325 lines
8.5 KiB
C
325 lines
8.5 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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#if defined HAVE_FTRUNCATE && defined HAVE_FUTIMENS
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# ifndef TEST_SYSCALL_STR
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# error TEST_SYSCALL_STR must be defined
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# endif
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# ifndef TEST_SYSCALL_INVOKE
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# error TEST_SYSCALL_INVOKE must be defined
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# endif
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# ifndef PRINT_SYSCALL_HEADER
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# error PRINT_SYSCALL_HEADER must be defined
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# endif
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# ifndef PRINT_SYSCALL_FOOTER
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# error PRINT_SYSCALL_FOOTER must be defined
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# endif
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# include <errno.h>
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# include <stdio.h>
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# include <stddef.h>
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# include <time.h>
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# include <unistd.h>
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# include <sys/sysmacros.h>
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static void
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print_time(const time_t t)
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{
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if (!t) {
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printf("0");
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return;
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}
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struct tm *p = localtime(&t);
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if (p) {
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char buf[256];
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strftime(buf, sizeof(buf), "%FT%T%z", p);
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printf("%s", buf);
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} else {
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printf("%llu", zero_extend_signed_to_ull(t));
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}
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}
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# ifndef STRUCT_STAT
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# define STRUCT_STAT struct stat
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# define STRUCT_STAT_STR "struct stat"
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# define STRUCT_STAT_IS_STAT64 0
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# endif
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# ifndef SAMPLE_SIZE
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# define SAMPLE_SIZE ((libc_off_t) 43147718418ULL)
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# endif
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typedef off_t libc_off_t;
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# define stat libc_stat
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# define stat64 libc_stat64
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# include <fcntl.h>
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# include <sys/stat.h>
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# undef stat
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# undef stat64
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# undef st_atime
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# undef st_mtime
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# undef st_ctime
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# include "asm_stat.h"
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# if STRUCT_STAT_IS_STAT64
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# undef HAVE_STRUCT_STAT_ST_MTIME_NSEC
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# if defined MPERS_IS_m32
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# ifdef HAVE_M32_STRUCT_STAT64_ST_MTIME_NSEC
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# define HAVE_STRUCT_STAT_ST_MTIME_NSEC 1
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# endif
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# elif defined MPERS_IS_mx32
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# ifdef HAVE_MX32_STRUCT_STAT64_ST_MTIME_NSEC
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# define HAVE_STRUCT_STAT_ST_MTIME_NSEC 1
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# endif
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# elif defined HAVE_STRUCT_STAT64_ST_MTIME_NSEC
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# define HAVE_STRUCT_STAT_ST_MTIME_NSEC 1
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# endif /* MPERS_IS_m32 || MPERS_IS_mx32 || HAVE_STRUCT_STAT64_ST_MTIME_NSEC */
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# else /* !STRUCT_STAT_IS_STAT64 */
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# if defined MPERS_IS_m32
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# undef HAVE_STRUCT_STAT_ST_MTIME_NSEC
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# ifdef HAVE_M32_STRUCT_STAT_ST_MTIME_NSEC
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# define HAVE_STRUCT_STAT_ST_MTIME_NSEC 1
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# endif
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# elif defined MPERS_IS_mx32
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# undef HAVE_STRUCT_STAT_ST_MTIME_NSEC
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# ifdef HAVE_MX32_STRUCT_STAT_ST_MTIME_NSEC
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# define HAVE_STRUCT_STAT_ST_MTIME_NSEC 1
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# endif
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# endif /* MPERS_IS_m32 || MPERS_IS_mx32 */
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# endif /* STRUCT_STAT_IS_STAT64 */
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# ifndef TEST_BOGUS_STRUCT_STAT
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# define TEST_BOGUS_STRUCT_STAT 1
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# endif
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# ifndef IS_FSTAT
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# define IS_FSTAT 0
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# endif
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# ifndef OLD_STAT
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# define OLD_STAT 0
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# endif
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static void
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print_ftype(const unsigned int mode)
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{
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if (S_ISREG(mode))
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printf("S_IFREG");
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else if (S_ISDIR(mode))
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printf("S_IFDIR");
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else if (S_ISCHR(mode))
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printf("S_IFCHR");
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else if (S_ISBLK(mode))
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printf("S_IFBLK");
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else
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printf("%#o", mode & S_IFMT);
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}
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static void
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print_perms(const unsigned int mode)
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{
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printf("%#o", mode & ~S_IFMT);
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}
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static void
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print_stat(const STRUCT_STAT *st)
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{
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printf("{st_dev=makedev(%u, %u)",
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(unsigned int) major(zero_extend_signed_to_ull(st->st_dev)),
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(unsigned int) minor(zero_extend_signed_to_ull(st->st_dev)));
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printf(", st_ino=%llu", zero_extend_signed_to_ull(st->st_ino));
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printf(", st_mode=");
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print_ftype(st->st_mode);
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printf("|");
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print_perms(st->st_mode);
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printf(", st_nlink=%llu", zero_extend_signed_to_ull(st->st_nlink));
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printf(", st_uid=%llu", zero_extend_signed_to_ull(st->st_uid));
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printf(", st_gid=%llu", zero_extend_signed_to_ull(st->st_gid));
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# if OLD_STAT
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printf(", st_blksize=0, st_blocks=0");
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# else /* !OLD_STAT */
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printf(", st_blksize=%llu", zero_extend_signed_to_ull(st->st_blksize));
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printf(", st_blocks=%llu", zero_extend_signed_to_ull(st->st_blocks));
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# endif /* OLD_STAT */
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switch (st->st_mode & S_IFMT) {
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case S_IFCHR: case S_IFBLK:
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printf(", st_rdev=makedev(%u, %u)",
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(unsigned int) major(zero_extend_signed_to_ull(st->st_rdev)),
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(unsigned int) minor(zero_extend_signed_to_ull(st->st_rdev)));
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break;
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default:
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printf(", st_size=%llu", zero_extend_signed_to_ull(st->st_size));
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}
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printf(", st_atime=");
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print_time(sign_extend_unsigned_to_ll(st->st_atime));
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# if defined(HAVE_STRUCT_STAT_ST_MTIME_NSEC) && !OLD_STAT
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if (st->st_atime_nsec)
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printf(".%09llu", zero_extend_signed_to_ull(st->st_atime_nsec));
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# endif
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printf(", st_mtime=");
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print_time(sign_extend_unsigned_to_ll(st->st_mtime));
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# if defined(HAVE_STRUCT_STAT_ST_MTIME_NSEC) && !OLD_STAT
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if (st->st_mtime_nsec)
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printf(".%09llu", zero_extend_signed_to_ull(st->st_mtime_nsec));
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# endif
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printf(", st_ctime=");
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print_time(sign_extend_unsigned_to_ll(st->st_ctime));
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# if defined(HAVE_STRUCT_STAT_ST_MTIME_NSEC) && !OLD_STAT
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if (st->st_ctime_nsec)
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printf(".%09llu", zero_extend_signed_to_ull(st->st_ctime_nsec));
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# endif
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printf("}");
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}
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static int
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create_sample(const char *fname, const libc_off_t size)
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{
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static const struct timespec ts[] = {
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{-10843, 135}, {-10841, 246}
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};
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(void) close(0);
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if (open(fname, O_RDWR | O_CREAT | O_TRUNC, 0640)) {
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perror(fname);
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return 77;
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}
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if (ftruncate(0, size)) {
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perror("ftruncate");
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return 77;
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}
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if (futimens(0, ts)) {
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perror("futimens");
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return 77;
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}
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return 0;
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}
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int
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main(void)
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{
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# if !IS_FSTAT
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static const char full[] = "/dev/full";
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# endif
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static const char sample[] = TEST_SYSCALL_STR ".sample";
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STRUCT_STAT st[2];
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int rc;
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rc = create_sample(sample, SAMPLE_SIZE);
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if (rc) {
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(void) unlink(sample);
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return rc;
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}
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# if TEST_BOGUS_STRUCT_STAT
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STRUCT_STAT *st_cut = tail_alloc(sizeof(long) * 4);
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rc = TEST_SYSCALL_INVOKE(sample, st_cut);
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PRINT_SYSCALL_HEADER(sample);
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printf("%p", st_cut);
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PRINT_SYSCALL_FOOTER(rc);
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# endif
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# if !IS_FSTAT
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rc = TEST_SYSCALL_INVOKE(full, st);
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PRINT_SYSCALL_HEADER(full);
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if (rc)
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printf("%p", st);
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else
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print_stat(st);
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PRINT_SYSCALL_FOOTER(rc);
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# endif
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if ((rc = TEST_SYSCALL_INVOKE(sample, st))) {
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# if OLD_STAT
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if (errno != EOVERFLOW)
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# endif
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{
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perror(TEST_SYSCALL_STR);
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(void) unlink(sample);
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return 77;
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}
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}
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(void) unlink(sample);
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if (!rc && zero_extend_signed_to_ull(SAMPLE_SIZE) !=
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zero_extend_signed_to_ull(st[0].st_size)) {
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fprintf(stderr, "Size mismatch: "
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"requested size(%llu) != st_size(%llu)\n",
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zero_extend_signed_to_ull(SAMPLE_SIZE),
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zero_extend_signed_to_ull(st[0].st_size));
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fprintf(stderr, "The most likely reason for this is incorrect"
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" definition of %s.\n"
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"Here is some diagnostics that might help:\n",
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STRUCT_STAT_STR);
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#define LOG_STAT_OFFSETOF_SIZEOF(object, member) \
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fprintf(stderr, "offsetof(%s, %s) = %zu" \
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", sizeof(%s) = %zu\n", \
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STRUCT_STAT_STR, #member, \
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offsetof(STRUCT_STAT, member), \
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#member, sizeof((object).member))
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LOG_STAT_OFFSETOF_SIZEOF(st[0], st_dev);
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LOG_STAT_OFFSETOF_SIZEOF(st[0], st_ino);
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LOG_STAT_OFFSETOF_SIZEOF(st[0], st_mode);
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LOG_STAT_OFFSETOF_SIZEOF(st[0], st_nlink);
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LOG_STAT_OFFSETOF_SIZEOF(st[0], st_uid);
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LOG_STAT_OFFSETOF_SIZEOF(st[0], st_gid);
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LOG_STAT_OFFSETOF_SIZEOF(st[0], st_rdev);
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LOG_STAT_OFFSETOF_SIZEOF(st[0], st_size);
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# if !OLD_STAT
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LOG_STAT_OFFSETOF_SIZEOF(st[0], st_blksize);
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LOG_STAT_OFFSETOF_SIZEOF(st[0], st_blocks);
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# endif /* !OLD_STAT */
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return 1;
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}
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PRINT_SYSCALL_HEADER(sample);
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if (rc)
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printf("%p", st);
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else
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print_stat(st);
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PRINT_SYSCALL_FOOTER(rc);
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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("HAVE_FTRUNCATE && HAVE_FUTIMENS")
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#endif
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