| /* vi: set sw=4 ts=4: */ |
| /* |
| * Mini remove_file implementation for busybox |
| * |
| * Copyright (C) 2001 Matt Kraai <kraai@alumni.carnegiemellon.edu> |
| * |
| * Licensed under GPLv2 or later, see file LICENSE in this source tree. |
| */ |
| |
| #include "libbb.h" |
| |
| /* Used from NOFORK applets. Must not allocate anything */ |
| |
| int FAST_FUNC remove_file(const char *path, int flags) |
| { |
| struct stat path_stat; |
| |
| if (lstat(path, &path_stat) < 0) { |
| if (errno != ENOENT) { |
| bb_perror_msg("can't stat '%s'", path); |
| return -1; |
| } |
| if (!(flags & FILEUTILS_FORCE)) { |
| bb_perror_msg("can't 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)) { |
| bb_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 (!bb_ask_confirmation()) |
| return 0; |
| } |
| |
| dp = opendir(path); |
| if (dp == NULL) { |
| return -1; |
| } |
| |
| while ((d = readdir(dp)) != NULL) { |
| char *new_path; |
| |
| new_path = concat_subpath_file(path, d->d_name); |
| if (new_path == NULL) |
| continue; |
| if (remove_file(new_path, flags) < 0) |
| status = -1; |
| free(new_path); |
| } |
| |
| if (closedir(dp) < 0) { |
| bb_perror_msg("can't close '%s'", path); |
| return -1; |
| } |
| |
| if (flags & FILEUTILS_INTERACTIVE) { |
| fprintf(stderr, "%s: remove directory '%s'? ", applet_name, path); |
| if (!bb_ask_confirmation()) |
| return status; |
| } |
| |
| if (rmdir(path) < 0) { |
| bb_perror_msg("can't remove '%s'", path); |
| return -1; |
| } |
| |
| if (flags & FILEUTILS_VERBOSE) { |
| printf("removed directory: '%s'\n", path); |
| } |
| |
| return status; |
| } |
| |
| /* !ISDIR */ |
| 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 (!bb_ask_confirmation()) |
| return 0; |
| } |
| |
| if (unlink(path) < 0) { |
| bb_perror_msg("can't remove '%s'", path); |
| return -1; |
| } |
| |
| if (flags & FILEUTILS_VERBOSE) { |
| printf("removed '%s'\n", path); |
| } |
| |
| return 0; |
| } |