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tests/lseek.c: cleanup

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* tests/lseek.c (main): Use errno2name, stop using assert.
This commit is contained in:
Дмитрий Левин 2016-04-21 21:01:40 +00:00
parent cd157776bd
commit 1b511d0fea
1 changed files with 13 additions and 14 deletions
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27
tests/lseek.c
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@ -41,20 +41,19 @@ main(void)
{
const kernel_ulong_t offset = (kernel_ulong_t) 0xfacefeeddeadbeefULL;
if (sizeof(offset) > sizeof(long))
assert(lseek(-1, offset, SEEK_SET) == -1);
else
assert(syscall(__NR_lseek, -1L, offset, SEEK_SET) == -1);
if (EBADF != errno)
perror_msg_and_skip("lseek");
if (sizeof(offset) > sizeof(long))
printf("lseek(-1, %lld, SEEK_SET) = -1 EBADF (%m)\n",
(long long) offset);
else
printf("lseek(-1, %ld, SEEK_SET) = -1 EBADF (%m)\n",
(long) offset);
if (sizeof(offset) > sizeof(long)) {
/*
* Cannot use syscall because it takes long arguments.
* Let's call lseek with hope it will invoke lseek syscall.
*/
long long rc = lseek(-1, offset, SEEK_SET);
printf("lseek(-1, %lld, SEEK_SET) = %lld %s (%m)\n",
(long long) offset, rc, errno2name());
} else {
long rc = syscall(__NR_lseek, -1L, offset, SEEK_SET);
printf("lseek(-1, %ld, SEEK_SET) = %ld %s (%m)\n",
(long) offset, rc, errno2name());
}
puts("+++ exited with 0 +++");
return 0;