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