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e16a7d8f3b
`et` means `expandtab`. ```sh rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\) et\(.*\) :vi/vi: \1 xoet\2:vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)noet\(.*\):vi/vi: \1et\2 :vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)xoet\(.*\):vi/vi: \1noet\2:vi/' ```
68 lines
3.2 KiB
C
68 lines
3.2 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2021 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/calls.h"
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#include "libc/dce.h"
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#include "libc/errno.h"
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#include "libc/stdio/ftw.h"
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#include "libc/sysv/errfuns.h"
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#include "libc/x/x.h"
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static inline bool IsSlash(char c) {
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return c == '/' || c == '\\';
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}
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static inline int IsAlpha(int c) {
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return ('A' <= c && c <= 'Z') || ('a' <= c && c <= 'z');
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}
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static int rmrf_callback(const char *fpath, //
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const struct stat *st, //
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int typeflag, //
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struct FTW *ftwbuf) { //
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int rc;
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if (typeflag == FTW_DNR) {
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if (!(rc = chmod(fpath, 0700))) {
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return nftw(fpath, rmrf_callback, 128 - ftwbuf->level,
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FTW_PHYS | FTW_DEPTH);
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}
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} else if (typeflag == FTW_DP) {
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rc = rmdir(fpath);
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} else {
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rc = unlink(fpath);
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}
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if (rc == -1 && errno == ENOENT) {
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rc = 0;
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}
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return rc;
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}
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/**
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* Recursively removes file or directory.
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* @return 0 on success, or -1 w/ errno
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*/
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int rmrf(const char *path) {
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if ((IsSlash(path[0]) && !path[1]) ||
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(IsWindows() && ((IsSlash(path[0]) && IsAlpha(path[1]) &&
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(!path[2] || (IsSlash(path[2]) && !path[3]))) ||
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(IsAlpha(path[0]) && path[1] == ':' &&
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(!path[2] || (IsSlash(path[2]) && !path[3])))))) {
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return enotsup(); // if you really want rmrf("/") try rmrf("/.")
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}
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return nftw(path, rmrf_callback, 128, FTW_PHYS | FTW_DEPTH);
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}
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