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- /*
- * dpkg - main program for package management
- * pkg-array.c - primitives for pkg array handling
- *
- * Copyright © 1995,1996 Ian Jackson <ian@chiark.greenend.org.uk>
- * Copyright © 2009 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,
- * 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 <http://www.gnu.org/licenses/>.
- */
- #include <config.h>
- #include <compat.h>
- #include <assert.h>
- #include <string.h>
- #include <stdlib.h>
- #include <dpkg/dpkg.h>
- #include <dpkg/dpkg-db.h>
- #include <dpkg/pkg-array.h>
- /**
- * Initialize a package array from the package database.
- *
- * @param a The array to initialize.
- */
- void
- pkg_array_init_from_db(struct pkg_array *a)
- {
- struct pkgiterator *it;
- struct pkginfo *pkg;
- int i;
- a->n_pkgs = countpackages();
- a->pkgs = m_malloc(sizeof(a->pkgs[0]) * a->n_pkgs);
- it = iterpkgstart();
- for (i = 0; (pkg = iterpkgnext(it)); i++)
- a->pkgs[i] = pkg;
- iterpkgend(it);
- assert(i == a->n_pkgs);
- }
- /**
- * Sort a package array.
- *
- * @param a The array to sort.
- * @param pkg_sort The function to sort the array.
- */
- void
- pkg_array_sort(struct pkg_array *a, pkg_sorter_func *pkg_sort)
- {
- qsort(a->pkgs, a->n_pkgs, sizeof(a->pkgs[0]), pkg_sort);
- }
- /**
- * Free a package array.
- *
- * @param a The array to free.
- */
- void
- pkg_array_free(struct pkg_array *a)
- {
- a->n_pkgs = 0;
- free(a->pkgs);
- a->pkgs = NULL;
- }
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