1 #include "tests.h" 2 #include <asm/unistd.h> 3 4 #ifdef __NR_linkat 5 6 # include <stdio.h> 7 # include <unistd.h> 8 9 int 10 main(void) 11 { 12 static const char sample_1[] = "linkat_sample_old"; 13 static const char sample_2[] = "linkat_sample_new"; 14 const long fd_old = (long) 0xdeadbeefffffffffULL; 15 const long fd_new = (long) 0xdeadbeeffffffffeULL; 16 17 long rc = syscall(__NR_linkat, fd_old, sample_1, fd_new, sample_2, 0); 18 printf("linkat(%d, \"%s\", %d, \"%s\", 0) = %ld %s (%m)\n", 19 (int) fd_old, sample_1, (int) fd_new, sample_2, 20 rc, errno2name()); 21 22 rc = syscall(__NR_linkat, -100, sample_1, -100, sample_2, -1L); 23 printf("linkat(%s, \"%s\", %s, \"%s\", %s) = %ld %s (%m)\n", 24 "AT_FDCWD", sample_1, "AT_FDCWD", sample_2, 25 "AT_SYMLINK_NOFOLLOW|AT_REMOVEDIR|AT_SYMLINK_FOLLOW" 26 "|AT_NO_AUTOMOUNT|AT_EMPTY_PATH|0xffffe0ff", 27 rc, errno2name()); 28 29 puts("+++ exited with 0 +++"); 30 return 0; 31 } 32 33 #else 34 35 SKIP_MAIN_UNDEFINED("__NR_linkat") 36 37 #endif 38
