diff options
Diffstat (limited to 'lib/dpkg/pkg.c')
| -rw-r--r-- | lib/dpkg/pkg.c | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/lib/dpkg/pkg.c b/lib/dpkg/pkg.c new file mode 100644 index 0000000..22bab5b --- /dev/null +++ b/lib/dpkg/pkg.c @@ -0,0 +1,217 @@ +/* + * libdpkg - Debian packaging suite library routines + * pkg.c - primitives for pkg handling + * + * Copyright © 1995, 1996 Ian Jackson <ijackson@chiark.greenend.org.uk> + * Copyright © 2009-2014 Guillem Jover <guillem@debian.org> + * + * This is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +#include <config.h> +#include <compat.h> + +#include <string.h> + +#include <dpkg/ehandle.h> +#include <dpkg/string.h> +#include <dpkg/dpkg-db.h> +#include <dpkg/pkg.h> + +/** + * Set the package installation status. + */ +void +pkg_set_status(struct pkginfo *pkg, enum pkgstatus status) +{ + if (pkg->status == status) + return; + else if (pkg->status == PKG_STAT_NOTINSTALLED) + pkg->set->installed_instances++; + else if (status == PKG_STAT_NOTINSTALLED) + pkg->set->installed_instances--; + + if (pkg->set->installed_instances < 0) + internerr("pkgset %s went into negative installed instances %d", + pkg->set->name, pkg->set->installed_instances); + + pkg->status = status; + pkg->status_dirty = true; +} + +/** + * Set the specified flags to 1 in the package error flags. + */ +void +pkg_set_eflags(struct pkginfo *pkg, enum pkgeflag eflag) +{ + pkg->eflag |= eflag; +} + +/** + * Clear the specified flags to 0 in the package error flags. + */ +void +pkg_clear_eflags(struct pkginfo *pkg, enum pkgeflag eflag) +{ + pkg->eflag &= ~eflag; +} + +/** + * Reset the package error flags to 0. + */ +void +pkg_reset_eflags(struct pkginfo *pkg) +{ + pkg->eflag = PKG_EFLAG_OK; +} + +/** + * Copy the package error flags to another package. + */ +void +pkg_copy_eflags(struct pkginfo *pkg_dst, struct pkginfo *pkg_src) +{ + pkg_dst->eflag = pkg_src->eflag; +} + +/** + * Set the package selection status. + */ +void +pkg_set_want(struct pkginfo *pkg, enum pkgwant want) +{ + pkg->want = want; +} + +void +pkgbin_blank(struct pkgbin *pkgbin) +{ + pkgbin->essential = false; + pkgbin->is_protected = false; + pkgbin->depends = NULL; + pkgbin->pkgname_archqual = NULL; + pkgbin->description = NULL; + pkgbin->maintainer = NULL; + pkgbin->source = NULL; + pkgbin->installedsize = NULL; + pkgbin->bugs = NULL; + pkgbin->origin = NULL; + dpkg_version_blank(&pkgbin->version); + pkgbin->conffiles = NULL; + pkgbin->arbs = NULL; +} + +void +pkg_blank(struct pkginfo *pkg) +{ + pkg->status = PKG_STAT_NOTINSTALLED; + pkg->status_dirty = false; + pkg->eflag = PKG_EFLAG_OK; + pkg->want = PKG_WANT_UNKNOWN; + pkg->priority = PKG_PRIO_UNKNOWN; + pkg->otherpriority = NULL; + pkg->section = NULL; + dpkg_version_blank(&pkg->configversion); + pkg->files_list_valid = false; + pkg->files_list_phys_offs = 0; + pkg->files = NULL; + pkg->archives = NULL; + pkg->clientdata = NULL; + pkg->trigaw.head = NULL; + pkg->trigaw.tail = NULL; + pkg->othertrigaw_head = NULL; + pkg->trigpend_head = NULL; + pkgbin_blank(&pkg->installed); + pkgbin_blank(&pkg->available); + + /* The architectures are reset here (instead of in pkgbin_blank), + * because they are part of the package specification, and needed + * for selections. */ + pkg->installed.arch = dpkg_arch_get(DPKG_ARCH_NONE); + pkg->installed.multiarch = PKG_MULTIARCH_NO; + pkg->available.arch = dpkg_arch_get(DPKG_ARCH_NONE); + pkg->available.multiarch = PKG_MULTIARCH_NO; +} + +void +pkgset_blank(struct pkgset *set) +{ + set->name = NULL; + set->depended.available = NULL; + set->depended.installed = NULL; + pkg_blank(&set->pkg); + set->installed_instances = 0; + set->pkg.set = set; + set->pkg.arch_next = NULL; +} + +/** + * Link a pkginfo instance into a package set. + * + * @param set The package set to use. + * @param pkg The package to link into the set. + */ +void +pkgset_link_pkg(struct pkgset *set, struct pkginfo *pkg) +{ + pkg->set = set; + pkg->arch_next = set->pkg.arch_next; + set->pkg.arch_next = pkg; +} + +/** + * Get the number of installed package instances in a package set. + * + * @param set The package set to use. + * + * @return The count of installed packages. + */ +int +pkgset_installed_instances(struct pkgset *set) +{ + return set->installed_instances; +} + +/** + * Check if a pkg is informative. + * + * Used by dselect and dpkg query options as an aid to decide whether to + * display things, and by dump to decide whether to write them out. + */ +bool +pkg_is_informative(struct pkginfo *pkg, struct pkgbin *pkgbin) +{ + /* We ignore Section and Priority, as these tend to hang around. */ + if (pkgbin == &pkg->installed && + (pkg->want != PKG_WANT_UNKNOWN || + pkg->eflag != PKG_EFLAG_OK || + pkg->status != PKG_STAT_NOTINSTALLED || + dpkg_version_is_informative(&pkg->configversion))) + return true; + + if (pkgbin->depends || + str_is_set(pkgbin->description) || + str_is_set(pkgbin->maintainer) || + str_is_set(pkgbin->origin) || + str_is_set(pkgbin->bugs) || + str_is_set(pkgbin->installedsize) || + str_is_set(pkgbin->source) || + dpkg_version_is_informative(&pkgbin->version) || + pkgbin->conffiles || + pkgbin->arbs) + return true; + + return false; +} |