| 1 | // RUN: %clang -O0 %s -o %t && %run %t |
| 2 | |
| 3 | // XFAIL: i386-netbsd && asan |
| 4 | |
| 5 | #include <assert.h> |
| 6 | #include <fcntl.h> |
| 7 | #include <limits.h> |
| 8 | #include <stdio.h> |
| 9 | #include <string.h> |
| 10 | #include <unistd.h> |
| 11 | |
| 12 | int main(int argc, char **argv) { |
| 13 | char symlink_path[PATH_MAX]; |
| 14 | snprintf(s: symlink_path, maxlen: sizeof(symlink_path), format: "%s_%d.symlink" , argv[0], |
| 15 | getpid()); |
| 16 | remove(filename: symlink_path); |
| 17 | int res = symlink(from: argv[0], to: symlink_path); |
| 18 | assert(!res); |
| 19 | |
| 20 | char readlinkat_path[PATH_MAX]; |
| 21 | int res2 = readlinkat(AT_FDCWD, path: symlink_path, buf: readlinkat_path, |
| 22 | len: sizeof(readlinkat_path)); |
| 23 | assert(res2 >= 0); |
| 24 | readlinkat_path[res2] = '\0'; |
| 25 | assert(!strcmp(readlinkat_path, argv[0])); |
| 26 | |
| 27 | return 0; |
| 28 | } |
| 29 | |