return True if \a any virtualpkg has been matched, false otherwise.
*/
bool xbps_match_any_virtualpkg_in_rundeps(prop_array_t rundeps,
prop_array_t provides);
/**
* Match a package name in the specified array of strings.
*
* @param[in] array The proplib array to search on.
* @param[in] pkgname The package name to match.
*
* @return true on success, false otherwise and errno is set appropiately.
*/
bool xbps_match_pkgname_in_array(prop_array_t array, const char *pkgname);
/**
* Match a package pattern in the specified array of strings.
*
* @param[in] array The proplib array to search on.
* @param[in] pattern The package pattern to match, i.e `foo>=0' or `foo<1'.
*
* @return true on success, false otherwise and errno is set appropiately.
*/
bool xbps_match_pkgpattern_in_array(prop_array_t array, const char *pattern);
/**
* Match a package dependency against any package pattern in the specified
* array of strings.
*
* @param[in] array The proplib array to search on.
* @param[in] pkgver The package name-version to match, i.e `foo-1.0'.
*
* @return true on success, false otherwise and errno is set appropiately.
*/
bool xbps_match_pkgdep_in_array(prop_array_t array, const char *pkgver);
/**
* Match a string (exact match) in the specified array of strings.
*
* @param[in] array The proplib array to search on.
* @param[in] val The string to be matched.
*
* @return true on success, false otherwise and errno is set appropiately.
*/
bool xbps_match_string_in_array(prop_array_t array, const char *val);
/**
* Returns a proplib object iterator associated with an array, contained
* in a proplib dictionary matching the specified key.
*
* @param[in] dict Proplib dictionary where to look for the array.
* @param[in] key Key associated with the array.
*
* @return A proplib object iterator on success, NULL otherwise and
* errno is set appropiately.
*/
prop_object_iterator_t xbps_array_iter_from_dict(prop_dictionary_t dict,
const char *key);
/*@}*/
/** @addtogroup pkg_register */
/*@{*/
/**
* Register a package into the installed packages database.
*
* @param[in] xhp The pointer to the xbps_handle struct.
* @param[in] pkg_dict A dictionary with the following objects:
* \a pkgname, \a version, \a pkgver, \a short_desc (string),
* \a automatic-install (bool) and optionally \a provides (array of strings).
* @param[in] flush Set to true to make sure that pkgdb plist
* is written to storage on success.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_register_pkg(struct xbps_handle *xhp,
prop_dictionary_t pkg_dict,
bool flush);
/**
* Unregister a package from the package database.
*
* @param[in] xhp The pointer to the xbps_handle struct.
* @param[in] pkgver Package name-version to match.
* @param[in] flush Set to true to make sure that pkgdb plist
* is written to storage on success.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_unregister_pkg(struct xbps_handle *xhp, const char *pkgver,
bool flush);
/*@}*/
/** @addtogroup pkg_remove */
/*@{*/
/**
* Remove an installed package.
*
* @param[in] xhp The pointer to the xbps_handle struct.
* @param[in] pkgver Package name/version to match.
* @param[in] update If true, some steps will be skipped. See in the
* detailed description above for more information.
* @param[in] soft_replace If true, some steps will be skipped. See in
* the detailed description above for more information.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_remove_pkg(struct xbps_handle *xhp,
const char *pkgver,
bool update,
bool soft_replace);
/**
* Remove files defined in a proplib array as specified by \a key
* of an installed package.
*
* @param[in] xhp The pointer to the xbps_handle struct.
* @param[in] dict Proplib dictionary internalized from package's
* <b>XBPS_PKGFILES</b> definition in package's metadata directory.
* The image in Detailed description shows off its structure.
* @param[in] key Key of the array object to match, valid values are:
* <b>files</b>, <b>dirs</b>, <b>links</b> and <b>conf_files</b>.
* @param[in] pkgver Package/version string matching package dictionary,
* i.e `foo-1.0'.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_remove_pkg_files(struct xbps_handle *xhp,
prop_dictionary_t dict,
const char *key,
const char *pkgver);
/*@}*/
/** @addtogroup transaction */
/*@{*/
/**
* Finds a package by name or by pattern and enqueues it into
* the transaction dictionary for future use. If pkg is a pkgname, the best
* package version in repository pool will be queued, otherwise the first
* repository matching the package pattern wins.
*
* @param[in] xhp Pointer to the xbps_handle struct.
* @param[in] pkg Package name, package/version or package pattern to match, i.e
* `foo', `foo-1.0' or `foo>=1.2'.
* @param[in] reinstall If true, package will be queued (if \a str matches)
* even if package is already installed.
*
* @return 0 on success, otherwise an errno value.
* @retval EEXIST Package is already installed (reinstall wasn't enabled).
* @retval ENOENT Package not matched in repository pool.
* @retval ENOTSUP No repositories are available.
* @retval EINVAL Any other error ocurred in the process.
*/
int xbps_transaction_install_pkg(struct xbps_handle *xhp,
const char *pkg,
bool reinstall);
/**
* Marks a package as "going to be updated" in the transaction dictionary.
* All repositories in the pool will be used, and newest version
* available will be enqueued if it's greater than current installed
* version.
*
* @param[in] xhp Pointer to the xbps_handle struct.
* @param[in] pkgname The package name to update.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_transaction_update_pkg(struct xbps_handle *xhp, const char *pkgname);
/**
* Finds newer versions for all installed packages by looking at the
* repository pool. If a newer version exists, package will be enqueued
* into the transaction dictionary.
*
* @param[in] xhp Pointer to the xbps_handle struct.
* @return 0 on success, otherwise an errno value.
*/
int xbps_transaction_update_packages(struct xbps_handle *xhp);
/**
* Removes a package currently installed. The package dictionary will
* be added into the transaction dictionary.
*
* @param[in] xhp Pointer to the xbps_handle struct.
* @param[in] pkgname Package name to be removed.
* @param[in] recursive If true, all packages that are currently depending
* on the package to be removed, and if they are orphans, will be added.
*
* @retval 0 success.
* @retval ENOENT Package is not installed.
* @retval EEXIST Package has reverse dependencies.
* @retval EINVAL
* @retval ENXIO A problem ocurred in the process.
*/
int xbps_transaction_remove_pkg(struct xbps_handle *xhp,
const char *pkgname,
bool recursive);
/**
* Finds all package orphans currently installed and adds them into
* the transaction dictionary.
*
* @param[in] xhp Pointer to the xbps_handle struct.
*
* @retval 0 success.
* @retval ENOENT No package orphans were found.
* @retval ENXIO
* @retval EINVAL A problem ocurred in the process.
*/
int xbps_transaction_autoremove_pkgs(struct xbps_handle *xhp);
/**
* Returns the transaction dictionary, as shown above in the image.
* Before returning the package list is sorted in the correct order
* and total installed/download size for the transaction is computed.
*
* @param[in] xhp Pointer to the xbps_handle struct.
*
* @retval 0 success.
* @retval ENXIO if transaction dictionary and missing deps array were not created,
* due to xbps_transaction_install_pkg() or xbps_transaction_update_pkg() not
* previously called.
* @retval ENODEV if there are missing dependencies in transaction ("missing_deps"
* array of strings object in xhp->transd dictionary).
* @retval EAGAIN if there are package conflicts in transaction ("conflicts"
* array of strings object in xhp->transd dictionary).
* @retval EINVAL There was an error sorting packages or computing the transaction
* sizes.
*/
int xbps_transaction_prepare(struct xbps_handle *xhp);
/**
* Commit a transaction. The transaction dictionary in xhp->transd contains all
* steps to be executed in the transaction, as prepared by
* xbps_transaction_prepare().
*
* @param[in] xhp Pointer to the xbps_handle struct.
* @return 0 on success, otherwise an errno value.
*/
int xbps_transaction_commit(struct xbps_handle *xhp);
/*@}*/
/** @addtogroup plist_fetch */
/*@{*/
/**
* Internalizes a plist file in a binary package file stored locally or
* remotely as specified in \a fname.
*
* @param[in] fname Full URL to binary package file (local or remote path).
* @param[in] plistf Plist file name to internalize.
*
* @return An internalized proplib dictionary, otherwise NULL and
* errno is set appropiately.
*/
prop_dictionary_t xbps_get_pkg_plist_from_binpkg(const char *fname,
const char *plistf);
/*@}*/
/** @addtogroup repopool */
/*@{*/
/**
* @struct xbps_rindex xbps_api.h "xbps_api.h"
* @brief Repository pool index structure
*
* Repository index object structure registered in a private simple queue.
* The structure contains a dictionary and the URI associated with the
* registered repository index.
*/
struct xbps_rindex {
/**
* @var repod
*
* Internalized proplib dictionary of the index plist file
* associated with repository.
*/
prop_dictionary_t repod;
/**
* @var uri
*
* URI string associated with repository.
*/
const char *uri;
/**
* @var xhp
*
* Pointer to our xbps_handle struct passed to xbps_rpool_foreach.
* (read-only).
*/
struct xbps_handle *xhp;
};
/**
* Synchronizes \a file for all remote repositories
* as specified in the configuration file or if \a uri argument is
* set, just sync \a file for that repository.
*
* @param[in] xhp Pointer to the xbps_handle struct.
* @param[in] file File to synchronize.
* @param[in] uri Repository URI to match for sync (optional).
*
* @return 0 on success, ENOTSUP if no repositories were found in
* the configuration file.
*/
int xbps_rpool_sync(struct xbps_handle *xhp, const char *file, const char *uri);
/**
* Iterates over the repository pool and executes the \a fn function
* callback passing in the void * \a arg argument to it. The bool pointer
* argument can be used in the callbacks to stop immediately the loop if
* set to true, otherwise it will only be stopped if it returns a
* non-zero value.
*
* @param[in] xhp Pointer to the xbps_handle struct.
* @param[in] fn Function callback to execute for every repository registered in
* the pool.
* @param[in] arg Opaque data passed in to the \a fn function callback for
* client data.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_rpool_foreach(struct xbps_handle *xhp,
int (*fn)(struct xbps_rindex *, void *, bool *),
void *arg);
/**
* Finds a package dictionary in the repository pool by specifying a
* package pattern or a package name. This function does not take into
* account virtual packages, just matches real packages.
*
* @param[in] xhp Pointer to the xbps_handle struct.
* @param[in] pkg Package pattern, exact pkg or pkg name.
*
* @return The package dictionary if found, NULL otherwise.
* @note When returned dictionary is no longer needed, you must release it
* with prop_object_release(3).
*/
prop_dictionary_t xbps_rpool_get_pkg(struct xbps_handle *xhp, const char *pkg);
/**
* Finds a package dictionary in repository pool by specifying a
* virtual package pattern or a package name.
*
* @param[in] xhp Pointer to the xbps_handle struct.
* @param[in] pkg Virtual package pattern or name to match.
*
* @return The package dictionary if found, NULL otherwise.
* @note When returned dictionary is no longer needed, you must release it
* with prop_object_release(3).
*/
prop_dictionary_t xbps_rpool_get_virtualpkg(struct xbps_handle *xhp,
const char *pkg);
/**
* Iterate over the the repository pool and search for a metadata plist
* file in a binary package matching `pattern'. If a package is matched
* the plist file \a plistf will be internalized into a proplib dictionary.
*
* When \a pattern is a pkgname, the newest package available in repositories
* will be used. Otherwise the first repository matching \a pattern.
*
* @param[in] xhp Pointer to the xbps_handle struct.
* @param[in] pattern Package name or package pattern to match, i.e `foo>=1.0'.
* @param[in] plistf Plist file name to match, i.e XBPS_PKGPROPS or XBPS_PKGFILES.
*
* @return An internalized proplib dictionary of \a plistf, otherwise NULL
* and errno is set appropiately.
*
* @note if NULL is returned and errno is ENOENT, that means that
* binary package file has been found but the plist file could not
* be found.
*/
prop_dictionary_t xbps_rpool_get_pkg_plist(struct xbps_handle *xhp,
const char *pattern,
const char *plistf);
/*@}*/
/** @addtogroup rindex */
/*@{*/
/**
* Returns a pkg dictionary from a repository index \a ri matching
* the expression \a pkg.
*
* @param[in] ri Pointer to an xbps_rindex structure.
* @param[in] pkg Package expression to match in this repository index.
*
* @return The pkg dictionary on success, NULL otherwise.
*/
prop_dictionary_t xbps_rindex_get_pkg(struct xbps_rindex *ri, const char *pkg);
/**
* Returns a pkg dictionary from a repository index \a ri matching
* the expression \a pkg. On match the first package matching the virtual
* package expression will be returned.
*
* @param[in] ri Pointer to an xbps_rindex structure.
* @param[in] pkg Package expression to match in this repository index.
*
* @return The pkg dictionary on success, NULL otherwise.
*/
prop_dictionary_t xbps_rindex_get_virtualpkg(struct xbps_rindex *ri,
const char *pkg);
/*@}*/
/** @addtogroup pkgstates */
/*@{*/
/**
* @enum pkg_state_t
*
* Integer representing a state on which a package may be. Possible
* values for this are:
*
* - XBPS_PKG_STATE_UNPACKED: Package has been unpacked correctly
* but has not been configured due to unknown reasons.
* - XBPS_PKG_STATE_INSTALLED: Package has been installed successfully.
* - XBPS_PKG_STATE_BROKEN: not yet used.
* - XBPS_PKG_STATE_HALF_REMOVED: Package has been removed but not
* completely: the purge action in REMOVE script wasn't executed, pkg
* metadata directory still exists and is registered in package database.
* - XBPS_PKG_STATE_NOT_INSTALLED: Package going to be installed in
* a transaction dictionary but that has not been yet unpacked.
*/
typedef enum pkg_state {
XBPS_PKG_STATE_UNPACKED = 1,
XBPS_PKG_STATE_INSTALLED,
XBPS_PKG_STATE_BROKEN,
XBPS_PKG_STATE_HALF_REMOVED,
XBPS_PKG_STATE_NOT_INSTALLED,
} pkg_state_t;
/**
* Gets package state from package \a pkgname, and sets its state
* into \a state.
*
* @param[in] xhp The pointer to an xbps_handle struct.
* @param[in] pkgname Package name.
* @param[out] state Package state returned.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_pkg_state_installed(struct xbps_handle *xhp,
const char *pkgname,
pkg_state_t *state);
/**
* Gets package state from a package dictionary \a dict, and sets its
* state into \a state.
*
* @param[in] dict Package dictionary.
* @param[out] state Package state returned.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_pkg_state_dictionary(prop_dictionary_t dict, pkg_state_t *state);
/**
* Sets package state \a state in package \a pkgname.
*
* @param[in] xhp The pointer to an xbps_handle struct.
* @param[in] pkgname Package name.
* @param[in] version Package version.
* @param[in] state Package state to be set.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_set_pkg_state_installed(struct xbps_handle *xhp,
const char *pkgname,
const char *version,
pkg_state_t state);
/**
* Sets package state \a state in package dictionary \a dict.
*
* @param[in] dict Package dictionary.
* @param[in] state Package state to be set.
*
* @return 0 on success, otherwise an errno value.
*/
int xbps_set_pkg_state_dictionary(prop_dictionary_t dict, pkg_state_t state);
/*@}*/
/** @addtogroup util */
/*@{*/
/**
* Creates a directory (and required components if necessary).
*
* @param[in] path Path for final directory.
* @param[in] mode Mode for final directory (0755 if not specified).
*
* @return 0 on success, -1 on error and errno set appropiately.
*/
int xbps_mkpath(const char *path, mode_t mode);
/**
* Returns a string by concatenating its variable argument list
* as specified by the format string \a fmt.
*
* @param[in] fmt Format string, see printf(3).
* @return A pointer to a malloc(3)ed string, NULL otherwise and errno
* is set appropiately. The pointer should be free(3)d when it's
* no longer needed.
*/
char *xbps_xasprintf(const char *fmt, ...);
/**
* Returns a string with the sha256 hash for the file specified
* by \a file.
*
* @param[in] file Path to a file.
* @return A pointer to a malloc(3)ed string, NULL otherwise and errno
* is set appropiately. The pointer should be free(3)d when it's no
* longer needed.
*/
char *xbps_file_hash(const char *file);
/**
* Compares the sha256 hash of the file \a file with the sha256
* string specified by \a sha256.
*
* @param[in] file Path to a file.
* @param[in] sha256 SHA256 hash to compare.
*
* @return 0 if \a file and \a sha256 have the same hash, ERANGE
* if it differs, or any other errno value on error.
*/
int xbps_file_hash_check(const char *file, const char *sha256);
/**
* Checks if a package is currently installed by matching \a pkg.
*
* @param[in] xhp The pointer to an xbps_handle struct.
* @param[in] pkg Package name, version pattern or exact pkg to match.
*
* @return -1 on error (errno set appropiately), 0 if \a pkg
* didn't match installed package, 1 if \a pkg pattern fully
* matched installed package.
*/
int xbps_pkg_is_installed(struct xbps_handle *xhp, const char *pkg);
/**
* Checks if the URI specified by \a uri is remote or local.
*
* @param[in] uri URI string.
*
* @return true if URI is remote, false if local.
*/
bool xbps_repository_is_remote(const char *uri);
/**
* Gets the full path to a repository package index plist file, as
* specified by \a uri.
*
* @param[in] xhp The pointer to an xbps_handle struct.
* @param[in] uri Repository URI.
*
* @return A pointer to a malloc(3)d string, NULL otherwise and
* errno is set appropiately. The pointer should be free(3)d when it's
* no longer needed.
*/
char *xbps_pkg_index_plist(struct xbps_handle *xhp, const char *uri);
/**
* Returns the full path to a repository package index files plist file,
* as specified by \a uri.
*
* @param[in] xhp The pointer to an xbps_handle struct.
* @param[in] uri Repository URI.
*
* @return A pointer to a malloc(3)ed string, NULL otherwise and
* errno is set appropiately. The pointer should be free(3)d when it's
* no longer needded.
*/
char *xbps_pkg_index_files_plist(struct xbps_handle *xhp, const char *uri);
/**
* Gets the name of a package string. Package strings are composed
* by a @<pkgname@>/@<version@> pair and separated by the <em>minus</em>
* sign, i.e <b>foo-2.0</b>.
*
* @param[in] pkg Package string.
*
* @return A pointer to a malloc(3)d string, NULL otherwise and
* errno is set appropiately. The pointer should be free(3)d when it's
* no longer needed.
*/
char *xbps_pkg_name(const char *pkg);
/**
* Gets a the package name of a package pattern string specified by
* the \a pattern argument.
*
* @param[in] pattern A package pattern. Package patterns are composed
* by looking at <b>'><='</b> to split components, i.e <b>foo>=2.0</b>,
* <b>blah<1.0</b>, <b>blob==2.0</b>, etc.
*
* @return A pointer to a malloc(3)ed string with the package name,
* NULL otherwise and errno is set appropiately. The pointer should be
* free(3)d when it's no longer needed.
*/
char *xbps_pkgpattern_name(const char *pattern);
/**
* Gets the package version in a package string, i.e <b>foo-2.0</b>.
*
* @param[in] pkg Package string.
*
* @return A string with the version string, NULL if it couldn't
* find the version component.
*/
const char *xbps_pkg_version(const char *pkg);
/**
* Gets the package version of a package pattern string specified by
* the \a pattern argument.
*
* @param[in] pattern A package pattern. The same rules in
* xbps_get_pkgpattern_name() apply here.
*
* @return A string with the pattern version, NULL otherwise and
* errno is set appropiately.
*/
const char *xbps_pkgpattern_version(const char *pattern);
/**
* Package pattern matching.
*
* @param[in] pkgver Package name/version, i.e `foo-1.0'.
* @param[in] pattern Package pattern to match against \a pkgver.
* There are 3 strategies for version matching:
* - simple compare: pattern equals to pkgver.
* - shell wildcards: see fnmatch(3).
* - relational dewey matching: '>' '<' '>=' '<='.
*
* @return 1 if \a pkgver is matched against \a pattern, 0 if no match.
*/
int xbps_pkgpattern_match(const char *pkgver, const char *pattern);
/**
* Gets the package version revision in a package string.
*
* @param[in] pkg Package string, i.e <b>foo-2.0_1</b>.
*
* @return A string with the revision number, NULL if it couldn't
* find the revision component.
*/
const char *xbps_pkg_revision(const char *pkg);
/**
* Checks if a package has run dependencies.
*
* @param[in] dict Package dictionary.
*
* @return True if package has run dependencies, false otherwise.
*/
bool xbps_pkg_has_rundeps(prop_dictionary_t dict);
/**
* Returns true if provided string is valid for target architecture.
*
* @param[in] xhp The pointer to an xbps_handle struct.
* @param[in] orig Architecture to match.
* @param[in] target If not NULL, \a orig will be matched against it
* rather than returned value of uname(2).
*
* @return True on match, false otherwise.
*/
bool xbps_pkg_arch_match(struct xbps_handle *xhp,
const char *orig,
const char *target);
/**
* Converts the 64 bits signed number specified in \a bytes to
* a human parsable string buffer pointed to \a buf.
*
* @param[out] buf Buffer to store the resulting string. At least
* it should have space for 6 chars.
* @param[in] bytes 64 bits signed number to convert.
*
* @return A negative number is returned on error, 0 otherwise.
*/
int xbps_humanize_number(char *buf, int64_t bytes);
/**
* Compares package version strings.
*
* The package version is defined by:
* ${VERSION}[_${REVISION}].
*
* @param[in] pkg1 a package version string.
* @param[in] pkg2 a package version string.
*
* @return -1, 0 or 1 depending if pkg1 is less than, equal to or
* greater than pkg2.
*/
int xbps_cmpver(const char *pkg1, const char *pkg2);
/*@}*/
__END_DECLS
#endif /* !_XBPS_API_H_ */
Reference in New Issue View Git Blame Copy Permalink