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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/' ```
69 lines
3.8 KiB
C
69 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 2022 Stephen Gregoratto │
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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/errno.h"
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#include "libc/macros.internal.h"
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#include "libc/runtime/runtime.h"
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#include "libc/sysv/consts/at.h"
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#include "libc/sysv/consts/o.h"
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#include "libc/sysv/consts/s.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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ASSERT_SYS(0, 0, pledge("stdio rpath wpath cpath fattr", 0));
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}
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TEST(fchmodat, testFchmodat) {
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if (IsWindows()) return; // not advanced enough yet
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struct stat st;
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umask(022);
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ASSERT_SYS(0, 3,
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open("regfile", O_WRONLY | O_CREAT | O_EXCL | O_TRUNC, 0644));
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ASSERT_SYS(0, 0, close(3));
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ASSERT_SYS(0, 0, symlink("regfile", "symlink"));
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ASSERT_SYS(0, 0, fstatat(AT_FDCWD, "regfile", &st, AT_SYMLINK_NOFOLLOW));
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ASSERT_EQ(0644, st.st_mode & 0777);
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ASSERT_SYS(0, 0, fstatat(AT_FDCWD, "symlink", &st, AT_SYMLINK_NOFOLLOW));
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uint32_t sym_mode = st.st_mode & 0777;
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ASSERT_SYS(0, 0, fchmodat(AT_FDCWD, "regfile", 0640, 0));
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ASSERT_SYS(0, 0, fstatat(AT_FDCWD, "regfile", &st, AT_SYMLINK_NOFOLLOW));
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ASSERT_EQ(0640, st.st_mode & 0777);
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ASSERT_SYS(0, 0, fchmodat(AT_FDCWD, "regfile", 0600, AT_SYMLINK_NOFOLLOW));
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ASSERT_SYS(0, 0, fstatat(AT_FDCWD, "regfile", &st, AT_SYMLINK_NOFOLLOW));
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ASSERT_EQ(0600, st.st_mode & 0777);
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ASSERT_SYS(0, 0, fchmodat(AT_FDCWD, "symlink", 0640, 0));
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ASSERT_SYS(0, 0, fstatat(AT_FDCWD, "regfile", &st, AT_SYMLINK_NOFOLLOW));
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ASSERT_EQ(0640, st.st_mode & 0777);
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ASSERT_SYS(0, 0, fstatat(AT_FDCWD, "symlink", &st, AT_SYMLINK_NOFOLLOW));
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ASSERT_EQ(sym_mode, st.st_mode & 0777);
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int rc = fchmodat(AT_FDCWD, "symlink", 0600, AT_SYMLINK_NOFOLLOW);
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if (rc == -1) {
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ASSERT_EQ(ENOTSUP, errno);
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errno = 0;
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} else {
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ASSERT_SYS(0, 0, fstatat(AT_FDCWD, "symlink", &st, AT_SYMLINK_NOFOLLOW));
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ASSERT_EQ(0600, st.st_mode & 0777);
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}
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ASSERT_SYS(0, 0, fstatat(AT_FDCWD, "regfile", &st, AT_SYMLINK_NOFOLLOW));
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ASSERT_EQ(0640, st.st_mode & 0777);
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}
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