mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-05-25 14:52:28 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Add /dev/fd support to Windows

Browse source 
GNU bash needs this functionality, otherwise it can't do <(cmd...).
This commit is contained in:
Justine Tunney 2024-01-06 18:05:14 -08:00
parent 2e5f662dfe
commit b3fb6cff43
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
6 changed files with 113 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

66
test/libc/calls/devfd_test.c Normal file
View file

@ -0,0 +1,66 @@
/*-*- 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 2024 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/calls.h"
#include "libc/calls/struct/stat.h"
#include "libc/dce.h"
#include "libc/intrin/strace.internal.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/o.h"
#include "libc/testlib/testlib.h"
#include "libc/x/x.h"
void SetUpOnce(void) {
testlib_enable_tmp_setup_teardown();
}
TEST(devfd, test) {
// TODO: What is up with this mysterious ENOENT error?
// The code appears like it should support this.
if (IsFreebsd()) return;
char buf[8] = {0};
struct stat st[2] = {0};
ASSERT_SYS(0, 0, xbarf("hello.txt", "bone", -1));
ASSERT_SYS(0, 3, open("hello.txt", O_RDONLY));
ASSERT_SYS(0, 4, open("/dev/fd/3", O_RDONLY));
ASSERT_SYS(0, 4, read(4, buf, 7));
ASSERT_STREQ("bone", buf);
ASSERT_SYS(0, 0, fstat(3, st));
ASSERT_SYS(0, 0, fstat(4, st + 1));
ASSERT_EQ(0, memcmp(st, st + 1, sizeof(struct stat)));
ASSERT_SYS(0, 0, close(4));
ASSERT_SYS(0, 0, close(3));
}
TEST(devfd, not_DEV_FD_STAT_BROKEN) {
// fstat() and stat() are inconsistent on bsd systems
// with xnu it only appears to be st_dev that differs
if (IsBsd()) return;
char buf[8] = {0};
struct stat st[2] = {0};
ASSERT_SYS(0, 0, xbarf("hello.txt", "bone", -1));
ASSERT_SYS(0, 3, open("hello.txt", O_RDONLY));
ASSERT_SYS(0, 4, open("/dev/fd/3", O_RDONLY));
ASSERT_SYS(0, 4, read(4, buf, 7));
ASSERT_STREQ("bone", buf);
ASSERT_SYS(0, 0, fstat(3, st));
ASSERT_SYS(0, 0, stat("/dev/fd/3", st + 1));
ASSERT_EQ(0, memcmp(st, st + 1, sizeof(struct stat)));
ASSERT_SYS(0, 0, close(4));
ASSERT_SYS(0, 0, close(3));
}