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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
3.8 KiB
C
68 lines
3.8 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 2020 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/calls/syscall-nt.internal.h"
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#include "libc/calls/syscall-sysv.internal.h"
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#include "libc/dce.h"
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#include "libc/intrin/asan.internal.h"
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#include "libc/intrin/describeflags.internal.h"
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#include "libc/intrin/strace.internal.h"
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#include "libc/intrin/weaken.h"
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#include "libc/sysv/consts/at.h"
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#include "libc/sysv/errfuns.h"
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#include "libc/runtime/zipos.internal.h"
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/**
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* Creates directory a.k.a. folder.
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*
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* @param dirfd is normally `AT_FDCWD` but if it's an open directory and
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* path is relative, then path becomes relative to dirfd
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* @param path is a UTF-8 string, preferably relative w/ forward slashes
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* @param mode is permissions bits, which is usually 0755
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* @return 0 on success, or -1 w/ errno
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* @raise EEXIST if named file already exists
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* @raise EBADF if `path` is relative and `dirfd` isn't `AT_FDCWD` or valid
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* @raise ENOTDIR if directory component in `path` existed as non-directory
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* @raise ENAMETOOLONG if symlink-resolved `path` length exceeds `PATH_MAX`
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* @raise ENAMETOOLONG if component in `path` exists longer than `NAME_MAX`
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* @raise EROFS if parent directory is on read-only filesystem
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* @raise ENOSPC if file system or parent directory is full
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* @raise EACCES if write permission was denied on parent directory
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* @raise EACCES if search permission was denied on component in `path`
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* @raise ENOENT if a component within `path` didn't exist
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* @raise ENOENT if `path` is an empty string
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* @raise ELOOP if loop was detected resolving components of `path`
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* @asyncsignalsafe
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* @see makedirs()
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*/
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int mkdirat(int dirfd, const char *path, unsigned mode) {
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int rc;
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if (IsAsan() && !__asan_is_valid_str(path)) {
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rc = efault();
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} else if (_weaken(__zipos_notat) &&
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(rc = __zipos_notat(dirfd, path)) == -1) {
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STRACE("zipos mkdirat not supported yet");
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} else if (!IsWindows()) {
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rc = sys_mkdirat(dirfd, path, mode);
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} else {
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rc = sys_mkdirat_nt(dirfd, path, mode);
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}
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STRACE("mkdirat(%s, %#s, %#o) → %d% m", DescribeDirfd(dirfd), path, mode, rc);
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return rc;
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}
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