mirror of
https://github.com/jart/cosmopolitan.git
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1837dc2e85
- Introduce path module to redbean - Fix glitch with linenoise printing extra line on eof - Introduce closefrom() and close_range() system calls - Make file descriptor closing more secure in pledge.com
61 lines
2.9 KiB
C
61 lines
2.9 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 2022 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/runtime/runtime.h"
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#include "libc/sysv/consts/f.h"
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#include "libc/testlib/testlib.h"
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void SetUp(void) {
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if (closefrom(3) == -1) {
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if (IsOpenbsd()) {
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ASSERT_EQ(EBADF, errno);
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} else {
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ASSERT_EQ(ENOSYS, errno);
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exit(0);
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}
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}
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}
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TEST(closefrom, test) {
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ASSERT_SYS(0, 3, dup(2));
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ASSERT_SYS(0, 4, dup(2));
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ASSERT_SYS(0, 5, dup(2));
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ASSERT_SYS(0, 6, dup(2));
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EXPECT_SYS(0, 0, closefrom(3));
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ASSERT_SYS(0, 0, fcntl(2, F_GETFD));
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ASSERT_SYS(EBADF, -1, fcntl(3, F_GETFD));
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ASSERT_SYS(EBADF, -1, fcntl(4, F_GETFD));
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ASSERT_SYS(EBADF, -1, fcntl(5, F_GETFD));
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ASSERT_SYS(EBADF, -1, fcntl(6, F_GETFD));
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}
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TEST(close_range, test) {
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ASSERT_SYS(0, 3, dup(2));
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ASSERT_SYS(0, 4, dup(2));
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ASSERT_SYS(0, 5, dup(2));
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ASSERT_SYS(0, 6, dup(2));
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EXPECT_SYS(0, 0, close_range(3, -1, 0));
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ASSERT_SYS(0, 0, fcntl(2, F_GETFD));
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ASSERT_SYS(EBADF, -1, fcntl(3, F_GETFD));
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ASSERT_SYS(EBADF, -1, fcntl(4, F_GETFD));
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ASSERT_SYS(EBADF, -1, fcntl(5, F_GETFD));
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ASSERT_SYS(EBADF, -1, fcntl(6, F_GETFD));
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}
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