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115 lines
2.9 KiB
C
115 lines
2.9 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Mini cp implementation for busybox
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*
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*
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* Copyright (C) 2000 by Matt Kraai <kraai@alumni.carnegiemellon.edu>
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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 <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <utime.h>
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#include <errno.h>
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#include <dirent.h>
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#include <stdlib.h>
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#include "busybox.h"
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extern int cp_main(int argc, char **argv)
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{
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int status = 0;
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int opt;
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int flags = FILEUTILS_DEREFERENCE;
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int i;
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while ((opt = getopt(argc, argv, "adfipR")) != -1)
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switch (opt) {
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case 'a':
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flags |= FILEUTILS_PRESERVE_STATUS | FILEUTILS_RECUR;
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/* fallthrough */
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case 'd':
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flags &= ~FILEUTILS_DEREFERENCE;
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break;
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case 'f':
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flags |= FILEUTILS_FORCE;
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break;
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case 'i':
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flags |= FILEUTILS_INTERACTIVE;
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break;
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case 'p':
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flags |= FILEUTILS_PRESERVE_STATUS;
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break;
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case 'R':
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flags |= FILEUTILS_RECUR;
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break;
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default:
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show_usage();
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}
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if (optind + 2 > argc)
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show_usage();
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/* If there are only two arguments and... */
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if (optind + 2 == argc) {
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struct stat source_stat;
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struct stat dest_stat;
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int source_exists = 1;
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int dest_exists = 1;
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if ((!(flags & FILEUTILS_DEREFERENCE) &&
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lstat(argv[optind], &source_stat) < 0) ||
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((flags & FILEUTILS_DEREFERENCE) &&
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stat(argv[optind], &source_stat))) {
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if (errno != ENOENT)
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perror_msg_and_die("unable to stat `%s'", argv[optind]);
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source_exists = 0;
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}
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if (stat(argv[optind + 1], &dest_stat) < 0) {
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if (errno != ENOENT)
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perror_msg_and_die("unable to stat `%s'", argv[optind + 1]);
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dest_exists = 0;
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}
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/* ...if neither is a directory or... */
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if (((!source_exists || !S_ISDIR(source_stat.st_mode)) &&
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(!dest_exists || !S_ISDIR(dest_stat.st_mode))) ||
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/* ...recursing, the first is a directory, and the
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* second doesn't exist, then... */
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((flags & FILEUTILS_RECUR) && S_ISDIR(source_stat.st_mode) &&
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!dest_exists)) {
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/* ...do a simple copy. */
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if (copy_file(argv[optind], argv[optind + 1], flags) < 0)
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status = 1;
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return status;
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}
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}
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for (i = optind; i < argc - 1; i++) {
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char *dest = concat_path_file(argv[argc - 1],
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get_last_path_component(argv[i]));
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if (copy_file(argv[i], dest, flags) < 0)
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status = 1;
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free(dest);
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}
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return status;
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}
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