summaryrefslogtreecommitdiff
path: root/src/misc/getdomainname.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/misc/getdomainname.c')
-rw-r--r--src/misc/getdomainname.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/src/misc/getdomainname.c b/src/misc/getdomainname.c
index 7eb113d7..59df566d 100644
--- a/src/misc/getdomainname.c
+++ b/src/misc/getdomainname.c
@@ -1,9 +1,17 @@
+#define _GNU_SOURCE
#include <unistd.h>
#include <sys/utsname.h>
#include <string.h>
+#include <errno.h>
int getdomainname(char *name, size_t len)
{
- *name = 0;
+ struct utsname temp;
+ uname(&temp);
+ if (!len || strlen(temp.domainname) >= len) {
+ errno = EINVAL;
+ return -1;
+ }
+ strcpy(name, temp.domainname);
return 0;
}