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/* 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 <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"
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) {
bb_perror_msg("unable to stat `%s'", path);
return -1;
}
path_exists = 0;
}
if (!path_exists) {
if (!(flags & FILEUTILS_FORCE)) {
bb_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)) {
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'? ", bb_applet_name,
path);
if (!bb_ask_confirmation())
return 0;
}
if ((dp = opendir(path)) == 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("unable to close `%s'", path);
return -1;
}
if (flags & FILEUTILS_INTERACTIVE) {
fprintf(stderr, "%s: remove directory `%s'? ", bb_applet_name, path);
if (!bb_ask_confirmation())
return status;
}
if (rmdir(path) < 0) {
bb_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'? ", bb_applet_name, path);
if (!bb_ask_confirmation())
return 0;
}
if (unlink(path) < 0) {
bb_perror_msg("unable to remove `%s'", path);
return -1;
}
return 0;
}
}
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