diff options
Diffstat (limited to 'mv.c')
| -rw-r--r-- | mv.c | 168 |
1 files changed, 0 insertions, 168 deletions
@@ -1,168 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * Mini mv implementation for busybox - * - * - * Copyright (C) 2000 by Matt Kraai <kraai@alumni.carnegiemellon.edu> - * - * 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, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#include <sys/types.h> -#include <sys/stat.h> -#include <unistd.h> -#include <dirent.h> -#include <errno.h> -#include <stdlib.h> - -#include "busybox.h" - -static int flags; - -static int manual_rename(const char *source, const char *dest) -{ - struct stat source_stat; - struct stat dest_stat; - int source_exists = 1; - int dest_exists = 1; - - if (stat(source, &source_stat) < 0) { - if (errno != ENOENT) { - perror_msg("unable to stat `%s'", source); - return -1; - } - source_exists = 0; - } - - if (stat(dest, &dest_stat) < 0) { - if (errno != ENOENT) { - perror_msg("unable to stat `%s'", dest); - return -1; - } - dest_exists = 0; - } - - if (dest_exists) { - if (S_ISDIR(dest_stat.st_mode) && - (!source_exists || !S_ISDIR(source_stat.st_mode))) { - error_msg("cannot overwrite directory with non-directory"); - return -1; - } - - if (!S_ISDIR(dest_stat.st_mode) && source_exists && - S_ISDIR(source_stat.st_mode)) { - error_msg("cannot overwrite non-directory with directory"); - return -1; - } - - if (unlink(dest) < 0) { - perror_msg("cannot remove `%s'", dest); - return -1; - } - } - - if (copy_file(source, dest, - FILEUTILS_RECUR | FILEUTILS_PRESERVE_STATUS) < 0) - return -1; - - if (remove_file(source, FILEUTILS_RECUR | FILEUTILS_FORCE) < 0) - return -1; - - return 0; -} - -static int move_file(const char *source, const char *dest) -{ - struct stat dest_stat; - int dest_exists = 1; - - if (stat(dest, &dest_stat) < 0) { - if (errno != ENOENT) { - perror_msg("unable to stat `%s'", dest); - return -1; - } - dest_exists = 0; - } - - if (dest_exists && !(flags & FILEUTILS_FORCE) && - ((access(dest, W_OK) < 0 && isatty(0)) || - (flags & FILEUTILS_INTERACTIVE))) { - fprintf(stderr, "mv: overwrite `%s'? ", dest); - if (!ask_confirmation()) - return 0; - } - - if (rename(source, dest) < 0) { - if (errno == EXDEV) - return manual_rename(source, dest); - - perror_msg("unable to rename `%s'", source); - return -1; - } - - return 0; -} - -extern int mv_main(int argc, char **argv) -{ - int status = 0; - int opt; - int i; - - while ((opt = getopt(argc, argv, "fi")) != -1) - switch (opt) { - case 'f': - flags &= ~FILEUTILS_INTERACTIVE; - flags |= FILEUTILS_FORCE; - break; - case 'i': - flags &= ~FILEUTILS_FORCE; - flags |= FILEUTILS_INTERACTIVE; - break; - default: - show_usage(); - } - - if (optind + 2 > argc) - show_usage(); - - if (optind + 2 == argc) { - struct stat dest_stat; - int dest_exists = 1; - - if (stat(argv[optind + 1], &dest_stat) < 0) { - if (errno != ENOENT) - perror_msg_and_die("unable to stat `%s'", argv[optind + 1]); - dest_exists = 0; - } - - if (!dest_exists || !S_ISDIR(dest_stat.st_mode)) { - if (move_file(argv[optind], argv[optind + 1]) < 0) - status = 1; - return status; - } - } - - for (i = optind; i < argc - 1; i++) { - char *dest = concat_path_file(argv[argc - 1], - get_last_path_component(argv[i])); - if (move_file(argv[i], dest) < 0) - status = 1; - free(dest); - } - - return status; -} |