| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> |
| 3 | * |
| 4 | * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. |
| 5 | */ |
| 6 | |
| 7 | #include <features.h> |
| 8 | #include <stdlib.h> |
| 9 | #include <string.h> |
| 10 | #include <unistd.h> |
| 11 | #include <errno.h> |
| 12 | #include <sys/utsname.h> |
| 13 | |
| 14 | #if defined __USE_BSD || (defined __USE_XOPEN && !defined __USE_UNIX98) |
| 15 | |
| 16 | int |
| 17 | #ifndef __UCLIBC_BSD_SPECIFIC__ |
| 18 | attribute_hidden |
| 19 | #endif |
| 20 | getdomainname(char *name, size_t len) |
| 21 | { |
| 22 | struct utsname uts; |
| 23 | |
| 24 | if (name == NULL) { |
| 25 | __set_errno(EINVAL); |
| 26 | return -1; |
| 27 | } |
| 28 | |
| 29 | if (uname(&uts) == -1) return -1; |
| 30 | |
| 31 | #ifdef __USE_GNU |
| 32 | if (strlen(uts.domainname)+1 > len) { |
| 33 | #else |
| 34 | if (strlen(uts.__domainname)+1 > len) { |
| 35 | #endif |
| 36 | __set_errno(EINVAL); |
| 37 | return -1; |
| 38 | } |
| 39 | #ifdef __USE_GNU |
| 40 | strcpy(name, uts.domainname); |
| 41 | #else |
| 42 | strcpy(name, uts.__domainname); |
| 43 | #endif |
| 44 | return 0; |
| 45 | } |
| 46 | # ifdef __UCLIBC_BSD_SPECIFIC__ |
| 47 | libc_hidden_def(getdomainname) |
| 48 | # endif |
| 49 | #endif |