mirror of
https://github.com/topjohnwu/ndk-busybox.git
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101 lines
2.0 KiB
C
101 lines
2.0 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Mini remove_file implementation for busybox
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*
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* Copyright (C) 2001 Matt Kraai <kraai@alumni.carnegiemellon.edu>
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*
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* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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*/
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#include "libbb.h"
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/* Used from NOFORK applets. Must not allocate anything */
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int remove_file(const char *path, int flags)
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{
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struct stat path_stat;
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if (lstat(path, &path_stat) < 0) {
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if (errno != ENOENT) {
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bb_perror_msg("cannot stat '%s'", path);
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return -1;
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}
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if (!(flags & FILEUTILS_FORCE)) {
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bb_perror_msg("cannot remove '%s'", path);
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return -1;
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}
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return 0;
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}
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if (S_ISDIR(path_stat.st_mode)) {
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DIR *dp;
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struct dirent *d;
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int status = 0;
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if (!(flags & FILEUTILS_RECUR)) {
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bb_error_msg("%s: is a directory", path);
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return -1;
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}
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if ((!(flags & FILEUTILS_FORCE) && access(path, W_OK) < 0 && isatty(0))
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|| (flags & FILEUTILS_INTERACTIVE)
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) {
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fprintf(stderr, "%s: descend into directory '%s'? ", applet_name,
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path);
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if (!bb_ask_confirmation())
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return 0;
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}
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dp = opendir(path);
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if (dp == NULL) {
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return -1;
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}
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while ((d = readdir(dp)) != NULL) {
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char *new_path;
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new_path = concat_subpath_file(path, d->d_name);
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if (new_path == NULL)
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continue;
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if (remove_file(new_path, flags) < 0)
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status = -1;
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free(new_path);
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}
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if (closedir(dp) < 0) {
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bb_perror_msg("cannot close '%s'", path);
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return -1;
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}
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if (flags & FILEUTILS_INTERACTIVE) {
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fprintf(stderr, "%s: remove directory '%s'? ", applet_name, path);
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if (!bb_ask_confirmation())
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return status;
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}
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if (rmdir(path) < 0) {
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bb_perror_msg("cannot remove '%s'", path);
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return -1;
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}
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return status;
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}
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/* !ISDIR */
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if ((!(flags & FILEUTILS_FORCE) && access(path, W_OK) < 0
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&& !S_ISLNK(path_stat.st_mode) && isatty(0))
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|| (flags & FILEUTILS_INTERACTIVE)
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) {
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fprintf(stderr, "%s: remove '%s'? ", applet_name, path);
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if (!bb_ask_confirmation())
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return 0;
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}
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if (unlink(path) < 0) {
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bb_perror_msg("cannot remove '%s'", path);
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return -1;
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}
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return 0;
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}
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