mirror of
https://github.com/topjohnwu/ndk-busybox.git
synced 2024-11-24 04:09:43 +00:00
103 lines
2.1 KiB
C
103 lines
2.1 KiB
C
/* 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 tarball for details.
|
|
*/
|
|
|
|
#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;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
return 0;
|
|
}
|