diff options
Diffstat (limited to 'lib/dpkg/pkg-files.c')
| -rw-r--r-- | lib/dpkg/pkg-files.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/lib/dpkg/pkg-files.c b/lib/dpkg/pkg-files.c new file mode 100644 index 0000000..f022132 --- /dev/null +++ b/lib/dpkg/pkg-files.c @@ -0,0 +1,95 @@ +/* + * libdpkg - Debian packaging suite library routines + * pkg-files.c - handle list of filesystem files per package + * + * Copyright © 1995 Ian Jackson <ijackson@chiark.greenend.org.uk> + * Copyright © 2000,2001 Wichert Akkerman <wakkerma@debian.org> + * Copyright © 2008-2014 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 <dpkg/i18n.h> +#include <dpkg/dpkg.h> +#include <dpkg/dpkg-db.h> +#include <dpkg/pkg-list.h> +#include <dpkg/pkg-files.h> + +/** + * Erase the files saved in pkg. + */ +void +pkg_files_blank(struct pkginfo *pkg) +{ + struct fsys_namenode_list *current; + + for (current = pkg->files; + current; + current = current->next) { + struct pkg_list **pkg_prev = ¤t->namenode->packages; + struct pkg_list *pkg_node; + + /* For each file that used to be in the package, go through + * looking for this package's entry in the list of packages + * containing this file, and blank it out. */ + for (pkg_node = current->namenode->packages; + pkg_node; + pkg_node = pkg_node->next) { + if (pkg_node->pkg == pkg) { + *pkg_prev = pkg_node->next; + + /* The actual filelist links were allocated + * w/ nfmalloc, so we should not free them. */ + break; + } + + pkg_prev = &pkg_node->next; + } + } + pkg->files = NULL; +} + +struct fsys_namenode_list ** +pkg_files_add_file(struct pkginfo *pkg, struct fsys_namenode *namenode, + struct fsys_namenode_list **file_tail) +{ + struct fsys_namenode_list *newent; + struct pkg_list *pkg_node; + + if (file_tail == NULL) + file_tail = &pkg->files; + + /* Make sure we're at the end. */ + while ((*file_tail) != NULL) + file_tail = &((*file_tail)->next); + + /* Create a new node. */ + newent = nfmalloc(sizeof(*newent)); + newent->namenode = namenode; + newent->next = NULL; + *file_tail = newent; + file_tail = &newent->next; + + /* Add pkg to newent's package list. */ + pkg_node = nfmalloc(sizeof(*pkg_node)); + pkg_node->pkg = pkg; + pkg_node->next = newent->namenode->packages; + newent->namenode->packages = pkg_node; + + /* Return the position for the next guy. */ + return file_tail; +} |