/* vi: set sw=4 ts=4: *//* * Mini remove_file implementation for busybox * * Copyright (C) 2001 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 <stdio.h>#include <time.h>#include <utime.h>#include <dirent.h>#include <errno.h>#include <unistd.h>#include <stdlib.h>#include <string.h>#include <getopt.h>#include "libbb.h"extern int remove_file(const char *path, int flags){	struct stat path_stat;	int path_exists = 1;	if (lstat(path, &path_stat) < 0) {		if (errno != ENOENT) {			perror_msg("unable to stat `%s'", path);			return -1;		}		path_exists = 0;	}	if (!path_exists) {		if (!(flags & FILEUTILS_FORCE)) {			perror_msg("cannot remove `%s'", path);			return -1;		}		return 0;	}	if (S_ISDIR(path_stat.st_mode)) {		DIR *dp;		struct dirent *d;		int status = 0;		if (!(flags & FILEUTILS_RECUR)) {			error_msg("%s: is a directory", path);			return -1;		}		if ((!(flags & FILEUTILS_FORCE) && access(path, W_OK) < 0 &&					isatty(0)) ||				(flags & FILEUTILS_INTERACTIVE)) {			fprintf(stderr, "%s: descend into directory `%s'? ", applet_name,					path);			if (!ask_confirmation())				return 0;		}		if ((dp = opendir(path)) == NULL) {			perror_msg("unable to open `%s'", path);			return -1;		}		while ((d = readdir(dp)) != NULL) {			char *new_path;			if (strcmp(d->d_name, ".") == 0 ||					strcmp(d->d_name, "..") == 0)				continue;			new_path = concat_path_file(path, d->d_name);			if (remove_file(new_path, flags) < 0)				status = -1;			free(new_path);		}		if (closedir(dp) < 0) {			perror_msg("unable to close `%s'", path);			return -1;		}		if (flags & FILEUTILS_INTERACTIVE) {			fprintf(stderr, "%s: remove directory `%s'? ", applet_name, path);			if (!ask_confirmation())				return status;		}		if (rmdir(path) < 0) {			perror_msg("unable to remove `%s'", path);			return -1;		}		return status;	} else {		if ((!(flags & FILEUTILS_FORCE) && access(path, W_OK) < 0 &&					!S_ISLNK(path_stat.st_mode) &&					isatty(0)) ||				(flags & FILEUTILS_INTERACTIVE)) {			fprintf(stderr, "%s: remove `%s'? ", applet_name, path);			if (!ask_confirmation())				return 0;		}		if (unlink(path) < 0) {			perror_msg("unable to remove `%s'", path);			return -1;		}		return 0;	}}