Dmitry V. Levin
82d1fd14f1
* tests/readdir.c: Use SKIP_MAIN_UNDEFINED. (main): Use perror_msg_and_skip.
103 lines
3.6 KiB
C
103 lines
3.6 KiB
C
/*
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* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "tests.h"
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#include <sys/syscall.h>
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#ifdef __NR_readdir
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# include <assert.h>
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# include <dirent.h>
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# include <fcntl.h>
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# include <stdio.h>
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# include <string.h>
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# include <sys/stat.h>
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# include <unistd.h>
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static const char fname[] =
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"A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
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"A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
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"A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
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"A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
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"A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
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"A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
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"A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
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"A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nZ";
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static const char qname[] =
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"A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
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"A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
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"A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
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"A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
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"A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
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"A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
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"A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
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"A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nZ";
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int
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main(int ac, const char **av)
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{
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char *dname;
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struct {
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unsigned long d_ino;
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unsigned long d_off;
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unsigned short d_reclen;
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char d_name[1024];
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} e;
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int rc;
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assert(ac == 1);
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assert(asprintf(&dname, "%s.test.tmp.dir", av[0]) > 0);
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assert(!mkdir(dname, 0700));
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assert(!chdir(dname));
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(void) close(0);
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assert(!creat(fname, 0600));
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assert(!close(0));
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assert(!open(".", O_RDONLY | O_DIRECTORY));
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while ((rc = syscall(__NR_readdir, 0, &e, 1))) {
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if (rc < 0)
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perror_msg_and_skip("readdir");
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e.d_name[e.d_reclen] = '\0';
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printf("readdir(0, {d_ino=%lu, d_off=%lu, d_reclen=%u"
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", d_name=\"%s\"}) = %d\n",
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e.d_ino, e.d_off, e.d_reclen,
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e.d_name[0] == '.' ? e.d_name : qname, rc);
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}
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printf("readdir(0, %p) = 0\n", &e);
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puts("+++ exited with 0 +++");
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assert(!unlink(fname));
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assert(!chdir(".."));
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assert(!rmdir(dname));
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return 0;
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}
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#else
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SKIP_MAIN_UNDEFINED("__NR_readdir")
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#endif
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