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 | |