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128 lines
3.0 KiB
128 lines
3.0 KiB
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2014 Fujitsu Ltd.
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* Author: Xing Gu <gux.fnst@cn.fujitsu.com>
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*/
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/*
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* Description:
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* Verify that,
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* 1) splice() returns -1 and sets errno to EBADF if the file
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* descriptor fd_in is not valid.
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* 2) splice() returns -1 and sets errno to EBADF if the file
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* descriptor fd_out is not valid.
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* 3) splice() returns -1 and sets errno to EBADF if the file
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* descriptor fd_in does not have proper read-write mode.
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* 4) splice() returns -1 and sets errno to EINVAL if target
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* file is opened in append mode.
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* 5) splice() returns -1 and sets errno to EINVAL if neither
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* of the descriptors refer to a pipe.
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* 6) splice() returns -1 and sets errno to ESPIPE if off_in is
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* not NULL when the file descriptor fd_in refers to a pipe.
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* 7) splice() returns -1 and sets errno to ESPIPE if off_out is
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* not NULL when the file descriptor fd_out refers to a pipe.
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*/
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#define _GNU_SOURCE
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include "tst_test.h"
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#include "lapi/splice.h"
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#define TEST_FILE "testfile"
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#define TEST_FILE2 "testfile2"
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#define TEST_FILE3 "testfile3"
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#define STR "abcdefghigklmnopqrstuvwxyz"
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#define SPLICE_TEST_LEN 10
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static int badfd = -1;
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static int rdfd;
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static int wrfd;
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static int appendfd;
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static int pipes[2];
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static loff_t offset;
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static struct tcase {
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int *fdin;
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loff_t *offin;
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int *fdout;
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loff_t *offout;
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int exp_errno;
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} tcases[] = {
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{ &badfd, NULL, &pipes[1], NULL, EBADF },
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{ &pipes[0], NULL, &badfd, NULL, EBADF },
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{ &wrfd, NULL, &pipes[1], NULL, EBADF },
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{ &pipes[0], NULL, &appendfd, NULL, EINVAL },
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{ &rdfd, NULL, &wrfd, NULL, EINVAL },
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{ &pipes[0], &offset, &wrfd, NULL, ESPIPE },
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{ &rdfd, NULL, &pipes[1], &offset, ESPIPE },
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};
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static void setup(void)
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{
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SAFE_FILE_PRINTF(TEST_FILE, STR);
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rdfd = SAFE_OPEN(TEST_FILE, O_RDONLY);
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wrfd = SAFE_OPEN(TEST_FILE2, O_WRONLY | O_CREAT, 0644);
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appendfd = SAFE_OPEN(TEST_FILE3, O_RDWR | O_CREAT | O_APPEND, 0644);
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SAFE_PIPE(pipes);
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SAFE_WRITE(1, pipes[1], STR, sizeof(STR) - 1);
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}
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static void splice_verify(unsigned int n)
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{
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struct tcase *tc = &tcases[n];
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TEST(splice(*(tc->fdin), tc->offin, *(tc->fdout),
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tc->offout, SPLICE_TEST_LEN, 0));
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if (TST_RET != -1) {
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tst_res(TFAIL, "splice() returned %ld expected %s",
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TST_RET, tst_strerrno(tc->exp_errno));
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return;
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}
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if (TST_ERR != tc->exp_errno) {
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tst_res(TFAIL | TTERRNO,
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"splice() failed unexpectedly; expected: %d - %s",
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tc->exp_errno, tst_strerrno(tc->exp_errno));
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return;
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}
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tst_res(TPASS | TTERRNO, "splice() failed as expected");
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}
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static void cleanup(void)
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{
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if (rdfd > 0)
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SAFE_CLOSE(rdfd);
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if (wrfd > 0)
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SAFE_CLOSE(wrfd);
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if (appendfd > 0)
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SAFE_CLOSE(appendfd);
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if (pipes[0] > 0)
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SAFE_CLOSE(pipes[0]);
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if (pipes[1] > 0)
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SAFE_CLOSE(pipes[1]);
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}
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static struct tst_test test = {
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.setup = setup,
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.cleanup = cleanup,
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.test = splice_verify,
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.tcnt = ARRAY_SIZE(tcases),
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.needs_tmpdir = 1,
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.min_kver = "2.6.17",
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};
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