mirror of
https://github.com/jart/cosmopolitan.git
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4f5d5a6813
- ARM Neon headers are now exported in libc/isystem/ - stat() and access() now do a better job reporting which files are executable which ones aren't. They do this by reading the first two bytes in a file to see if it's `MZ` or `#!`.
83 lines
3.8 KiB
C
83 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 net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 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/dce.h"
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#include "libc/errno.h"
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#include "libc/mem/alloca.h"
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#include "libc/mem/gc.internal.h"
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#include "libc/mem/mem.h"
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#include "libc/runtime/runtime.h"
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#include "libc/sysv/consts/auxv.h"
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#include "libc/sysv/consts/ok.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(access, efault) {
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if (IsWindows() || !IsAsan()) return; // not possible
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ASSERT_SYS(EFAULT, -1, access((void *)77, F_OK));
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}
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TEST(access, enoent) {
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ASSERT_SYS(ENOENT, -1, access("", F_OK));
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ASSERT_SYS(ENOENT, -1, access("doesnotexist", F_OK));
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ASSERT_SYS(ENOENT, -1, access("o/doesnotexist", F_OK));
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}
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TEST(access, enotdir) {
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ASSERT_SYS(0, 0, touch("o", 0644));
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ASSERT_SYS(ENOTDIR, -1, access("o/doesnotexist", F_OK));
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}
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TEST(access, test) {
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ASSERT_SYS(0, 0, close(creat("file", 0644)));
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ASSERT_SYS(0, 0, access("file", F_OK));
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ASSERT_SYS(ENOENT, -1, access("dir", F_OK));
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ASSERT_SYS(ENOTDIR, -1, access("file/dir", F_OK));
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ASSERT_SYS(0, 0, mkdir("dir", 0755));
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ASSERT_SYS(0, 0, access("dir", F_OK));
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ASSERT_SYS(0, 0, access("dir", W_OK));
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ASSERT_SYS(0, 0, access("file", W_OK));
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}
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TEST(access, testRequestWriteOnReadOnly_returnsEaccess) {
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if (1) return; // TODO(jart): maybe we need root to help?
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ASSERT_SYS(ENOENT, -1, access("file", F_OK));
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ASSERT_SYS(0, 0, close(creat("file", 0444)));
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ASSERT_SYS(0, 0, access("file", F_OK));
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ASSERT_SYS(0, 0, access("file", F_OK));
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ASSERT_SYS(EACCES, -1, access("file", W_OK));
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ASSERT_SYS(EACCES, -1, access("file", W_OK | R_OK));
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ASSERT_SYS(0, 0, mkdir("dir", 0555));
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ASSERT_SYS(0, 0, access("dir", F_OK));
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ASSERT_SYS(EACCES, -1, access("dir", W_OK));
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}
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TEST(access, runThisExecutable) {
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ASSERT_SYS(0, 0, access(GetProgramExecutableName(), R_OK | X_OK));
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}
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TEST(access, textFileIsntExecutable) {
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ASSERT_SYS(0, 0, touch("foo.txt", 0644));
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ASSERT_SYS(EACCES, -1, access("foo.txt", R_OK | X_OK));
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}
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