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tests/time.c: use libtests

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* tests/time.c: Use SKIP_MAIN_UNDEFINED.
(main): Use perror_msg_and_skip and tail_alloc.
This commit is contained in:
Дмитрий Левин 2016-01-03 21:56:05 +00:00
parent 164e577824
commit 6a733fd461
1 changed files with 12 additions and 23 deletions
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35
tests/time.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -26,32 +26,25 @@
*/
#include "tests.h"
#include <time.h>
#include <stdio.h>
#include <stdint.h>
#include <unistd.h>
#include <sys/mman.h>
#include <sys/syscall.h>
#ifdef __NR_time
# include <time.h>
# include <stdio.h>
# include <stdint.h>
# include <unistd.h>
int
main(void)
{
const size_t page_len = sysconf(_SC_PAGESIZE);
time_t *p = tail_alloc(sizeof(time_t));
time_t t = syscall(__NR_time, p);
void *p = mmap(NULL, page_len * 2, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
if (p == MAP_FAILED || mprotect(p + page_len, page_len, PROT_NONE))
return 77;
if ((time_t) -1 == t)
perror_msg_and_skip("time");
time_t *p_t = p + page_len - sizeof(time_t);
time_t t = syscall(__NR_time, p_t);
if ((time_t) -1 == t || t != *p_t)
return 77;
printf("time([%jd]) = %jd\n", (intmax_t) t, (intmax_t) t);
printf("time([%jd]) = %jd\n", (intmax_t) *p, (intmax_t) t);
puts("+++ exited with 0 +++");
return 0;
@ -59,10 +52,6 @@ main(void)
#else
int
main(void)
{
return 77;
}
SKIP_MAIN_UNDEFINED("__NR_time")
#endif