| Viet-Trung Luu | 96b05c1 | 2016-01-11 11:26:36 -0800 | [diff] [blame] | 1 | #define _GNU_SOURCE |
| 2 | #include <unistd.h> | ||||
| 3 | #include <sys/utsname.h> | ||||
| 4 | #include <string.h> | ||||
| 5 | #include <errno.h> | ||||
| 6 | |||||
| George Kulakowski | 17e3b04 | 2016-02-18 15:59:50 -0800 | [diff] [blame] | 7 | int getdomainname(char* name, size_t len) { |
| 8 | struct utsname temp; | ||||
| 9 | uname(&temp); | ||||
| 10 | if (!len || strlen(temp.domainname) >= len) { | ||||
| 11 | errno = EINVAL; | ||||
| 12 | return -1; | ||||
| 13 | } | ||||
| 14 | strcpy(name, temp.domainname); | ||||
| 15 | return 0; | ||||
| Viet-Trung Luu | 96b05c1 | 2016-01-11 11:26:36 -0800 | [diff] [blame] | 16 | } |