Remove file obsoleted by cp/mv rewrite.
This commit is contained in:
Matt Kraai
parent
91b2855ba8
commit
de1b262942
325
cp_mv.c
325
cp_mv.c
@ -1,325 +0,0 @@
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/* vi: set sw=4 ts=4: */
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/*
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* Mini `cp' and `mv' implementation for BusyBox.
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*
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*
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* Copyright (C) 1999,2000,2001 by Lineo, inc.
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* Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
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*
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* Copyright (C) 2000 by BitterSweet Enterprises, LLC. (GPL)
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* Extensively modified and rewritten by Karl M. Hegbloom <karlheg@debian.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <stdio.h>
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#include <time.h>
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#include <utime.h>
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#include <dirent.h>
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#include <sys/param.h>
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#include <setjmp.h>
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#include <string.h>
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#include <unistd.h>
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#include <errno.h>
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#include <getopt.h>
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#include <stdlib.h>
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#include "busybox.h"
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#define BB_DECLARE_EXTERN
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#define bb_need_name_too_long
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#define bb_need_omitting_directory
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#define bb_need_not_a_directory
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#include "messages.c"
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static const int is_cp = 0;
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static const int is_mv = 1;
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static int dz_i; /* index into cp_mv_usage */
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static int recursiveFlag;
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static int followLinks;
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static int preserveFlag;
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static int forceFlag;
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static const char *baseSrcName;
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static int srcDirFlag;
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static struct stat srcStatBuf;
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static char *pBaseDestName;
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static size_t baseDestLen;
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static int destDirFlag;
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static struct stat destStatBuf;
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static jmp_buf catch;
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static volatile int mv_Action_first_time;
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static void name_too_long__exit (void) __attribute__((noreturn));
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static
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void name_too_long__exit (void)
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{
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error_msg_and_die(name_too_long);
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}
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static void
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fill_baseDest_buf(char *_buf, size_t * _buflen) {
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const char *srcBasename;
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if ((srcBasename = strrchr(baseSrcName, '/')) == NULL) {
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srcBasename = baseSrcName;
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if (_buf[*_buflen - 1] != '/') {
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if (++(*_buflen) > BUFSIZ)
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name_too_long__exit();
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strcat(_buf, "/");
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}
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}
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if (*_buflen + strlen(srcBasename) > BUFSIZ)
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name_too_long__exit();
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strcat(_buf, srcBasename);
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return;
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}
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static int
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cp_mv_Action(const char *fileName, struct stat *statbuf, void* junk)
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{
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char destName[BUFSIZ + 1];
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size_t destLen;
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const char *srcBasename;
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char *name;
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strcpy(destName, pBaseDestName);
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destLen = strlen(destName);
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if (srcDirFlag == TRUE) {
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if (recursiveFlag == FALSE) {
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error_msg(omitting_directory, baseSrcName);
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return TRUE;
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}
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srcBasename = (strstr(fileName, baseSrcName)
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+ strlen(baseSrcName));
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if (destLen + strlen(srcBasename) > BUFSIZ) {
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error_msg(name_too_long);
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return FALSE;
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}
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strcat(destName, srcBasename);
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}
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else if (destDirFlag == TRUE) {
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fill_baseDest_buf(&destName[0], &destLen);
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}
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else {
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srcBasename = baseSrcName;
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}
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if (mv_Action_first_time && (dz_i == is_mv)) {
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mv_Action_first_time = errno = 0;
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if (rename(fileName, destName) < 0 && errno != EXDEV) {
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perror_msg("rename(%s, %s)", fileName, destName);
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goto do_copyFile; /* Try anyway... */
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}
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else if (errno == EXDEV)
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goto do_copyFile;
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else
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longjmp(catch, 1); /* succeeded with rename() */
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}
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do_copyFile:
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if (preserveFlag == TRUE && statbuf->st_nlink > 1) {
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if (is_in_ino_dev_hashtable(statbuf, &name)) {
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if (link(name, destName) < 0) {
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perror_msg("link(%s, %s)", name, destName);
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return FALSE;
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}
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return TRUE;
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}
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else {
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add_to_ino_dev_hashtable(statbuf, destName);
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}
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}
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return copy_file(fileName, destName, preserveFlag, followLinks, forceFlag, FALSE);
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}
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static int
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rm_Action(const char *fileName, struct stat *statbuf, void* junk)
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{
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int status = TRUE;
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if (S_ISDIR(statbuf->st_mode)) {
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if (rmdir(fileName) < 0) {
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perror_msg("rmdir(%s)", fileName);
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status = FALSE;
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}
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} else if (unlink(fileName) < 0) {
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perror_msg("unlink(%s)", fileName);
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status = FALSE;
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}
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return status;
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}
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extern int cp_mv_main(int argc, char **argv)
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{
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volatile int i;
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int c;
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RESERVE_BB_BUFFER(baseDestName,BUFSIZ + 1);
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pBaseDestName = baseDestName; /* available globally */
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if (*applet_name == 'c' && *(applet_name + 1) == 'p')
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dz_i = is_cp;
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else
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dz_i = is_mv;
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if (argc < 3)
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show_usage();
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if (dz_i == is_cp) {
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recursiveFlag = preserveFlag = forceFlag = FALSE;
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followLinks = TRUE;
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while ((c = getopt(argc, argv, "adpRf")) != EOF) {
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switch (c) {
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case 'a':
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followLinks = FALSE;
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preserveFlag = TRUE;
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recursiveFlag = TRUE;
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break;
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case 'd':
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followLinks = FALSE;
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break;
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case 'p':
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preserveFlag = TRUE;
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break;
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case 'R':
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recursiveFlag = TRUE;
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break;
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case 'f':
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forceFlag = TRUE;
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break;
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default:
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show_usage();
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}
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}
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if ((argc - optind) < 2) {
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show_usage();
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}
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} else { /* (dz_i == is_mv) */
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/* Initialize optind to 1, since in libc5 optind
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* is not initialized until getopt() is called
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* (or until sneaky programmers force it...). */
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optind = 1;
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recursiveFlag = preserveFlag = TRUE;
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followLinks = FALSE;
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}
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if (strlen(argv[argc - 1]) > BUFSIZ) {
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error_msg(name_too_long);
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goto exit_false;
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}
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strcpy(baseDestName, argv[argc - 1]);
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baseDestLen = strlen(baseDestName);
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if (baseDestLen == 0)
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goto exit_false;
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destDirFlag = is_directory(baseDestName, TRUE, &destStatBuf);
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if (argc - optind > 2 && destDirFlag == FALSE) {
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error_msg(not_a_directory, baseDestName);
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goto exit_false;
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}
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for (i = optind; i < (argc-1); i++) {
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size_t srcLen;
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volatile int flags_memo;
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int status;
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baseSrcName=argv[i];
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if ((srcLen = strlen(baseSrcName)) > BUFSIZ)
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name_too_long__exit();
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if (srcLen == 0) continue; /* "" */
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srcDirFlag = is_directory(baseSrcName, followLinks, &srcStatBuf);
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if ((flags_memo = (recursiveFlag == TRUE &&
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srcDirFlag == TRUE && destDirFlag == TRUE))) {
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struct stat sb;
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int state = 0;
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char *pushd, *d, *p;
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if ((pushd = xgetcwd(0)) == NULL)
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continue;
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if (chdir(baseDestName) < 0) {
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perror_msg("chdir(%s)", baseSrcName);
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continue;
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}
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if ((d = xgetcwd(0)) == NULL)
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continue;
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while (!state && *d != '\0') {
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if (stat(d, &sb) < 0) { /* stat not lstat - always dereference targets */
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perror_msg("stat(%s)", d);
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state = -1;
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continue;
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}
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if ((sb.st_ino == srcStatBuf.st_ino) &&
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(sb.st_dev == srcStatBuf.st_dev)) {
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error_msg("Cannot %s `%s' into a subdirectory of itself, "
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"`%s/%s'", applet_name, baseSrcName,
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baseDestName, baseSrcName);
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state = -1;
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continue;
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}
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if ((p = strrchr(d, '/')) != NULL) {
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*p = '\0';
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}
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}
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if (chdir(pushd) < 0) {
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perror_msg("chdir(%s)", pushd);
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free(pushd);
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free(d);
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continue;
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}
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free(pushd);
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free(d);
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if (state < 0)
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continue;
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else
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fill_baseDest_buf(baseDestName, &baseDestLen);
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}
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status = setjmp(catch);
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if (status == 0) {
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mv_Action_first_time = 1;
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if (recursive_action(baseSrcName,
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recursiveFlag, followLinks, FALSE,
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cp_mv_Action, cp_mv_Action, NULL) == FALSE) goto exit_false;
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if (dz_i == is_mv &&
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recursive_action(baseSrcName,
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recursiveFlag, followLinks, TRUE,
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rm_Action, rm_Action, NULL) == FALSE) goto exit_false;
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}
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if (flags_memo)
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*(baseDestName + baseDestLen) = '\0';
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}
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return EXIT_SUCCESS;
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exit_false:
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return EXIT_FAILURE;
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}
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/*
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Local Variables:
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c-file-style: "linux"
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c-basic-offset: 4
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tab-width: 4
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End:
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*/
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