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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/' ```
113 lines
4.5 KiB
C
113 lines
4.5 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 2021 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/errno.h"
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#include "libc/limits.h"
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#include "libc/log/log.h"
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#include "libc/mem/gc.h"
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#include "libc/mem/gc.internal.h"
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#include "libc/runtime/symbols.internal.h"
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#include "libc/str/str.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(readlink, enoent) {
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char buf[32];
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ASSERT_SYS(ENOENT, -1, readlink("doesnotexist", buf, 32));
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ASSERT_SYS(ENOENT, -1, readlink("o/doesnotexist", buf, 32));
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}
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TEST(readlink, enotdir) {
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char buf[32];
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ASSERT_SYS(0, 0, touch("o", 0644));
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ASSERT_SYS(ENOTDIR, -1, readlink("o/", buf, 32));
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ASSERT_SYS(ENOTDIR, -1, readlink("o/o/..", buf, 32));
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ASSERT_SYS(ENOTDIR, -1, readlink("o/doesnotexist", buf, 32));
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}
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TEST(readlinkat, test) {
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char buf[128];
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memset(buf, -1, sizeof(buf));
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ASSERT_NE(-1, xbarf("hello→", "hi", -1));
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ASSERT_STREQ("hi", gc(xslurp("hello→", 0)));
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ASSERT_NE(-1, symlink("hello→", "there→"));
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ASSERT_TRUE(isregularfile("hello→"));
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ASSERT_TRUE(issymlink("there→"));
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ASSERT_FALSE(isregularfile("there→"));
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ASSERT_SYS(0, 8, readlink("there→", buf, sizeof(buf)));
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EXPECT_EQ(255, buf[8] & 255);
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buf[8] = 0;
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EXPECT_STREQ("hello→", buf);
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}
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TEST(readlinkat, efault) {
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char buf[128];
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ASSERT_SYS(EFAULT, -1, readlink(0, buf, sizeof(buf)));
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}
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TEST(readlinkat, notexist) {
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char buf[128];
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ASSERT_SYS(ENOENT, -1, readlink("hi", buf, sizeof(buf)));
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}
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TEST(readlinkat, notalink) {
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char buf[128];
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ASSERT_SYS(0, 0, close(creat("hi", 0644)));
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ASSERT_SYS(EINVAL, -1, readlink("hi", buf, sizeof(buf)));
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}
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TEST(readlinkat, frootloop) {
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int fd;
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char buf[128];
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ASSERT_SYS(0, 0, symlink("froot", "froot"));
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ASSERT_SYS(ELOOP, -1, readlink("froot/loop", buf, sizeof(buf)));
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if (O_NOFOLLOW) {
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ASSERT_SYS(ELOOP, -1, open("froot", O_RDONLY | O_NOFOLLOW));
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if (0 && O_PATH) { /* need rhel5 test */
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ASSERT_NE(-1, (fd = open("froot", O_RDONLY | O_NOFOLLOW | O_PATH)));
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ASSERT_NE(-1, close(fd));
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}
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}
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}
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TEST(readlinkat, statReadsNameLength_countsUtf8Bytes) {
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struct stat st;
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ASSERT_SYS(0, 0, symlink("froÒt", "froÒt"));
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ASSERT_SYS(0, 0, fstatat(AT_FDCWD, "froÒt", &st, AT_SYMLINK_NOFOLLOW));
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EXPECT_TRUE(S_ISLNK(st.st_mode));
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EXPECT_EQ(6, st.st_size);
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}
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TEST(readlinkat, realpathReturnsLongPath) {
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char buf[PATH_MAX];
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if (!IsWindows()) return;
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if (!startswith(getcwd(buf, PATH_MAX), "/c/")) return;
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ASSERT_SYS(0, 0, touch("froot", 0644));
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ASSERT_STARTSWITH("/c/", realpath("froot", buf));
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}
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