From 008d0be72b2f160382c6e880765e96b64a050c65 Mon Sep 17 00:00:00 2001 From: Andreas Baumann Date: Sat, 3 Jan 2015 12:04:58 +0100 Subject: imported original firmware WRT54GL_v4.30.11_11_US --- release/src/router/busybox/mv.c | 168 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 168 insertions(+) create mode 100644 release/src/router/busybox/mv.c (limited to 'release/src/router/busybox/mv.c') diff --git a/release/src/router/busybox/mv.c b/release/src/router/busybox/mv.c new file mode 100644 index 00000000..b890abf6 --- /dev/null +++ b/release/src/router/busybox/mv.c @@ -0,0 +1,168 @@ +/* vi: set sw=4 ts=4: */ +/* + * Mini mv implementation for busybox + * + * + * Copyright (C) 2000 by Matt Kraai + * + * 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 +#include +#include +#include +#include +#include + +#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 | + FILEUTILS_PRESERVE_SYMLINKS) < 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; +} -- cgit v1.2.3-54-g00ecf