133 lines
3.7 KiB
C
133 lines
3.7 KiB
C
/*
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* Copyright (c) 2016 Katerina Koukiou <k.koukiou@gmail.com>
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* Copyright (c) 2016-2018 The strace developers.
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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 <asm/unistd.h>
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#ifdef __NR_openat
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# include <asm/fcntl.h>
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# include <stdio.h>
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# include <unistd.h>
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#ifdef O_TMPFILE
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/* The kernel & C libraries often inline O_DIRECTORY. */
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# define STRACE_O_TMPFILE (O_TMPFILE & ~O_DIRECTORY)
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#else
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# define STRACE_O_TMPFILE 0
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#endif
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static const char sample[] = "openat.sample";
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static void
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test_mode_flag(unsigned int mode_val, const char *mode_str,
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unsigned int flag_val, const char *flag_str)
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{
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long rc = syscall(__NR_openat, -1, sample, mode_val | flag_val, 0);
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printf("openat(-1, \"%s\", %s%s%s%s) = %s\n",
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sample, mode_str,
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flag_val ? "|" : "", flag_str,
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flag_val & (O_CREAT | STRACE_O_TMPFILE) ? ", 000" : "",
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sprintrc(rc));
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}
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int
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main(void)
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{
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long fd = syscall(__NR_openat, -100, sample, O_RDONLY|O_CREAT, 0400);
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printf("openat(AT_FDCWD, \"%s\", O_RDONLY|O_CREAT, 0400) = %s\n",
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sample, sprintrc(fd));
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if (fd != -1) {
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close(fd);
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if (unlink(sample) == -1)
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perror_msg_and_fail("unlink");
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fd = syscall(__NR_openat, -100, sample, O_RDONLY);
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printf("openat(AT_FDCWD, \"%s\", O_RDONLY) = %s\n",
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sample, sprintrc(fd));
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}
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struct {
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unsigned int val;
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const char *str;
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} modes[] = {
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{ ARG_STR(O_RDONLY) },
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{ ARG_STR(O_WRONLY) },
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{ ARG_STR(O_RDWR) },
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{ ARG_STR(O_ACCMODE) }
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}, flags[] = {
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{ ARG_STR(O_APPEND) },
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{ ARG_STR(O_DIRECT) },
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{ ARG_STR(O_DIRECTORY) },
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{ ARG_STR(O_EXCL) },
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{ ARG_STR(O_LARGEFILE) },
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{ ARG_STR(O_NOATIME) },
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{ ARG_STR(O_NOCTTY) },
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{ ARG_STR(O_NOFOLLOW) },
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{ ARG_STR(O_NONBLOCK) },
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{ ARG_STR(O_SYNC) },
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{ ARG_STR(O_TRUNC) },
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{ ARG_STR(O_CREAT) },
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# ifdef O_CLOEXEC
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{ ARG_STR(O_CLOEXEC) },
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# endif
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# ifdef O_DSYNC
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{ ARG_STR(O_DSYNC) },
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# endif
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# ifdef __O_SYNC
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{ ARG_STR(__O_SYNC) },
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# endif
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# ifdef O_PATH
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{ ARG_STR(O_PATH) },
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# endif
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# ifdef O_TMPFILE
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{ ARG_STR(O_TMPFILE) },
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# endif
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# ifdef __O_TMPFILE
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{ ARG_STR(__O_TMPFILE) },
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# endif
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{ ARG_STR(0x80000000) },
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{ 0, "" }
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};
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for (unsigned int m = 0; m < ARRAY_SIZE(modes); ++m)
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for (unsigned int f = 0; f < ARRAY_SIZE(flags); ++f)
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test_mode_flag(modes[m].val, modes[m].str,
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flags[f].val, flags[f].str);
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puts("+++ exited with 0 +++");
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return 0;
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}
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#else
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SKIP_MAIN_UNDEFINED("__NR_openat")
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#endif
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