954 lines
24 KiB
C
954 lines
24 KiB
C
/*
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* package.c
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*
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* Copyright (c) 2006-2010 Pacman Development Team <pacman-dev@archlinux.org>
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* Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
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* Copyright (c) 2005 by Aurelien Foret <orelien@chez.com>
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* Copyright (c) 2005, 2006 by Christian Hamar <krics@linuxforum.hu>
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* Copyright (c) 2005, 2006 by Miklos Vajna <vmiklos@frugalware.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <limits.h>
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#include <string.h>
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#include <ctype.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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/* libarchive */
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#include <archive.h>
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#include <archive_entry.h>
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/* libalpm */
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#include "package.h"
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#include "alpm_list.h"
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#include "log.h"
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#include "util.h"
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#include "db.h"
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#include "cache.h"
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#include "delta.h"
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#include "handle.h"
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#include "deps.h"
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/** \addtogroup alpm_packages Package Functions
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* @brief Functions to manipulate libalpm packages
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* @{
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*/
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/** Free a package.
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* @param pkg package pointer to free
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* @return 0 on success, -1 on error (pm_errno is set accordingly)
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*/
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int SYMEXPORT alpm_pkg_free(pmpkg_t *pkg)
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{
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ALPM_LOG_FUNC;
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ASSERT(pkg != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1));
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/* Only free packages loaded in user space */
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if(pkg->origin != PKG_FROM_CACHE) {
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_alpm_pkg_free(pkg);
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}
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return(0);
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}
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/** Check the integrity (with md5) of a package from the sync cache.
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* @param pkg package pointer
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* @return 0 on success, -1 on error (pm_errno is set accordingly)
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*/
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int SYMEXPORT alpm_pkg_checkmd5sum(pmpkg_t *pkg)
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{
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char *fpath;
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int retval;
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ALPM_LOG_FUNC;
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ASSERT(pkg != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1));
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/* We only inspect packages from sync repositories */
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ASSERT(pkg->origin == PKG_FROM_CACHE, RET_ERR(PM_ERR_PKG_INVALID, -1));
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ASSERT(pkg->origin_data.db != handle->db_local, RET_ERR(PM_ERR_PKG_INVALID, -1));
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fpath = _alpm_filecache_find(alpm_pkg_get_filename(pkg));
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retval = _alpm_test_md5sum(fpath, alpm_pkg_get_md5sum(pkg));
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if(retval == 0) {
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return(0);
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} else if (retval == 1) {
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pm_errno = PM_ERR_PKG_INVALID;
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retval = -1;
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}
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return(retval);
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}
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const char SYMEXPORT *alpm_pkg_get_filename(pmpkg_t *pkg)
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{
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ALPM_LOG_FUNC;
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/* Sanity checks */
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ASSERT(handle != NULL, return(NULL));
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ASSERT(pkg != NULL, return(NULL));
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if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) {
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_alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DESC);
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}
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return pkg->filename;
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}
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const char SYMEXPORT *alpm_pkg_get_name(pmpkg_t *pkg)
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{
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ASSERT(pkg != NULL, return(NULL));
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return pkg->name;
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}
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const char SYMEXPORT *alpm_pkg_get_version(pmpkg_t *pkg)
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{
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ASSERT(pkg != NULL, return(NULL));
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return pkg->version;
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}
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const char SYMEXPORT *alpm_pkg_get_desc(pmpkg_t *pkg)
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{
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ALPM_LOG_FUNC;
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/* Sanity checks */
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ASSERT(handle != NULL, return(NULL));
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ASSERT(pkg != NULL, return(NULL));
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if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) {
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_alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DESC);
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}
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return pkg->desc;
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}
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const char SYMEXPORT *alpm_pkg_get_url(pmpkg_t *pkg)
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{
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ALPM_LOG_FUNC;
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/* Sanity checks */
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ASSERT(handle != NULL, return(NULL));
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ASSERT(pkg != NULL, return(NULL));
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if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) {
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_alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DESC);
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}
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return pkg->url;
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}
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time_t SYMEXPORT alpm_pkg_get_builddate(pmpkg_t *pkg)
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{
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ALPM_LOG_FUNC;
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/* Sanity checks */
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ASSERT(handle != NULL, return(0));
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ASSERT(pkg != NULL, return(0));
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if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) {
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_alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DESC);
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}
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return pkg->builddate;
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}
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time_t SYMEXPORT alpm_pkg_get_installdate(pmpkg_t *pkg)
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{
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ALPM_LOG_FUNC;
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/* Sanity checks */
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ASSERT(handle != NULL, return(0));
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ASSERT(pkg != NULL, return(0));
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if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) {
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_alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DESC);
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}
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return pkg->installdate;
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}
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const char SYMEXPORT *alpm_pkg_get_packager(pmpkg_t *pkg)
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{
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ALPM_LOG_FUNC;
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/* Sanity checks */
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ASSERT(handle != NULL, return(NULL));
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ASSERT(pkg != NULL, return(NULL));
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if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) {
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_alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DESC);
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}
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return pkg->packager;
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}
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const char SYMEXPORT *alpm_pkg_get_md5sum(pmpkg_t *pkg)
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{
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ALPM_LOG_FUNC;
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/* Sanity checks */
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ASSERT(handle != NULL, return(NULL));
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ASSERT(pkg != NULL, return(NULL));
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if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) {
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_alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DESC);
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}
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return pkg->md5sum;
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}
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const char SYMEXPORT *alpm_pkg_get_arch(pmpkg_t *pkg)
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{
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ALPM_LOG_FUNC;
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/* Sanity checks */
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ASSERT(handle != NULL, return(NULL));
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ASSERT(pkg != NULL, return(NULL));
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if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) {
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_alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DESC);
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}
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return pkg->arch;
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}
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off_t SYMEXPORT alpm_pkg_get_size(pmpkg_t *pkg)
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{
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ALPM_LOG_FUNC;
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/* Sanity checks */
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ASSERT(handle != NULL, return(-1));
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ASSERT(pkg != NULL, return(-1));
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if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) {
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_alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DESC);
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}
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return pkg->size;
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}
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off_t SYMEXPORT alpm_pkg_get_isize(pmpkg_t *pkg)
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{
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ALPM_LOG_FUNC;
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/* Sanity checks */
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ASSERT(handle != NULL, return(-1));
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ASSERT(pkg != NULL, return(-1));
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if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) {
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_alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DESC);
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}
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return pkg->isize;
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}
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pmpkgreason_t SYMEXPORT alpm_pkg_get_reason(pmpkg_t *pkg)
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{
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ALPM_LOG_FUNC;
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/* Sanity checks */
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ASSERT(handle != NULL, return(-1));
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ASSERT(pkg != NULL, return(-1));
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if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) {
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_alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DESC);
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}
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return pkg->reason;
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}
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alpm_list_t SYMEXPORT *alpm_pkg_get_licenses(pmpkg_t *pkg)
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{
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ALPM_LOG_FUNC;
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/* Sanity checks */
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ASSERT(handle != NULL, return(NULL));
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ASSERT(pkg != NULL, return(NULL));
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if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) {
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_alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DESC);
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}
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return pkg->licenses;
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}
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alpm_list_t SYMEXPORT *alpm_pkg_get_groups(pmpkg_t *pkg)
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{
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ALPM_LOG_FUNC;
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/* Sanity checks */
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ASSERT(handle != NULL, return(NULL));
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ASSERT(pkg != NULL, return(NULL));
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if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) {
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_alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DESC);
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}
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return pkg->groups;
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}
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int SYMEXPORT alpm_pkg_has_force(pmpkg_t *pkg)
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{
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ALPM_LOG_FUNC;
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/* Sanity checks */
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ASSERT(handle != NULL, return(-1));
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ASSERT(pkg != NULL, return(-1));
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if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) {
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_alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DESC);
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}
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return pkg->force;
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}
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alpm_list_t SYMEXPORT *alpm_pkg_get_depends(pmpkg_t *pkg)
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{
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ALPM_LOG_FUNC;
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/* Sanity checks */
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ASSERT(handle != NULL, return(NULL));
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ASSERT(pkg != NULL, return(NULL));
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if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DEPENDS)) {
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_alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DEPENDS);
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}
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return pkg->depends;
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}
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alpm_list_t SYMEXPORT *alpm_pkg_get_optdepends(pmpkg_t *pkg)
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{
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ALPM_LOG_FUNC;
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/* Sanity checks */
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ASSERT(handle != NULL, return(NULL));
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ASSERT(pkg != NULL, return(NULL));
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if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DEPENDS)) {
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_alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DEPENDS);
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}
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return pkg->optdepends;
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}
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alpm_list_t SYMEXPORT *alpm_pkg_get_conflicts(pmpkg_t *pkg)
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{
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ALPM_LOG_FUNC;
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/* Sanity checks */
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ASSERT(handle != NULL, return(NULL));
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ASSERT(pkg != NULL, return(NULL));
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if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DEPENDS)) {
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_alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DEPENDS);
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}
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return pkg->conflicts;
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}
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alpm_list_t SYMEXPORT *alpm_pkg_get_provides(pmpkg_t *pkg)
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{
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ALPM_LOG_FUNC;
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/* Sanity checks */
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ASSERT(handle != NULL, return(NULL));
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ASSERT(pkg != NULL, return(NULL));
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if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DEPENDS)) {
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_alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DEPENDS);
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}
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return pkg->provides;
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}
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alpm_list_t SYMEXPORT *alpm_pkg_get_deltas(pmpkg_t *pkg)
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{
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ALPM_LOG_FUNC;
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/* Sanity checks */
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ASSERT(handle != NULL, return(NULL));
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ASSERT(pkg != NULL, return(NULL));
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if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DELTAS)) {
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_alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DELTAS);
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}
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return pkg->deltas;
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}
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alpm_list_t SYMEXPORT *alpm_pkg_get_replaces(pmpkg_t *pkg)
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{
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ALPM_LOG_FUNC;
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/* Sanity checks */
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ASSERT(handle != NULL, return(NULL));
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ASSERT(pkg != NULL, return(NULL));
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if(pkg->origin == PKG_FROM_CACHE && !(pkg->infolevel & INFRQ_DESC)) {
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_alpm_db_read(pkg->origin_data.db, pkg, INFRQ_DESC);
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}
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return pkg->replaces;
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}
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alpm_list_t SYMEXPORT *alpm_pkg_get_files(pmpkg_t *pkg)
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{
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ALPM_LOG_FUNC;
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/* Sanity checks */
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ASSERT(handle != NULL, return(NULL));
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ASSERT(pkg != NULL, return(NULL));
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if(pkg->origin == PKG_FROM_CACHE && pkg->origin_data.db == handle->db_local
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&& !(pkg->infolevel & INFRQ_FILES)) {
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_alpm_db_read(pkg->origin_data.db, pkg, INFRQ_FILES);
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}
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return pkg->files;
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}
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alpm_list_t SYMEXPORT *alpm_pkg_get_backup(pmpkg_t *pkg)
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{
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ALPM_LOG_FUNC;
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/* Sanity checks */
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ASSERT(handle != NULL, return(NULL));
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ASSERT(pkg != NULL, return(NULL));
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if(pkg->origin == PKG_FROM_CACHE && pkg->origin_data.db == handle->db_local
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&& !(pkg->infolevel & INFRQ_FILES)) {
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_alpm_db_read(pkg->origin_data.db, pkg, INFRQ_FILES);
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}
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return pkg->backup;
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}
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pmdb_t SYMEXPORT *alpm_pkg_get_db(pmpkg_t *pkg)
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{
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/* Sanity checks */
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ASSERT(pkg != NULL, return(NULL));
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ASSERT(pkg->origin == PKG_FROM_CACHE, return(NULL));
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return(pkg->origin_data.db);
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}
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/**
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* Open a package changelog for reading. Similar to fopen in functionality,
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* except that the returned 'file stream' could really be from an archive
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* as well as from the database.
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* @param pkg the package to read the changelog of (either file or db)
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* @return a 'file stream' to the package changelog
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*/
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void SYMEXPORT *alpm_pkg_changelog_open(pmpkg_t *pkg)
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{
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ALPM_LOG_FUNC;
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/* Sanity checks */
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ASSERT(handle != NULL, return(NULL));
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ASSERT(pkg != NULL, return(NULL));
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if(pkg->origin == PKG_FROM_CACHE) {
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char clfile[PATH_MAX];
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snprintf(clfile, PATH_MAX, "%s/%s/%s-%s/changelog",
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alpm_option_get_dbpath(),
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alpm_db_get_name(handle->db_local),
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alpm_pkg_get_name(pkg),
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alpm_pkg_get_version(pkg));
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return fopen(clfile, "r");
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} else if(pkg->origin == PKG_FROM_FILE) {
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struct archive *archive = NULL;
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struct archive_entry *entry;
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const char *pkgfile = pkg->origin_data.file;
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if((archive = archive_read_new()) == NULL) {
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RET_ERR(PM_ERR_LIBARCHIVE, NULL);
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}
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archive_read_support_compression_all(archive);
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archive_read_support_format_all(archive);
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if (archive_read_open_filename(archive, pkgfile,
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ARCHIVE_DEFAULT_BYTES_PER_BLOCK) != ARCHIVE_OK) {
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RET_ERR(PM_ERR_PKG_OPEN, NULL);
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}
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while(archive_read_next_header(archive, &entry) == ARCHIVE_OK) {
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const char *entry_name = archive_entry_pathname(entry);
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if(strcmp(entry_name, ".CHANGELOG") == 0) {
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return(archive);
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}
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}
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/* we didn't find a changelog */
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archive_read_finish(archive);
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errno = ENOENT;
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}
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return(NULL);
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}
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/**
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* Read data from an open changelog 'file stream'. Similar to fread in
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* functionality, this function takes a buffer and amount of data to read.
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* @param ptr a buffer to fill with raw changelog data
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* @param size the size of the buffer
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* @param pkg the package that the changelog is being read from
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* @param fp a 'file stream' to the package changelog
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* @return the number of characters read, or 0 if there is no more data
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*/
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size_t SYMEXPORT alpm_pkg_changelog_read(void *ptr, size_t size,
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const pmpkg_t *pkg, const void *fp)
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{
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size_t ret = 0;
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if(pkg->origin == PKG_FROM_CACHE) {
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ret = fread(ptr, 1, size, (FILE*)fp);
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} else if(pkg->origin == PKG_FROM_FILE) {
|
|
ret = archive_read_data((struct archive*)fp, ptr, size);
|
|
}
|
|
return(ret);
|
|
}
|
|
|
|
/*
|
|
int SYMEXPORT alpm_pkg_changelog_feof(const pmpkg_t *pkg, void *fp)
|
|
{
|
|
int ret = 0;
|
|
if(pkg->origin == PKG_FROM_CACHE) {
|
|
ret = feof((FILE*)fp);
|
|
} else if(pkg->origin == PKG_FROM_FILE) {
|
|
// note: this doesn't quite work, no feof in libarchive
|
|
ret = archive_read_data((struct archive*)fp, NULL, 0);
|
|
}
|
|
return(ret);
|
|
}
|
|
*/
|
|
|
|
/**
|
|
* Close a package changelog for reading. Similar to fclose in functionality,
|
|
* except that the 'file stream' could really be from an archive as well as
|
|
* from the database.
|
|
* @param pkg the package that the changelog was read from
|
|
* @param fp a 'file stream' to the package changelog
|
|
* @return whether closing the package changelog stream was successful
|
|
*/
|
|
int SYMEXPORT alpm_pkg_changelog_close(const pmpkg_t *pkg, void *fp)
|
|
{
|
|
int ret = 0;
|
|
if(pkg->origin == PKG_FROM_CACHE) {
|
|
ret = fclose((FILE*)fp);
|
|
} else if(pkg->origin == PKG_FROM_FILE) {
|
|
ret = archive_read_finish((struct archive *)fp);
|
|
}
|
|
return(ret);
|
|
}
|
|
|
|
int SYMEXPORT alpm_pkg_has_scriptlet(pmpkg_t *pkg)
|
|
{
|
|
ALPM_LOG_FUNC;
|
|
|
|
/* Sanity checks */
|
|
ASSERT(handle != NULL, return(-1));
|
|
ASSERT(pkg != NULL, return(-1));
|
|
|
|
if(pkg->origin == PKG_FROM_CACHE && pkg->origin_data.db == handle->db_local
|
|
&& !(pkg->infolevel & INFRQ_SCRIPTLET)) {
|
|
_alpm_db_read(pkg->origin_data.db, pkg, INFRQ_SCRIPTLET);
|
|
}
|
|
return pkg->scriptlet;
|
|
}
|
|
|
|
/**
|
|
* @brief Compute the packages requiring a given package.
|
|
* @param pkg a package
|
|
* @return the list of packages requiring pkg
|
|
*/
|
|
alpm_list_t SYMEXPORT *alpm_pkg_compute_requiredby(pmpkg_t *pkg)
|
|
{
|
|
const alpm_list_t *i;
|
|
alpm_list_t *reqs = NULL;
|
|
|
|
pmdb_t *localdb = alpm_option_get_localdb();
|
|
for(i = _alpm_db_get_pkgcache(localdb); i; i = i->next) {
|
|
if(!i->data) {
|
|
continue;
|
|
}
|
|
pmpkg_t *cachepkg = i->data;
|
|
if(_alpm_dep_edge(cachepkg, pkg)) {
|
|
const char *cachepkgname = cachepkg->name;
|
|
reqs = alpm_list_add(reqs, strdup(cachepkgname));
|
|
}
|
|
}
|
|
return(reqs);
|
|
}
|
|
|
|
/** Compare two version strings and determine which one is 'newer'.
|
|
* Returns a value comparable to the way strcmp works. Returns 1
|
|
* if a is newer than b, 0 if a and b are the same version, or -1
|
|
* if b is newer than a.
|
|
*
|
|
* This function has been adopted from the rpmvercmp function located
|
|
* at lib/rpmvercmp.c, and was most recently updated against rpm
|
|
* version 4.4.2.3. Small modifications have been made to make it more
|
|
* consistent with the libalpm coding style.
|
|
*
|
|
* Keep in mind that the pkgrel is only compared if it is available
|
|
* on both versions handed to this function. For example, comparing
|
|
* 1.5-1 and 1.5 will yield 0; comparing 1.5-1 and 1.5-2 will yield
|
|
* -1 as expected. This is mainly for supporting versioned dependencies
|
|
* that do not include the pkgrel.
|
|
*/
|
|
int SYMEXPORT alpm_pkg_vercmp(const char *a, const char *b)
|
|
{
|
|
char oldch1, oldch2;
|
|
char *str1, *str2;
|
|
char *ptr1, *ptr2;
|
|
char *one, *two;
|
|
int rc;
|
|
int isnum;
|
|
int ret = 0;
|
|
|
|
ALPM_LOG_FUNC;
|
|
|
|
/* libalpm added code. ensure our strings are not null */
|
|
if(!a) {
|
|
if(!b) return(0);
|
|
return(-1);
|
|
}
|
|
if(!b) return(1);
|
|
|
|
/* easy comparison to see if versions are identical */
|
|
if(strcmp(a, b) == 0) return(0);
|
|
|
|
str1 = strdup(a);
|
|
str2 = strdup(b);
|
|
|
|
one = str1;
|
|
two = str2;
|
|
|
|
/* loop through each version segment of str1 and str2 and compare them */
|
|
while(*one && *two) {
|
|
while(*one && !isalnum((int)*one)) one++;
|
|
while(*two && !isalnum((int)*two)) two++;
|
|
|
|
/* If we ran to the end of either, we are finished with the loop */
|
|
if(!(*one && *two)) break;
|
|
|
|
ptr1 = one;
|
|
ptr2 = two;
|
|
|
|
/* grab first completely alpha or completely numeric segment */
|
|
/* leave one and two pointing to the start of the alpha or numeric */
|
|
/* segment and walk ptr1 and ptr2 to end of segment */
|
|
if(isdigit((int)*ptr1)) {
|
|
while(*ptr1 && isdigit((int)*ptr1)) ptr1++;
|
|
while(*ptr2 && isdigit((int)*ptr2)) ptr2++;
|
|
isnum = 1;
|
|
} else {
|
|
while(*ptr1 && isalpha((int)*ptr1)) ptr1++;
|
|
while(*ptr2 && isalpha((int)*ptr2)) ptr2++;
|
|
isnum = 0;
|
|
}
|
|
|
|
/* save character at the end of the alpha or numeric segment */
|
|
/* so that they can be restored after the comparison */
|
|
oldch1 = *ptr1;
|
|
*ptr1 = '\0';
|
|
oldch2 = *ptr2;
|
|
*ptr2 = '\0';
|
|
|
|
/* this cannot happen, as we previously tested to make sure that */
|
|
/* the first string has a non-null segment */
|
|
if (one == ptr1) {
|
|
ret = -1; /* arbitrary */
|
|
goto cleanup;
|
|
}
|
|
|
|
/* take care of the case where the two version segments are */
|
|
/* different types: one numeric, the other alpha (i.e. empty) */
|
|
/* numeric segments are always newer than alpha segments */
|
|
/* XXX See patch #60884 (and details) from bugzilla #50977. */
|
|
if (two == ptr2) {
|
|
ret = isnum ? 1 : -1;
|
|
goto cleanup;
|
|
}
|
|
|
|
if (isnum) {
|
|
/* this used to be done by converting the digit segments */
|
|
/* to ints using atoi() - it's changed because long */
|
|
/* digit segments can overflow an int - this should fix that. */
|
|
|
|
/* throw away any leading zeros - it's a number, right? */
|
|
while (*one == '0') one++;
|
|
while (*two == '0') two++;
|
|
|
|
/* whichever number has more digits wins */
|
|
if (strlen(one) > strlen(two)) {
|
|
ret = 1;
|
|
goto cleanup;
|
|
}
|
|
if (strlen(two) > strlen(one)) {
|
|
ret = -1;
|
|
goto cleanup;
|
|
}
|
|
}
|
|
|
|
/* strcmp will return which one is greater - even if the two */
|
|
/* segments are alpha or if they are numeric. don't return */
|
|
/* if they are equal because there might be more segments to */
|
|
/* compare */
|
|
rc = strcmp(one, two);
|
|
if (rc) {
|
|
ret = rc < 1 ? -1 : 1;
|
|
goto cleanup;
|
|
}
|
|
|
|
/* restore character that was replaced by null above */
|
|
*ptr1 = oldch1;
|
|
one = ptr1;
|
|
*ptr2 = oldch2;
|
|
two = ptr2;
|
|
|
|
/* libalpm added code. check if version strings have hit the pkgrel
|
|
* portion. depending on which strings have hit, take correct action.
|
|
* this is all based on the premise that we only have one dash in
|
|
* the version string, and it separates pkgver from pkgrel. */
|
|
if(*ptr1 == '-' && *ptr2 == '-') {
|
|
/* no-op, continue comparing since we are equivalent throughout */
|
|
} else if(*ptr1 == '-') {
|
|
/* ptr1 has hit the pkgrel and ptr2 has not. continue version
|
|
* comparison after stripping the pkgrel from ptr1. */
|
|
*ptr1 = '\0';
|
|
} else if(*ptr2 == '-') {
|
|
/* ptr2 has hit the pkgrel and ptr1 has not. continue version
|
|
* comparison after stripping the pkgrel from ptr2. */
|
|
*ptr2 = '\0';
|
|
}
|
|
}
|
|
|
|
/* this catches the case where all numeric and alpha segments have */
|
|
/* compared identically but the segment separating characters were */
|
|
/* different */
|
|
if ((!*one) && (!*two)) {
|
|
ret = 0;
|
|
goto cleanup;
|
|
}
|
|
|
|
/* the final showdown. we never want a remaining alpha string to
|
|
* beat an empty string. the logic is a bit weird, but:
|
|
* - if one is empty and two is not an alpha, two is newer.
|
|
* - if one is an alpha, two is newer.
|
|
* - otherwise one is newer.
|
|
* */
|
|
if ( ( !*one && !isalpha((int)*two) )
|
|
|| isalpha((int)*one) ) {
|
|
ret = -1;
|
|
} else {
|
|
ret = 1;
|
|
}
|
|
|
|
cleanup:
|
|
free(str1);
|
|
free(str2);
|
|
return(ret);
|
|
}
|
|
|
|
/** @} */
|
|
|
|
pmpkg_t *_alpm_pkg_new(void)
|
|
{
|
|
pmpkg_t* pkg;
|
|
|
|
ALPM_LOG_FUNC;
|
|
|
|
CALLOC(pkg, 1, sizeof(pmpkg_t), RET_ERR(PM_ERR_MEMORY, NULL));
|
|
|
|
return(pkg);
|
|
}
|
|
|
|
pmpkg_t *_alpm_pkg_dup(pmpkg_t *pkg)
|
|
{
|
|
pmpkg_t *newpkg;
|
|
alpm_list_t *i;
|
|
|
|
ALPM_LOG_FUNC;
|
|
|
|
CALLOC(newpkg, 1, sizeof(pmpkg_t), RET_ERR(PM_ERR_MEMORY, NULL));
|
|
|
|
STRDUP(newpkg->filename, pkg->filename, RET_ERR(PM_ERR_MEMORY, newpkg));
|
|
STRDUP(newpkg->name, pkg->name, RET_ERR(PM_ERR_MEMORY, newpkg));
|
|
STRDUP(newpkg->version, pkg->version, RET_ERR(PM_ERR_MEMORY, newpkg));
|
|
STRDUP(newpkg->desc, pkg->desc, RET_ERR(PM_ERR_MEMORY, newpkg));
|
|
STRDUP(newpkg->url, pkg->url, RET_ERR(PM_ERR_MEMORY, newpkg));
|
|
newpkg->builddate = pkg->builddate;
|
|
newpkg->installdate = pkg->installdate;
|
|
STRDUP(newpkg->packager, pkg->packager, RET_ERR(PM_ERR_MEMORY, newpkg));
|
|
STRDUP(newpkg->md5sum, pkg->md5sum, RET_ERR(PM_ERR_MEMORY, newpkg));
|
|
STRDUP(newpkg->arch, pkg->arch, RET_ERR(PM_ERR_MEMORY, newpkg));
|
|
newpkg->size = pkg->size;
|
|
newpkg->isize = pkg->isize;
|
|
newpkg->scriptlet = pkg->scriptlet;
|
|
newpkg->force = pkg->force;
|
|
newpkg->reason = pkg->reason;
|
|
|
|
newpkg->licenses = alpm_list_strdup(pkg->licenses);
|
|
newpkg->replaces = alpm_list_strdup(pkg->replaces);
|
|
newpkg->groups = alpm_list_strdup(pkg->groups);
|
|
newpkg->files = alpm_list_strdup(pkg->files);
|
|
newpkg->backup = alpm_list_strdup(pkg->backup);
|
|
for(i = pkg->depends; i; i = alpm_list_next(i)) {
|
|
newpkg->depends = alpm_list_add(newpkg->depends, _alpm_dep_dup(i->data));
|
|
}
|
|
newpkg->optdepends = alpm_list_strdup(pkg->optdepends);
|
|
newpkg->conflicts = alpm_list_strdup(pkg->conflicts);
|
|
newpkg->provides = alpm_list_strdup(pkg->provides);
|
|
newpkg->deltas = alpm_list_copy_data(pkg->deltas, sizeof(pmdelta_t));
|
|
|
|
/* internal */
|
|
newpkg->origin = pkg->origin;
|
|
if(newpkg->origin == PKG_FROM_FILE) {
|
|
newpkg->origin_data.file = strdup(pkg->origin_data.file);
|
|
} else {
|
|
newpkg->origin_data.db = pkg->origin_data.db;
|
|
}
|
|
newpkg->infolevel = pkg->infolevel;
|
|
|
|
return(newpkg);
|
|
}
|
|
|
|
void _alpm_pkg_free(pmpkg_t *pkg)
|
|
{
|
|
ALPM_LOG_FUNC;
|
|
|
|
if(pkg == NULL) {
|
|
return;
|
|
}
|
|
|
|
FREE(pkg->filename);
|
|
FREE(pkg->name);
|
|
FREE(pkg->version);
|
|
FREE(pkg->desc);
|
|
FREE(pkg->url);
|
|
FREE(pkg->packager);
|
|
FREE(pkg->md5sum);
|
|
FREE(pkg->arch);
|
|
FREELIST(pkg->licenses);
|
|
FREELIST(pkg->replaces);
|
|
FREELIST(pkg->groups);
|
|
FREELIST(pkg->files);
|
|
FREELIST(pkg->backup);
|
|
alpm_list_free_inner(pkg->depends, (alpm_list_fn_free)_alpm_dep_free);
|
|
alpm_list_free(pkg->depends);
|
|
FREELIST(pkg->optdepends);
|
|
FREELIST(pkg->conflicts);
|
|
FREELIST(pkg->provides);
|
|
alpm_list_free_inner(pkg->deltas, (alpm_list_fn_free)_alpm_delta_free);
|
|
alpm_list_free(pkg->deltas);
|
|
alpm_list_free(pkg->delta_path);
|
|
alpm_list_free(pkg->removes);
|
|
|
|
if(pkg->origin == PKG_FROM_FILE) {
|
|
FREE(pkg->origin_data.file);
|
|
}
|
|
FREE(pkg);
|
|
}
|
|
|
|
/* This function should be used when removing a target from upgrade/sync target list
|
|
* Case 1: If pkg is a loaded package file (PKG_FROM_FILE), it will be freed.
|
|
* Case 2: If pkg is a pkgcache entry (PKG_FROM_CACHE), it won't be freed,
|
|
* only the transaction specific fields of pkg will be freed.
|
|
*/
|
|
void _alpm_pkg_free_trans(pmpkg_t *pkg)
|
|
{
|
|
ALPM_LOG_FUNC;
|
|
|
|
if(pkg == NULL) {
|
|
return;
|
|
}
|
|
|
|
if(pkg->origin == PKG_FROM_FILE) {
|
|
_alpm_pkg_free(pkg);
|
|
return;
|
|
}
|
|
|
|
alpm_list_free(pkg->removes);
|
|
pkg->removes = NULL;
|
|
}
|
|
|
|
/* Is spkg an upgrade for locapkg? */
|
|
int _alpm_pkg_compare_versions(pmpkg_t *spkg, pmpkg_t *localpkg)
|
|
{
|
|
int cmp = 0;
|
|
|
|
ALPM_LOG_FUNC;
|
|
|
|
cmp = alpm_pkg_vercmp(alpm_pkg_get_version(spkg),
|
|
alpm_pkg_get_version(localpkg));
|
|
|
|
if(cmp < 0 && alpm_pkg_has_force(spkg)) {
|
|
cmp = 1;
|
|
}
|
|
|
|
return(cmp);
|
|
}
|
|
|
|
/* Helper function for comparing packages
|
|
*/
|
|
int _alpm_pkg_cmp(const void *p1, const void *p2)
|
|
{
|
|
pmpkg_t *pkg1 = (pmpkg_t *)p1;
|
|
pmpkg_t *pkg2 = (pmpkg_t *)p2;
|
|
return(strcmp(pkg1->name, pkg2->name));
|
|
}
|
|
|
|
/* Test for existence of a package in a alpm_list_t*
|
|
* of pmpkg_t*
|
|
*/
|
|
pmpkg_t *_alpm_pkg_find(alpm_list_t *haystack, const char *needle)
|
|
{
|
|
alpm_list_t *lp;
|
|
|
|
ALPM_LOG_FUNC;
|
|
|
|
if(needle == NULL || haystack == NULL) {
|
|
return(NULL);
|
|
}
|
|
|
|
for(lp = haystack; lp; lp = lp->next) {
|
|
pmpkg_t *info = lp->data;
|
|
|
|
if(info && strcmp(info->name, needle) == 0) {
|
|
return(info);
|
|
}
|
|
}
|
|
return(NULL);
|
|
}
|
|
|
|
/** Test if a package should be ignored.
|
|
*
|
|
* Checks if the package is ignored via IgnorePkg, or if the package is
|
|
* in a group ignored via IgnoreGrp.
|
|
*
|
|
* @param pkg the package to test
|
|
*
|
|
* @return 1 if the package should be ignored, 0 otherwise
|
|
*/
|
|
int _alpm_pkg_should_ignore(pmpkg_t *pkg)
|
|
{
|
|
alpm_list_t *groups = NULL;
|
|
|
|
/* first see if the package is ignored */
|
|
if(alpm_list_find_str(handle->ignorepkg, alpm_pkg_get_name(pkg))) {
|
|
return(1);
|
|
}
|
|
|
|
/* next see if the package is in a group that is ignored */
|
|
for(groups = handle->ignoregrp; groups; groups = alpm_list_next(groups)) {
|
|
char *grp = (char *)alpm_list_getdata(groups);
|
|
if(alpm_list_find_str(alpm_pkg_get_groups(pkg), grp)) {
|
|
return(1);
|
|
}
|
|
}
|
|
|
|
return(0);
|
|
}
|
|
|
|
/* vim: set ts=2 sw=2 noet: */
|