mirror of
https://github.com/topjohnwu/ndk-busybox.git
synced 2024-12-14 15:28:38 +00:00
140 lines
3.3 KiB
C
140 lines
3.3 KiB
C
/* 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
|
|
*
|
|
*/
|
|
|
|
/* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
|
|
*
|
|
* Size reduction and improved error checking.
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <unistd.h>
|
|
#include <dirent.h>
|
|
#include <errno.h>
|
|
#include <stdlib.h>
|
|
#include <getopt.h>
|
|
#include "busybox.h"
|
|
#include "libcoreutils/coreutils.h"
|
|
|
|
static const struct option mv_long_options[] = {
|
|
{ "interactive", 0, NULL, 'i' },
|
|
{ "force", 0, NULL, 'f' },
|
|
{ 0, 0, 0, 0 }
|
|
};
|
|
|
|
#define OPT_FILEUTILS_FORCE 1
|
|
#define OPT_FILEUTILS_INTERACTIVE 2
|
|
|
|
static const char fmt[] = "cannot overwrite %sdirectory with %sdirectory";
|
|
|
|
extern int mv_main(int argc, char **argv)
|
|
{
|
|
struct stat dest_stat;
|
|
const char *last;
|
|
const char *dest;
|
|
unsigned long flags;
|
|
int dest_exists;
|
|
int status = 0;
|
|
|
|
bb_applet_long_options = mv_long_options;
|
|
bb_opt_complementaly = "f-i:i-f";
|
|
flags = bb_getopt_ulflags(argc, argv, "fi");
|
|
if (optind + 2 > argc) {
|
|
bb_show_usage();
|
|
}
|
|
|
|
last = argv[argc - 1];
|
|
argv += optind;
|
|
|
|
if (optind + 2 == argc) {
|
|
if ((dest_exists = cp_mv_stat(last, &dest_stat)) < 0) {
|
|
return 1;
|
|
}
|
|
|
|
if (!(dest_exists & 2)) {
|
|
dest = last;
|
|
goto DO_MOVE;
|
|
}
|
|
}
|
|
|
|
do {
|
|
dest = concat_path_file(last, bb_get_last_path_component(*argv));
|
|
|
|
if ((dest_exists = cp_mv_stat(dest, &dest_stat)) < 0) {
|
|
goto RET_1;
|
|
}
|
|
|
|
DO_MOVE:
|
|
|
|
if (dest_exists && !(flags & OPT_FILEUTILS_FORCE) &&
|
|
((access(dest, W_OK) < 0 && isatty(0)) ||
|
|
(flags & OPT_FILEUTILS_INTERACTIVE))) {
|
|
if (fprintf(stderr, "mv: overwrite `%s'? ", dest) < 0) {
|
|
goto RET_1; /* Ouch! fprintf failed! */
|
|
}
|
|
if (!bb_ask_confirmation()) {
|
|
goto RET_0;
|
|
}
|
|
}
|
|
if (rename(*argv, dest) < 0) {
|
|
struct stat source_stat;
|
|
int source_exists;
|
|
|
|
if (errno != EXDEV) {
|
|
bb_perror_msg("unable to rename `%s'", *argv);
|
|
}
|
|
else if ((source_exists = cp_mv_stat(*argv, &source_stat)) >= 0) {
|
|
if (dest_exists) {
|
|
if (dest_exists == 3) {
|
|
if (source_exists != 3) {
|
|
bb_error_msg(fmt, "", "non-");
|
|
goto RET_1;
|
|
}
|
|
} else {
|
|
if (source_exists == 3) {
|
|
bb_error_msg(fmt, "non-", "");
|
|
goto RET_1;
|
|
}
|
|
}
|
|
if (unlink(dest) < 0) {
|
|
bb_perror_msg("cannot remove `%s'", dest);
|
|
goto RET_1;
|
|
}
|
|
}
|
|
if ((copy_file(*argv, dest,
|
|
FILEUTILS_RECUR | FILEUTILS_PRESERVE_STATUS) >= 0) &&
|
|
(remove_file(*argv, FILEUTILS_RECUR | FILEUTILS_FORCE) >= 0)) {
|
|
goto RET_0;
|
|
}
|
|
}
|
|
RET_1:
|
|
status = 1;
|
|
}
|
|
RET_0:
|
|
if (dest != last) {
|
|
free((void *) dest);
|
|
}
|
|
} while (*++argv != last);
|
|
|
|
return (status);
|
|
}
|