mirror of
https://github.com/jart/cosmopolitan.git
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66 lines
3.3 KiB
C
66 lines
3.3 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 2024 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/struct/stat.h"
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#include "libc/dce.h"
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#include "libc/intrin/strace.internal.h"
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#include "libc/str/str.h"
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#include "libc/sysv/consts/o.h"
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#include "libc/testlib/testlib.h"
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#include "libc/x/x.h"
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void SetUpOnce(void) {
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testlib_enable_tmp_setup_teardown();
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}
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TEST(devfd, test) {
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// TODO: What is up with this mysterious ENOENT error?
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// The code appears like it should support this.
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if (IsFreebsd()) return;
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char buf[8] = {0};
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struct stat st[2] = {0};
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ASSERT_SYS(0, 0, xbarf("hello.txt", "bone", -1));
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ASSERT_SYS(0, 3, open("hello.txt", O_RDONLY));
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ASSERT_SYS(0, 4, open("/dev/fd/3", O_RDONLY));
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ASSERT_SYS(0, 4, read(4, buf, 7));
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ASSERT_STREQ("bone", buf);
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ASSERT_SYS(0, 0, fstat(3, st));
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ASSERT_SYS(0, 0, fstat(4, st + 1));
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ASSERT_EQ(0, memcmp(st, st + 1, sizeof(struct stat)));
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ASSERT_SYS(0, 0, close(4));
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ASSERT_SYS(0, 0, close(3));
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}
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TEST(devfd, not_DEV_FD_STAT_BROKEN) {
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// fstat() and stat() are inconsistent on bsd systems
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// with xnu it only appears to be st_dev that differs
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if (IsBsd()) return;
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char buf[8] = {0};
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struct stat st[2] = {0};
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ASSERT_SYS(0, 0, xbarf("hello.txt", "bone", -1));
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ASSERT_SYS(0, 3, open("hello.txt", O_RDONLY));
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ASSERT_SYS(0, 4, open("/dev/fd/3", O_RDONLY));
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ASSERT_SYS(0, 4, read(4, buf, 7));
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ASSERT_STREQ("bone", buf);
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ASSERT_SYS(0, 0, fstat(3, st));
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ASSERT_SYS(0, 0, stat("/dev/fd/3", st + 1));
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ASSERT_EQ(0, memcmp(st, st + 1, sizeof(struct stat)));
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ASSERT_SYS(0, 0, close(4));
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ASSERT_SYS(0, 0, close(3));
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}
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