/* * backup.c * * Copyright (c) 2006-2018 Pacman Development Team <pacman-dev@archlinux.org> * Copyright (c) 2005 by Judd Vinet <jvinet@zeroflux.org> * Copyright (c) 2005 by Aurelien Foret <orelien@chez.com> * Copyright (c) 2005 by Christian Hamar <krics@linuxforum.hu> * Copyright (c) 2006 by Miklos Vajna <vmiklos@frugalware.org> * * This program 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 program 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 <stdlib.h> #include <string.h> /* libalpm */ #include "backup.h" #include "alpm_list.h" #include "log.h" #include "util.h" /* split a backup string "file\thash" into the relevant components */ int _alpm_split_backup(const char *string, alpm_backup_t **backup) { char *str, *ptr; STRDUP(str, string, return -1); /* tab delimiter */ ptr = str ? strchr(str, '\t') : NULL; if(ptr == NULL) { (*backup)->name = str; (*backup)->hash = NULL; return 0; } *ptr = '\0'; ptr++; /* now str points to the filename and ptr points to the hash */ STRDUP((*backup)->name, str, FREE(str); return -1); STRDUP((*backup)->hash, ptr, FREE((*backup)->name); FREE(str); return -1); FREE(str); return 0; } /* Look for a filename in a alpm_pkg_t.backup list. If we find it, * then we return the full backup entry. */ alpm_backup_t *_alpm_needbackup(const char *file, alpm_pkg_t *pkg) { const alpm_list_t *lp; if(file == NULL || pkg == NULL) { return NULL; } for(lp = alpm_pkg_get_backup(pkg); lp; lp = lp->next) { alpm_backup_t *backup = lp->data; if(strcmp(file, backup->name) == 0) { return backup; } } return NULL; } void _alpm_backup_free(alpm_backup_t *backup) { ASSERT(backup != NULL, return); FREE(backup->name); FREE(backup->hash); FREE(backup); } alpm_backup_t *_alpm_backup_dup(const alpm_backup_t *backup) { alpm_backup_t *newbackup; CALLOC(newbackup, 1, sizeof(alpm_backup_t), return NULL); STRDUP(newbackup->name, backup->name, goto error); STRDUP(newbackup->hash, backup->hash, goto error); return newbackup; error: free(newbackup->name); free(newbackup); return NULL; } /* vim: set noet: */