| 1 | #include <unistd.h> |
| 2 | #include "syscall.h" |
| 3 | |
| 4 | ssize_t readlinkat(int fd, const char *restrict path, char *restrict buf, size_t bufsize) |
| 5 | { |
| 6 | char dummy[1]; |
| 7 | if (!bufsize) { |
| 8 | buf = dummy; |
| 9 | bufsize = 1; |
| 10 | } |
| 11 | int r = __syscall(SYS_readlinkat, fd, path, buf, bufsize); |
| 12 | if (buf == dummy && r > 0) r = 0; |
| 13 | return __syscall_ret(r); |
| 14 | } |