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TP-Link_Archer-XR500v/BBA1.5_platform/apps/public/strace-4.16/tests-mx32/ustat.c
2024-07-22 01:58:46 -03:00

86 lines
2.7 KiB
C

/*
* Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "tests.h"
#include <asm/unistd.h>
#ifdef __NR_ustat
# include <stdio.h>
# include <sys/stat.h>
# include <sys/sysmacros.h>
# include <unistd.h>
# ifdef HAVE_USTAT_H
# include <ustat.h>
# endif
int
main(void)
{
const kernel_ulong_t magic = (kernel_ulong_t) 0xfacefeedffffffff;
unsigned long long buf[4];
unsigned int dev;
long rc;
# ifdef HAVE_USTAT_H
struct ustat *const ust = tail_alloc(sizeof(*ust));
struct stat st;
if (stat(".", &st))
perror_msg_and_fail("stat");
dev = (unsigned int) st.st_dev;
rc = syscall(__NR_ustat, dev, ust);
if (rc)
printf("ustat(makedev(%u, %u), %p) = %s\n",
major(dev), minor(dev), ust, sprintrc(rc));
else
printf("ustat(makedev(%u, %u)"
", {f_tfree=%llu, f_tinode=%llu}) = 0\n",
major(dev), minor(dev),
zero_extend_signed_to_ull(ust->f_tfree),
zero_extend_signed_to_ull(ust->f_tinode));
# endif /* HAVE_USTAT_H */
dev = (unsigned int) magic;
rc = syscall(__NR_ustat, magic, 0);
printf("ustat(makedev(%u, %u), NULL) = %s\n",
major(dev), minor(dev), sprintrc(rc));
rc = syscall(__NR_ustat, magic, buf);
printf("ustat(makedev(%u, %u), %p) = %s\n",
major(dev), minor(dev), buf, sprintrc(rc));
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_ustat")
#endif