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/* Test (somewhat) stats and stat. */
#define _GNU_SOURCE
#include "config.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <assert.h>
#include <string.h>
#include <sys/syscall.h>
#ifndef HAVE_STRUCT_STATX_IN_SYS_STAT_H
#include <linux/stat.h>
#endif
#include <errno.h>
int check_stat2;
#define field(fieldname,s) s->st_##fieldname
#if defined(__NR_statx)
#define checkfield(fieldname) \
assert(!check_stat2 || stat1.st_##fieldname == stat2.stx_##fieldname)
#else
#define checkfield(fieldname) \
assert(!check_stat2 || stat1.st_##fieldname == stat2.st_##fieldname)
#endif
int main (void)
{
struct stat stat1;
memset(&stat1, 0x55, sizeof(stat1));
assert (stat ("/tmp", &stat1) == 0);
#if defined(__NR_statx)
struct statx stat2;
memset(&stat2, 0x22, sizeof(stat2));
if (syscall (__NR_statx, 0, "/tmp", 0, STATX_ALL, &stat2) == 0)
check_stat2 = 1;
else {
if (errno == ENOSYS)
check_stat2 = 0; // Defined but not provided by kernel.
else
check_stat2 = 1; // Probably better fail ...
}
#else
struct stat stat2;
check_stat2 = 1;
memset(&stat2, 0x22, sizeof(stat2));
assert (stat ("/tmp", &stat2) == 0);
#endif
checkfield(nlink);
checkfield(uid);
checkfield(gid);
checkfield(mode);
checkfield(ino);
return 0;
}
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