mirror of
https://github.com/jart/cosmopolitan.git
synced 2024-05-18 03:22:40 +00:00
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/' ```
47 lines
2.5 KiB
C
47 lines
2.5 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
|
|
│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
|
|
╞══════════════════════════════════════════════════════════════════════════════╡
|
|
│ Copyright 2020 Justine Alexandra Roberts Tunney │
|
|
│ │
|
|
│ Permission to use, copy, modify, and/or distribute this software for │
|
|
│ any purpose with or without fee is hereby granted, provided that the │
|
|
│ above copyright notice and this permission notice appear in all copies. │
|
|
│ │
|
|
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
|
|
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
|
|
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
|
|
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
|
|
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
|
|
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
|
|
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
|
|
│ PERFORMANCE OF THIS SOFTWARE. │
|
|
╚─────────────────────────────────────────────────────────────────────────────*/
|
|
#include "libc/calls/internal.h"
|
|
#include "libc/calls/struct/fd.internal.h"
|
|
#include "libc/calls/syscall_support-sysv.internal.h"
|
|
#include "libc/calls/termios.h"
|
|
#include "libc/errno.h"
|
|
#include "libc/intrin/strace.internal.h"
|
|
#include "libc/sysv/errfuns.h"
|
|
|
|
static char g_ptsname[16];
|
|
|
|
/**
|
|
* Gets name subordinate pseudoteletypewriter.
|
|
*
|
|
* @return static string path on success, or NULL w/ errno
|
|
*/
|
|
char *ptsname(int fd) {
|
|
char *res;
|
|
if (fd < g_fds.n && g_fds.p[fd].kind == kFdZip) {
|
|
enotty();
|
|
res = 0;
|
|
} else if (!_ptsname(fd, g_ptsname, sizeof(g_ptsname))) {
|
|
res = g_ptsname;
|
|
} else {
|
|
res = 0;
|
|
}
|
|
STRACE("ptsname(%d) → %#s% m", fd, res);
|
|
return res;
|
|
}
|