1 /* vi: set sw=4 ts=4: */
3 * bb_simplify_path implementation for busybox
5 * Copyright (C) 2001 Manuel Novoa III <mjn3@codepoet.org>
7 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
12 char* FAST_FUNC bb_simplify_path(const char *path)
17 start = xstrdup(path);
19 s = xrealloc_getcwd_or_warn(NULL);
20 start = concat_path_file(s, path);
27 if (*s == '/') { /* skip duplicate (or initial) slash */
31 if (s[1] == '/' || !s[1]) { /* remove extra '.' */
34 if ((s[1] == '.') && (s[2] == '/' || !s[2])) {
37 while (*--p != '/') /* omit previous dir */
47 if ((p == start) || (*p != '/')) { /* not a trailing slash */
48 ++p; /* so keep last character */